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learn02

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awin-x 2024-12-07 19:53:28 +08:00
parent 5425534b38
commit 63b67ae57f
59 changed files with 2281 additions and 27 deletions
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9
.idea/artifacts/learn02_war_exploded.xml
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@ -2,12 +2,19 @@
<artifact type="exploded-war" name="learn02:war exploded"> <artifact type="exploded-war" name="learn02:war exploded">
<output-path>$PROJECT_DIR$/out/artifacts/learn02_war_exploded</output-path> <output-path>$PROJECT_DIR$/out/artifacts/learn02_war_exploded</output-path>
<root id="root"> <root id="root">
<element id="javaee-facet-resources" facet="learn02/web/Web" />
<element id="directory" name="WEB-INF"> <element id="directory" name="WEB-INF">
<element id="directory" name="classes"> <element id="directory" name="classes">
<element id="module-output" name="learn02" /> <element id="module-output" name="learn02" />
</element> </element>
<element id="directory" name="lib">
<element id="library" level="project" name="mysql-connector" />
<element id="library" level="project" name="sqlite-jdbc-3.47.0.0" />
<element id="library" level="project" name="commons-pool2-2.9.0" />
<element id="library" level="project" name="commons-logging-1.3.4" />
<element id="library" level="project" name="commons-dbcp2-2.9.0" />
</element>
</element> </element>
<element id="javaee-facet-resources" facet="learn02/web/Web" />
</root> </root>
</artifact> </artifact>
</component> </component>

20
.idea/artifacts/learn02_war_exploded2.xml
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@ -1,20 +0,0 @@
<component name="ArtifactManager">
<artifact type="exploded-war" name="learn02:war exploded2">
<output-path>$PROJECT_DIR$/out/artifacts/learn02_war_exploded2</output-path>
<root id="root">
<element id="directory" name="WEB-INF">
<element id="directory" name="classes">
<element id="module-output" name="learn02" />
</element>
<element id="directory" name="lib">
<element id="library" level="project" name="mysql-connector" />
<element id="library" level="project" name="sqlite-jdbc-3.47.0.0" />
<element id="library" level="project" name="commons-pool2-2.9.0" />
<element id="library" level="project" name="commons-logging-1.3.4" />
<element id="library" level="project" name="commons-dbcp2-2.9.0" />
</element>
</element>
<element id="javaee-facet-resources" facet="learn02/web/Web" />
</root>
</artifact>
</component>

8
.idea/compiler.xml
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@ -3,6 +3,14 @@
<component name="CompilerConfiguration"> <component name="CompilerConfiguration">
<annotationProcessing> <annotationProcessing>
<profile default="true" name="Default" enabled="true" /> <profile default="true" name="Default" enabled="true" />
<profile name="Maven default annotation processors profile" enabled="true">
<sourceOutputDir name="target/generated-sources/annotations" />
<sourceTestOutputDir name="target/generated-test-sources/test-annotations" />
<outputRelativeToContentRoot value="true" />
</profile>
</annotationProcessing> </annotationProcessing>
<bytecodeTargetLevel target="21">
<module name="learn03" target="21" />
</bytecodeTargetLevel>
</component> </component>
</project> </project>

4
.idea/encodings.xml
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@ -2,6 +2,10 @@
<project version="4"> <project version="4">
<component name="Encoding" defaultCharsetForPropertiesFiles="GBK"> <component name="Encoding" defaultCharsetForPropertiesFiles="GBK">
<file url="file://$PROJECT_DIR$/.gitignore" charset="UTF-8" /> <file url="file://$PROJECT_DIR$/.gitignore" charset="UTF-8" />
<file url="file://$PROJECT_DIR$/learn02/web/js/course-edit.js" charset="UTF-8" />
<file url="file://$PROJECT_DIR$/learn02/web/js/index.js" charset="UTF-8" />
<file url="file://$PROJECT_DIR$/learn03/src/main/java" charset="GBK" />
<file url="file://$PROJECT_DIR$/learn03/src/main/resources" charset="GBK" />
<file url="file://$PROJECT_DIR$/learn1/web/js/course-edit.js" charset="UTF-8" /> <file url="file://$PROJECT_DIR$/learn1/web/js/course-edit.js" charset="UTF-8" />
<file url="file://$PROJECT_DIR$/learn1/web/js/index.js" charset="UTF-8" /> <file url="file://$PROJECT_DIR$/learn1/web/js/index.js" charset="UTF-8" />
<file url="PROJECT" charset="GBK" /> <file url="PROJECT" charset="GBK" />

10
.idea/inspectionProfiles/Project_Default.xml
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@ -4,6 +4,16 @@
<inspection_tool class="AutoCloseableResource" enabled="true" level="WARNING" enabled_by_default="true"> <inspection_tool class="AutoCloseableResource" enabled="true" level="WARNING" enabled_by_default="true">
<option name="METHOD_MATCHER_CONFIG" value="java.util.Formatter,format,java.io.Writer,append,com.google.common.base.Preconditions,checkNotNull,org.hibernate.Session,close,java.io.PrintWriter,printf,java.io.PrintStream,printf,java.sql.Connection,prepareStatement,java.lang.ClassLoader,getResourceAsStream,org.apache.commons.dbcp2.BasicDataSourceFactory,createDataSource" /> <option name="METHOD_MATCHER_CONFIG" value="java.util.Formatter,format,java.io.Writer,append,com.google.common.base.Preconditions,checkNotNull,org.hibernate.Session,close,java.io.PrintWriter,printf,java.io.PrintStream,printf,java.sql.Connection,prepareStatement,java.lang.ClassLoader,getResourceAsStream,org.apache.commons.dbcp2.BasicDataSourceFactory,createDataSource" />
</inspection_tool> </inspection_tool>
<inspection_tool class="HtmlUnknownAttribute" enabled="true" level="WARNING" enabled_by_default="true">
<option name="myValues">
<value>
<list size="1">
<item index="0" class="java.lang.String" itemvalue="v-model" />
</list>
</value>
</option>
<option name="myCustomValuesEnabled" value="true" />
</inspection_tool>
<inspection_tool class="ThrowablePrintStackTrace" enabled="false" level="WARNING" enabled_by_default="false" /> <inspection_tool class="ThrowablePrintStackTrace" enabled="false" level="WARNING" enabled_by_default="false" />
</profile> </profile>
</component> </component>

20
.idea/jarRepositories.xml Normal file
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@ -0,0 +1,20 @@
<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="RemoteRepositoriesConfiguration">
<remote-repository>
<option name="id" value="central" />
<option name="name" value="Central Repository" />
<option name="url" value="http://maven.aliyun.com/nexus/content/groups/public/" />
</remote-repository>
<remote-repository>
<option name="id" value="central" />
<option name="name" value="Maven Central repository" />
<option name="url" value="https://repo1.maven.org/maven2" />
</remote-repository>
<remote-repository>
<option name="id" value="jboss.community" />
<option name="name" value="JBoss Community repository" />
<option name="url" value="https://repository.jboss.org/nexus/content/repositories/public/" />
</remote-repository>
</component>
</project>

14
.idea/misc.xml
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@ -1,5 +1,19 @@
<?xml version="1.0" encoding="UTF-8"?> <?xml version="1.0" encoding="UTF-8"?>
<project version="4"> <project version="4">
<component name="ExternalStorageConfigurationManager" enabled="true" />
<component name="MavenProjectsManager">
<option name="originalFiles">
<list>
<option value="$PROJECT_DIR$/learn03/pom.xml" />
<option value="$PROJECT_DIR$/learn03-springboot/pom.xml" />
</list>
</option>
<option name="ignoredFiles">
<set>
<option value="$PROJECT_DIR$/learn03/pom.xml" />
</set>
</option>
</component>
<component name="ProjectRootManager" version="2" languageLevel="JDK_21" default="true" project-jdk-name="temurin-21" project-jdk-type="JavaSDK"> <component name="ProjectRootManager" version="2" languageLevel="JDK_21" default="true" project-jdk-name="temurin-21" project-jdk-type="JavaSDK">
<output url="file://$PROJECT_DIR$/out" /> <output url="file://$PROJECT_DIR$/out" />
</component> </component>

7
learn02/learn02.iml
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@ -19,5 +19,12 @@
</content> </content>
<orderEntry type="inheritedJdk" /> <orderEntry type="inheritedJdk" />
<orderEntry type="sourceFolder" forTests="false" /> <orderEntry type="sourceFolder" forTests="false" />
<orderEntry type="library" name="commons-dbcp2-2.9.0" level="project" />
<orderEntry type="library" name="commons-logging-1.3.4" level="project" />
<orderEntry type="library" name="commons-pool2-2.9.0" level="project" />
<orderEntry type="library" name="mysql-connector" level="project" />
<orderEntry type="library" name="sqlite-jdbc-3.47.0.0" level="project" />
<orderEntry type="library" name="lombok" level="project" />
<orderEntry type="library" name="Tomcat 10.1.31" level="application_server_libraries" />
</component> </component>
</module> </module>

84
learn02/src/common/DBTool.java Normal file
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@ -0,0 +1,84 @@
package common;
import org.apache.commons.dbcp2.BasicDataSourceFactory;
import javax.sql.DataSource;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.Properties;
/**
* 这是一个数据库工具类，创建了一个数据库连接池
* 需要在database.properties中配置数据库连接属性
* @author Awin-x
*/
public class DBTool {
static DataSource ds;
static{
Properties prop = new Properties();
try {
InputStream database_info = DBTool.class.getClassLoader().getResourceAsStream("database.properties");
if (database_info != null) {
prop.load(new InputStreamReader(database_info, "GBK"));
prop.list(System.out);
}else{
throw new FileNotFoundException("database.properties file does not exist in the classpath");
}
} catch (IOException e) {
System.out.println("数据库配置加载失败！");
throw new RuntimeException(e);
}
try {
ds = BasicDataSourceFactory.createDataSource(prop);
} catch (Exception e) {
System.out.println("数据库连接池初始化失败");
throw new RuntimeException(e);
}
}
public static Connection getConnection(){
try{
return ds.getConnection();
} catch (SQLException e) {
e.printStackTrace();
return null;
}
}
public static PreparedStatement getPreparedStatement(String sql) throws SQLException{
//noinspection SqlSourceToSinkFlow
return ds.getConnection().prepareStatement(sql);
}
public static void close(Connection conn, PreparedStatement ps, ResultSet rs){
try{
if(rs != null){
rs.close();
}
if(ps != null){
ps.close();
}
if(conn != null){
conn.close();
}
} catch (SQLException e) {
System.out.println("关闭失败");
e.printStackTrace();
}
}
public static void close(PreparedStatement ps, ResultSet rs) throws SQLException {
close(ps.getConnection(), ps, rs);
}
public static void close(PreparedStatement ps) throws SQLException {
close(ps.getConnection(), ps, null);
}
}

25
learn02/src/controller/BaseController.java Normal file
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@ -0,0 +1,25 @@
package controller;
import jakarta.servlet.http.HttpServlet;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
public class BaseController extends HttpServlet {
protected void service(HttpServletRequest req, HttpServletResponse resp){
resp.addHeader( "Access-Control-Allow-Origin","*");
String uri = req.getRequestURI();
uri = uri.substring(uri.lastIndexOf("/")+1);
//使用反射获取方法来执行
try {
Method method = this.getClass().getDeclaredMethod(uri, HttpServletRequest.class, HttpServletResponse.class);
method.setAccessible(true);
method.invoke(this, req, resp);
} catch (IllegalAccessException | InvocationTargetException | NoSuchMethodException e) {
throw new RuntimeException(e);
}
}
}

106
learn02/src/controller/CourseController.java Normal file
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@ -0,0 +1,106 @@
package controller;
import dao.impl.CourseDBImpl;
import jakarta.servlet.annotation.WebServlet;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;
import pojo.CourseInfo;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;
@WebServlet("/courseAction/*")
public class CourseController extends BaseController {
private void list(HttpServletRequest req, HttpServletResponse resp) throws IOException {
resp.setContentType("application/json;charset=UTF-8");
PrintWriter out = resp.getWriter();
int page = req.getParameter("page") == null ? 1 : Integer.parseInt(req.getParameter("page"));
int pageSize = req.getParameter("pageSize") == null ? 10 : Integer.parseInt(req.getParameter("pageSize"));
String keyword = req.getParameter("keyword");
int courseType = req.getParameter("courseType").isEmpty() ? 0 : Integer.parseInt(req.getParameter("courseType"));
ArrayList<CourseInfo> course_list = new CourseDBImpl().getCourseInfos(page, pageSize, keyword, courseType);
StringBuilder data = new StringBuilder();
for (CourseInfo course : course_list) {
data.append(course.toJSON()).append(",");
}
if (!data.isEmpty()) {
data.setLength(data.length() - 1);
}
String json = "{\"total\":" + new CourseDBImpl().getAllCourseInfoCount(keyword, courseType) +
",\"data\":[" +
data +
"],\"page\":" +
page +
",\"pageSize\":" +
pageSize +
",\"success\":true}";
out.print(json);
}
private void update(HttpServletRequest req, HttpServletResponse resp) throws IOException {
resp.setContentType("application/json;charset=UTF-8");
PrintWriter out = resp.getWriter();
if (req.getParameter("id") == null) {
out.println("{\"success\":false}\"}");
return;
}
int id = Integer.parseInt(req.getParameter("id"));
CourseInfo course = new CourseDBImpl().getCourseInfoByID(id);
if (course == null) {
out.println("{\"success\":false}\"}");
return;
}
String name = req.getParameter("name");
int type = Integer.parseInt(req.getParameter("type"));
float credit = Float.parseFloat(req.getParameter("credit"));
int grade = Integer.parseInt(req.getParameter("grade"));
int major = Integer.parseInt(req.getParameter("major"));
String detail = req.getParameter("detail");
course.setName(name);
course.setType(type);
course.setCredit(credit);
course.setGrade(grade);
course.setMajor(major);
course.setDetail(detail);
if (new CourseDBImpl().updateCourseInfo(course) >= 1) {
out.println("{\"success\":true}");
} else {
out.println("{\"success\":false}");
}
}
private void delete(HttpServletRequest req, HttpServletResponse resp) throws IOException {
int id = Integer.parseInt(req.getParameter("id"));
resp.setContentType("application/json;charset=UTF-8");
PrintWriter out = resp.getWriter();
if (new CourseDBImpl().deleteCourseInfo(id) >= 1) {
out.print("{\"success\": true}");
} else {
out.print("{\"success\": false}");
}
}
private void add(HttpServletRequest req, HttpServletResponse resp) throws IOException {
resp.setContentType("application/json;charset=UTF-8");
PrintWriter out = resp.getWriter();
if (req.getParameter("id") == null) {
out.println("{\"success\":false}\"}");
return;
}
int id = Integer.parseInt(req.getParameter("id"));
CourseInfo course = new CourseInfo();
course.setName(req.getParameter("name"));
course.setType(Integer.parseInt(req.getParameter("type")));
course.setCredit(Float.parseFloat(req.getParameter("credit")));
course.setGrade(Integer.parseInt(req.getParameter("grade")));
course.setMajor(Integer.parseInt(req.getParameter("major")));
course.setDetail(req.getParameter("detail"));
if (new CourseDBImpl().addCourseInfo(course) >= 1) {
out.println("{\"success\": true}");
}else{
out.println("{\"success\": false}");
}
}
}

13
learn02/src/controller/ScoreController.java Normal file
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@ -0,0 +1,13 @@
package controller;
import jakarta.servlet.ServletException;
import jakarta.servlet.annotation.WebServlet;
import jakarta.servlet.http.HttpServlet;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;
import java.io.IOException;
@WebServlet("/scoreAction/*")
public class ScoreController extends BaseController {
}

22
learn02/src/controller/StudentController.java Normal file
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@ -0,0 +1,22 @@
package controller;
import dao.TeacherDB;
import jakarta.servlet.annotation.WebServlet;
import jakarta.servlet.http.HttpServlet;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;
import pojo.TeacherInfo;
import java.util.ArrayList;
@WebServlet("/studentAction/*")
public class StudentController extends BaseController {
private void list(HttpServletRequest req, HttpServletResponse resp) {
String path = req.getContextPath();
if (req.getSession().getAttribute("user") == null){
resp.setStatus(403);
return;
}
ArrayList<TeacherInfo> teachers;
}
}

12
learn02/src/controller/TeacherController.java Normal file
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@ -0,0 +1,12 @@
package controller;
import jakarta.servlet.annotation.WebServlet;
import jakarta.servlet.http.HttpServlet;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;
import java.lang.reflect.InvocationTargetException;
@WebServlet("/teacherAction/*")
public class TeacherController extends BaseController {
}

43
learn02/src/controller/UserController.java Normal file
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@ -0,0 +1,43 @@
package controller;
import dao.impl.UserDBImpl;
import jakarta.servlet.annotation.WebServlet;
import jakarta.servlet.http.HttpServlet;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;
import pojo.UserInfo;
import java.io.IOException;
import java.lang.reflect.InvocationTargetException;
@WebServlet("/userAction/*")
public class UserController extends BaseController {
protected void login(HttpServletRequest req, HttpServletResponse resp) throws IOException {
System.out.println("怬");
String path = req.getContextPath();
if (req.getSession().getAttribute("user") != null){
resp.sendRedirect(path+"/home.jsp");
}
String username = req.getParameter("username");
String password = req.getParameter("password");
UserInfo user = new UserDBImpl().getUserByName(username);
if(user == null) {
resp.sendRedirect(path+"/login/login.jsp&loginflag=1");
}else if (user.getPass().equals(password)) {
req.getSession().setAttribute("user", user);
resp.sendRedirect(path+"/home.jsp");
}else{
resp.sendRedirect(path+"/login/login.jsp&loginflag=2");
}
}
protected void logout(HttpServletRequest req, HttpServletResponse resp) throws IOException {
System.out.println("×¢Ïú");
String username = req.getParameter("username");
UserInfo user = (UserInfo)req.getSession().getAttribute("user");
if(user != null) {
req.getSession().removeAttribute("user");
}
String path = req.getContextPath();
resp.sendRedirect(path+"/login/login.jsp");
}
}

65
learn02/src/dao/CourseDB.java Normal file
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@ -0,0 +1,65 @@
package dao;
import pojo.CourseInfo;
import java.util.ArrayList;
public interface CourseDB {
/**
* 用于列出全部课程
* @return 返回从数据库中查询到的全部课程
*/
ArrayList<CourseInfo> getAllCourseInfo();
/**
* 用于分页列出筛选课程
* @param page 页码
* @param pageSize 每页条数
* @param keyword 关键词筛选，为空字符串表示不筛选
* @param type 类型筛选，为0表示不筛选
* @return 返回从数据库查询到的该页课程
*/
ArrayList<CourseInfo> getCourseInfos(int page, int pageSize, String keyword, int type);
/**
* 用于获取一个课程
* @param id 目标课程的id
* @return 根据id从数据库查询到的课程信息
*/
CourseInfo getCourseInfoByID(int id);
/**
* 用于获取课程总数
* @return 返回数据库中课程信息条数
*/
int getAllCourseInfoCount();
/**
* 获取一个课程筛选结果集的总数
* @param keyword 关键词筛选，为空字符串表示不筛选
* @param type 类型筛选，为0表示不筛选
* @return 课程筛选结果集的总数
*/
int getAllCourseInfoCount(String keyword, int type);
/**
* 用于添加课程
* @param courseInfo 要添加的课程
* @return 影响数据库行数，行数大于0则说明添加成功
*/
int addCourseInfo(CourseInfo courseInfo);
/**
* 用于更新一个课程信息
* @param courseInfo 修改的课程信息，id不可修改，id作为修改目标查找参数
* @return 影响的行数，行数大于0则说明更新成功
*/
int updateCourseInfo(CourseInfo courseInfo);
/**
* 用于删除一个课程
* @param id 要删除的课程的id
* @return 影响的行数，行数大于0则说明更新成功
*/
int deleteCourseInfo(int id);
}

15
learn02/src/dao/ScoreDB.java Normal file
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@ -0,0 +1,15 @@
package dao;
import pojo.ScoreInfo;
import java.util.ArrayList;
public interface ScoreDB {
ScoreInfo getScoreInfoByID(int studentID, int courseID);
ArrayList<ScoreInfo> getScoreInfoByStudentID(int studentID);
ArrayList<ScoreInfo> getScoreInfoByCourseID(int courseID);
int getScoreByStudentID(int studentID);
int addScoreInfo(ScoreInfo scoreInfo);
int updateScoreInfo(ScoreInfo scoreInfo);
int deleteScoreInfo(int studentID, int courseID);
}

15
learn02/src/dao/StudentDB.java Normal file
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@ -0,0 +1,15 @@
package dao;
import pojo.StudentInfo;
import java.util.ArrayList;
public interface StudentDB {
ArrayList<StudentInfo> getAllStudentInfo();
StudentInfo getStudentInfoByID(int id);
StudentInfo getStudentInfoByName(String name);
StudentInfo getStudentInfoByCode(String code);
int addStudentInfo(StudentInfo studentInfo);
int updateStudentInfo(StudentInfo studentInfo);
int deleteStudentInfo(int id);
}

14
learn02/src/dao/TeacherDB.java Normal file
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@ -0,0 +1,14 @@
package dao;
import pojo.TeacherInfo;
import java.util.ArrayList;
public interface TeacherDB {
ArrayList<TeacherInfo> getAllTeacherInfo();
TeacherInfo getTeacherInfoByID(int id);
TeacherInfo getTeacherInfoByName(String name);
int addTeacherInfo(TeacherInfo teacherInfo);
int updateTeacherInfo(TeacherInfo teacherInfo);
int deleteTeacherInfo(int id);
}

11
learn02/src/dao/UserDB.java Normal file
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@ -0,0 +1,11 @@
package dao;
import pojo.UserInfo;
public interface UserDB {
UserInfo getUserByName(String username);
UserInfo getUserById(int id);
int addUser(UserInfo user);
int updateUser(UserInfo user);
int deleteUser(int id);
}

177
learn02/src/dao/impl/CourseDBImpl.java Normal file
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@ -0,0 +1,177 @@
package dao.impl;
import common.DBTool;
import dao.CourseDB;
import pojo.CourseInfo;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.ArrayList;
public class CourseDBImpl implements CourseDB {
private CourseInfo fillCourseInfo(ResultSet rs) throws SQLException {
CourseInfo courseInfo = new CourseInfo();
courseInfo.setId(rs.getInt("N_COURSE_ID"));
courseInfo.setName(rs.getString("VC_COURSE_NAME"));
courseInfo.setType(rs.getInt("N_TYPE"));
courseInfo.setCredit(rs.getFloat("F_CREDIT"));
courseInfo.setGrade(rs.getInt("N_GRADE"));
courseInfo.setMajor(rs.getInt("N_MAJOR"));
courseInfo.setDetail(rs.getString("VC_DETAIL"));
return courseInfo;
}
@Override
public ArrayList<CourseInfo> getAllCourseInfo() {
ArrayList<CourseInfo> courseList = new ArrayList<>();
try {
PreparedStatement ps = DBTool.getPreparedStatement("SELECT * FROM t_course");
ResultSet rs = ps.executeQuery();
while (rs.next()) {
courseList.add(fillCourseInfo(rs));
}
DBTool.close(ps, rs);
} catch (SQLException e) {
throw new RuntimeException(e);
}
return courseList;
}
@Override
public ArrayList<CourseInfo> getCourseInfos(int page, int pageSize, String keyword, int type) {
ArrayList<CourseInfo> courseList = new ArrayList<>();
String sql = "SELECT * FROM t_course WHERE UPPER(VC_COURSE_NAME) LIKE ? AND ? IN (N_TYPE, 0) ORDER BY N_COURSE_ID LIMIT ?, ?";
try {
PreparedStatement ps = DBTool.getPreparedStatement(sql);
ps.setString(1, "%"+keyword.toUpperCase()+"%");
ps.setInt(2, type);
ps.setInt(3, (page - 1) * pageSize);
ps.setInt(4, pageSize);
ResultSet rs = ps.executeQuery();
while (rs.next()) {
courseList.add(fillCourseInfo(rs));
}
DBTool.close(ps, rs);
} catch (SQLException e) {
throw new RuntimeException(e);
}
return courseList;
}
@Override
public CourseInfo getCourseInfoByID(int id) {
CourseInfo courseInfo = null;
try {
PreparedStatement ps = DBTool.getPreparedStatement("select * from t_course WHERE N_COURSE_ID = ?");
ps.setInt(1, id);
ResultSet rs = ps.executeQuery();
while (rs.next()) {
String name = rs.getString("VC_COURSE_NAME");
int type = rs.getInt("N_TYPE");
float credits = rs.getFloat("F_CREDIT");
int grade = rs.getInt("N_GRADE");
int major = rs.getInt("N_MAJOR");
String detail = rs.getString("VC_DETAIL");
courseInfo = new CourseInfo(id, name, type, credits, grade, major, detail);
}
DBTool.close(ps, rs);
} catch (SQLException e) {
throw new RuntimeException(e);
}
return courseInfo;
}
@Override
public int getAllCourseInfoCount() {
int count = 0;
String sql = "SELECT COUNT(*) FROM t_course";
try {
PreparedStatement ps = DBTool.getPreparedStatement(sql);
ResultSet rs = ps.executeQuery();
if (rs.next()) {
count = rs.getInt(1);
}
DBTool.close(ps, rs);
} catch (SQLException e) {
return -1;
}
return count;
}
@Override
public int getAllCourseInfoCount(String keyword, int type) {
int count = 0;
String sql = "SELECT COUNT(*) FROM t_course WHERE UPPER(VC_COURSE_NAME) LIKE ? AND ? IN (N_TYPE, 0)";
try {
PreparedStatement ps = DBTool.getPreparedStatement(sql);
ps.setString(1, "%"+keyword.toUpperCase()+"%");
ps.setInt(2, type);
ResultSet rs = ps.executeQuery();
if (rs.next()) {
count = rs.getInt(1);
}
DBTool.close(ps, rs);
} catch (SQLException e) {
return -1;
}
return count;
}
@Override
public int addCourseInfo(CourseInfo courseInfo) {
int lines;
try {
String sql = "INSERT INTO t_course (VC_COURSE_NAME, N_TYPE, F_CREDIT, N_GRADE, N_MAJOR, VC_DETAIL) VALUES(?, ?, ?, ?, ?, ?)";
PreparedStatement ps = DBTool.getPreparedStatement(sql);
ps.setString(1, courseInfo.getName());
ps.setInt(2, courseInfo.getType());
ps.setFloat(3, courseInfo.getCredit());
ps.setInt(4, courseInfo.getGrade());
ps.setInt(5, courseInfo.getMajor());
ps.setString(6, courseInfo.getDetail());
lines = ps.executeUpdate();
DBTool.close(ps);
} catch (SQLException e) {
throw new RuntimeException(e);
}
return lines;
}
@Override
public int updateCourseInfo(CourseInfo courseInfo) {
int lines;
try {
PreparedStatement ps = DBTool.getPreparedStatement("UPDATE t_course SET VC_COURSE_NAME = ?," +
" N_TYPE = ?, F_CREDIT = ?, N_GRADE = ?, N_MAJOR = ?, VC_DETAIL = ? WHERE N_COURSE_ID = ?");
ps.setString(1, courseInfo.getName());
ps.setInt(2, courseInfo.getType());
ps.setFloat(3, courseInfo.getCredit());
ps.setInt(4, courseInfo.getGrade());
ps.setInt(5, courseInfo.getMajor());
ps.setString(6, courseInfo.getDetail());
ps.setInt(7, courseInfo.getId());
lines = ps.executeUpdate();
DBTool.close(ps);
} catch (SQLException e) {
throw new RuntimeException(e);
}
return lines;
}
@Override
public int deleteCourseInfo(int id) {
int lines;
try {
String sql = "DELETE FROM t_course WHERE N_COURSE_ID = ?";
PreparedStatement ps = DBTool.getPreparedStatement(sql);
ps.setInt(1, id);
lines = ps.executeUpdate();
DBTool.close(ps);
} catch (SQLException e) {
throw new RuntimeException(e);
}
return lines;
}
}

60
learn02/src/dao/impl/TeacherDBImpl.java Normal file
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package dao.impl;
import common.DBTool;
import dao.TeacherDB;
import pojo.TeacherInfo;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.ArrayList;
public class TeacherDBImpl implements TeacherDB {
@Override
public ArrayList<TeacherInfo> getAllTeacherInfo() {
ArrayList<TeacherInfo> teacherInfos = new ArrayList<>();
String sql = "select * from t_teacher";
try{
PreparedStatement ps = DBTool.getPreparedStatement(sql);
ResultSet rs = ps.executeQuery();
while(rs.next()){
TeacherInfo teacherInfo = new TeacherInfo();
teacherInfo.setId(rs.getInt("N_TEACHER_ID"));
teacherInfo.setName(rs.getString("VC_TEACHER_NAME"));
teacherInfo.setSex(rs.getInt("N_SEX"));
teacherInfo.setBrith(rs.getString("VC_BIRTH"));
teacherInfo.setEduc(rs.getInt("N_EDUC"));
teacherInfo.setTitle(rs.getInt("N_TITLE"));
teacherInfos.add(teacherInfo);
}
} catch (SQLException e) {
throw new RuntimeException(e);
}
return teacherInfos;
}
@Override
public TeacherInfo getTeacherInfoByID(int id) {
return null;
}
@Override
public TeacherInfo getTeacherInfoByName(String name) {
return null;
}
@Override
public int addTeacherInfo(TeacherInfo teacherInfo) {
return 0;
}
@Override
public int updateTeacherInfo(TeacherInfo teacherInfo) {
return 0;
}
@Override
public int deleteTeacherInfo(int id) {
return 0;
}
}

103
learn02/src/dao/impl/UserDBImpl.java Normal file
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package dao.impl;
import common.DBTool;
import dao.UserDB;
import pojo.UserInfo;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
public class UserDBImpl implements UserDB {
@Override
public UserInfo getUserByName(String username) {
UserInfo u = new UserInfo();
ResultSet rs = null;
try{
String sql = "select * from t_user where VC_LOGIN_NAME = ?";
PreparedStatement ps = DBTool.getPreparedStatement(sql);
ps.setString(1, username);
rs = ps.executeQuery();
if(rs.next()) {
u.setId(rs.getInt("N_USER_ID"));
u.setName(rs.getString("VC_LOGIN_NAME"));
u.setPass(rs.getString("VC_PASSWORD"));
}else{
u = null;
}
DBTool.close(ps, rs);
} catch (SQLException e) {
throw new RuntimeException(e);
}
return u;
}
@Override
public UserInfo getUserById(int id) {
UserInfo u = new UserInfo();
ResultSet rs = null;
try{
String sql = "select * from t_user where N_USER_ID = ?";
PreparedStatement ps = DBTool.getPreparedStatement(sql);
ps.setInt(1, id);
rs = ps.executeQuery();
if(rs.next()) {
u.setId(rs.getInt("N_USER_ID"));
u.setName(rs.getString("VC_LOGIN_NAME"));
u.setPass(rs.getString("VC_PASSWORD"));
}else{
u = null;
}
DBTool.close(ps, rs);
} catch (SQLException e) {
throw new RuntimeException(e);
}
return u;
}
@Override
public int addUser(UserInfo user) {
int lines = 0;
String sql = "INSERT INTO t_user (VC_LOGIN_NAME, VC_PASSWORD) VALUES (?, ?)";
try{
PreparedStatement ps = DBTool.getPreparedStatement(sql);
ps.setString(1, user.getName());
ps.setString(2, user.getPass());
lines = ps.executeUpdate();
} catch (SQLException e) {
throw new RuntimeException(e);
}
return lines;
}
@Override
public int updateUser(UserInfo user) {
int lines = 0;
String sql = "UPDATE t_user SET VC_PASSWORD = ?,VC_LOGIN_NAME = ? WHERE N_USER_ID = ?";
try{
PreparedStatement ps = DBTool.getPreparedStatement(sql);
ps.setString(1, user.getPass());
ps.setString(2, user.getName());
ps.setInt(3, user.getId());
lines = ps.executeUpdate();
} catch (SQLException e) {
throw new RuntimeException(e);
}
return lines;
}
@Override
public int deleteUser(int id) {
int lines = 0;
String sql = "DELETE FROM t_user WHERE N_USER_ID = ?";
try{
PreparedStatement ps = DBTool.getPreparedStatement(sql);
ps.setInt(1, id);
lines = ps.executeUpdate();
} catch (SQLException e) {
throw new RuntimeException(e);
}
return 0;
}
}

41
learn02/src/database.properties Normal file
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#--------------------------------------------------------------------------------------------------
#DriverClassName=com.mysql.cj.jdbc.Driver
#url=jdbc:mysql://10.19.38.253:3306/chat?useUnicode=true&characterEncoding=utf-8&useSSL=true
#username=admin
#password=1227496003131313xY
#--------------------------------------------------------------------------------------------------
driverClassName=org.sqlite.JDBC
url=jdbc:sqlite:F:\\Work_Area\\desk\\database\\ѧϰ\\java²âÊÔÊý¾Ý¿â\\db_student.db
#--------------------------------------------------------------------------------------------------
defaultAutoCommit=true
defaultReadOnly=false
initialSize=10
maxActive=20
maxIdle=20
minIdle=5
maxWait=10000
testOnBorrow=true
testOnReturn=false
validationQuery=select 1
validationQueryTimeout=1
testWhileIdle=false
timeBetweenEvictionRunsMillis=1
numTestsPerEvictionRun=3
poolPreparedStatements=true
maxOpenPreparedStatements=3

17
learn02/src/filters/GlobalFilter.java Normal file
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package filters;
import jakarta.servlet.*;
import jakarta.servlet.annotation.WebFilter;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;
import java.io.IOException;
public class GlobalFilter implements Filter {
@Override
public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain) throws IOException, ServletException {
filterChain.doFilter(servletRequest, servletResponse);
}
}

33
learn02/src/pojo/CourseInfo.java Normal file
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package pojo;
import lombok.*;
@AllArgsConstructor
@ToString
@NoArgsConstructor
@Data
public class CourseInfo {
private int id;
private String name;
private int type;
private float credit;
private int grade;
private int major;
private String detail;
public String toJSON(){
String json="{";
json += "\"id\":"+id+",";
json += "\"name\":\""+name+"\",";
json += "\"type\":"+type+",";
json += "\"credit\":"+credit+",";
json += "\"grade\":"+grade+",";
json += "\"major\":"+major+",";
json += "\"detail\":\""+detail+"\"";
json += "}";
return json;
}
}

25
learn02/src/pojo/ScoreInfo.java Normal file
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package pojo;
import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;
import lombok.ToString;
@Data
@AllArgsConstructor
@NoArgsConstructor
@ToString
public class ScoreInfo {
private int studentId;
private int courseId;
private float score;
public String toJSON(){
String json = "{";
json += "\"studentId\":" + studentId + ",";
json += "\"courseId\":" + courseId + ",";
json += "\"score\":" + score + ",";
return json + "}";
}
}

32
learn02/src/pojo/StudentInfo.java Normal file
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package pojo;
import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;
import lombok.ToString;
@Data
@AllArgsConstructor
@NoArgsConstructor
@ToString
public class StudentInfo {
private int id;
private String code;
private String name;
private int sex;
private int grade;
private String major;
private String detail;
public String toJSON(){
String json = "{";
json += "\"id\":" + id + ",";
json += "\"code\":" + code + ",";
json += "\"name\":" + name + ",";
json += "\"sex\":" + sex + ",";
json += "\"grade\":" + grade + ",";
json += "\"major\":" + major + ",";
json += "\"detail\":" + detail + ",";
return json + "}";
}
}

30
learn02/src/pojo/TeacherInfo.java Normal file
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package pojo;
import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;
import lombok.ToString;
@Data
@AllArgsConstructor
@NoArgsConstructor
@ToString
public class TeacherInfo {
private int id;
private String name;
private int sex;
private String brith;
private int educ;
private int title;
public String toJSON(){
String json = "{";
json += "\"id\":" + id + ",";
json += "\"name\":\"" + name + "\",";
json += "\"sex\":" + sex + ",";
json += "\"brith\":\"" + brith + "\",";
json += "\"educ\":" + educ + ",";
json += "\"title\":" + title + ",";
return json;
}
}

25
learn02/src/pojo/UserInfo.java Normal file
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package pojo;
import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;
import lombok.ToString;
@AllArgsConstructor
@NoArgsConstructor
@Data
@ToString
public class UserInfo {
private int id;
private String name;
private String pass;
public String toJSON(){
String json = "{";
json += "\"id\":" + id + ",";
json += "\"name\":\"" + name + "\",";
json += "\"pass\":\"" + pass;
json += "}";
return json;
}
}

4
learn02/src/service/CourseService.java Normal file
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package service;
public interface CourseService {
}

4
learn02/src/service/UserService.java Normal file
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@ -0,0 +1,4 @@
package service;
public interface UserService {
}

15
learn02/src/test/TestDao.java Normal file
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package test;
import dao.CourseDB;
import dao.impl.CourseDBImpl;
import pojo.CourseInfo;
import java.util.ArrayList;
public class TestDao {
public static void main(String[] args) {
CourseDB courseDB = new CourseDBImpl();
ArrayList<CourseInfo> courseInfos = courseDB.getAllCourseInfo();
System.out.println(courseInfos);
}
}

63
learn02/web/course/course.jsp Normal file
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<%--
Created by IntelliJ IDEA.
User: 25589
Date: 2024/11/21
Time: 下午5:00
To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" %>
<!DOCTYPE html>
<html lang="zh-cn">
<head>
<meta charset="UTF-8">
<title>课程信息列表</title>
<link rel="stylesheet" href="${pageContext.request.contextPath}/css/course.css">
<link rel="stylesheet" href="${pageContext.request.contextPath}/css/common.css">
</head>
<body>
<div class="container">
<table id="course-list">
</table>
<div class="course-editor"></div>
<br><br><br><br><br>
<table id="course-list-vue">
<tr class="tr-head">
<td class="tr-head" colspan="6">课程信息列表</td>
</tr>
<tr>
<td>名称</td>
<td>性质</td>
<td>学分</td>
<td>开设年级</td>
<td>开设专业</td>
</tr>
<tr v-for="course in courses">
<td>{{course.name}}</td>
<td>{{types[course.type]}}</td>
<td>{{course.credit}}</td>
<td>{{course.grade}}</td>
<td>{{majors[course.major]}}</td>
<td>
<a class="blue" @click="edit()">编辑</a>
<a class="red" :href="path+'/courseAction/delete?id='+course.id">删除</a>
</td>
</tr>
<tr>
<td><a href="#" class='blue' onclick="addCourse()">添加</a></td>
<td></td><td></td><td></td>
<td>
<a href="#" class='blue' onclick="getCourses()">刷新数据列表</a>
</td>
<td></td>
</tr>
</table>
</div>
</body>
<script src="${pageContext.request.contextPath}/js/vue.min.js"></script>
<script>
let path = "${pageContext.request.contextPath}";
</script>
<script src="${pageContext.request.contextPath}/js/jquery-3.7.1.min.js"></script>
<script src="${pageContext.request.contextPath}/js/course-edit.js"></script>
</html>

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learn02/web/course/course_edit.jsp Normal file
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<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<div class="container">
<form class="course-edit">
<input type="hidden" name="id" id="id-input" value="-1">
<table class="input-form">
<thead>
<tr>
<td class="td_header" colspan="3">课程信息录入，<span class="star">*</span>代表必填</td>
</tr>
</thead>
<tr>
<td><label for="name-input">名称</label></td>
<td>
<input name="name" type="text" id="name-input">
</td>
<td>
<span class="star">*</span>5~20位字符
</td>
</tr>
<tr>
<td><label for="type-input">性质</label></td>
<td>
<select name="type" id="type-input">
<option value="1">公共基础必修课</option>
<option value="2">公共选修课</option>
<option value="3">学科基础课</option>
<option value="4">专业必修课</option>
<option value="5">专业选修课</option>
<option value="6">集中性实践教学环节</option>
</select>
</td>
<td>
<span class="star">*</span>
</td>
</tr>
<tr>
<td><label for="credit-input">学分</label></td>
<td>
<input name="credit" type="number" id="credit-input">
</td>
<td>
<span class="star">*</span>数值
</td>
</tr>
<tr>
<td><label for="grade-input">年份</label></td>
<td>
<input name="grade" type="text" id="grade-input">
</td>
<td>
<span class="star">*</span>4位数年份
</td>
</tr>
<tr>
<td>开设专业</td>
<td>
<input name="major" value="1" type="radio" id="major-input-1">
<label for="major-input-1">软件工程</label>
<input name="major" value="2" type="radio" id="major-input-2">
<label for="major-input-2">空间信息</label>
<input name="major" value="3" type="radio" id="major-input-3">
<label for="major-input-3">大数据</label>
</td>
<td>
<span class="star">*</span>
</td>
</tr>
<tr>
<td><label for="detail-input">备注</label></td>
<td>
<textarea rows="5" name="detail" id="detail-input"></textarea>
</td>
<td>
200个字符以内
</td>
</tr>
<tfoot>
<tr>
<td colspan="3">
<input type="submit" class="button">
<button onclick="closeEdit()">关闭编辑</button>
</td>
</tr>
</tfoot>
</table>
</form>
</div>

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learn02/web/course/tmp Normal file
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<form action="" method="post" class="course-edit">
<table class="input-form ">
<thead>
<tr>
<td class="td_header" colspan="3">课程信息录入，<span class="star">*</span></td>
</tr>
</thead>
<tr>
<td><label for="name-input">名称</label></td>
<td>
<input name="name" type="text" id="name-input">
</td>
<td>
<span class="star">*</span>5~20位字符
</td>
</tr>
<tr>
<td><label for="type-input">性质</label></td>
<td>
<select name="type" id="type-input">
<option value="1">公共基础必修课</option>
<option value="2">公共选修课</option>
<option value="3">学科基础课</option>
<option value="4">专业必修课</option>
<option value="5">专业选修课</option>
<option value="6">集中性实践教学环节</option>
</select>
</td>
<td>
<span class="star">*</span>
</td>
</tr>
<tr>
<td><label for="score-input">学分</label></td>
<td>
<input name="credit" type="number" id="score-input">
</td>
<td>
<span class="star">*</span>数值
</td>
</tr>
<tr>
<td><label for="year-input">年份</label></td>
<td>
<input name="grade" type="text" id="year-input">
</td>
<td>
<span class="star">*</span>4位数年份
</td>
</tr>
<tr>
<td>开设专业</td>
<td>
<input name="major" value="1" type="radio" id="major-input-1">
<label for="major-input-1">软件工程</label>
<input name="major" value="2" type="radio" id="major-input-2">
<label for="major-input-2">空间信息</label>
<input name="major" value="3" type="radio" id="major-input-3">
<label for="major-input-3">大数据</label>
</td>
<td>
<span class="star">*</span>
</td>
</tr>
<tr>
<td><label for="note-input">备注</label></td>
<td>
<textarea rows="5" name="detail" id="note-input"></textarea>
</td>
<td>
200个字符以内
</td>
</tr>
<tfoot>
<tr>
<td colspan="3">
<input type="submit">
</td>
</tr>
</tfoot>
</table>
</form>

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learn02/web/css/common.css Normal file
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.container{
background-color: white;
position: relative;
margin: auto;
width: 80%;
}
body{
background-color: white;
}
a{
text-decoration: none;
color: white;
font-weight: bold;
}
table{
width:100%;
border-spacing: 0;
background-color: #c4c4c4;
}
tr{
height: 25px;
padding: 2px;
}
.tr-head{
background-color: #2bf;
text-align: center;
}
tr:nth-child(odd){
background:#F4F4F4;
}
button,.button{
background-color: #39f;
border: #39f solid 1px;
border-radius: 5px;
color: white;
padding: 5px;
line-height: 100%;
text-align: center;
margin: 5px;
}
.red {
COLOR: red
}
.blue {
color: blue;
}
.underline {
BORDER-BOTTOM: #c4c4c4 1pt solid;
BORDER-LEFT: #c4c4c4;
BORDER-RIGHT: #c4c4c4;
BORDER-TOP: #c4c4c4;
}

8
learn02/web/css/course.css Normal file
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.input-form{
border: black solid 1px;
margin: auto;
td{
border: black solid 1px;
}
}

41
learn02/web/css/index.css Normal file
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.nav-area{
position: absolute;
top: 0;
left: 0;
background-color: #2bf;
height: 95%;
width: 20%;
margin: 0;
padding: 5px;
}
.nav-list{
padding-left: 0;
padding-right: 5px;
}
.nav-item{
list-style: none;
line-height: 100%;
text-align: center;
font-size: 19px;
margin: 5px 0;
padding: 3px 0;
color: white;
a{
text-decoration: none;
color: white;
font-weight: bold;
}
}
.content{
position: absolute;
top: 0;
right: 0;
background-color: #eee;
height: 95%;
width: 79%;
margin: 0;
padding: 5px;
}

15
learn02/web/css/login.css Normal file
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.login-card{
width: 80%;
border: #eee solid 2px;
border-radius: 5px;
}
input{
width: 75%;
height: 35px;
border: grey solid 2px;
border-radius: 5px;
margin: 5px;
padding: 5px;
line-height: 100%;
text-align: center;
}

16
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<%@ page contentType="text/html;charset=UTF-8"%>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>学生星系管理系统</title>
</head>
<body>
<div class="container">
<h1>错误！</h1>
<h2>错误代码：<%=(request.getParameter("err-code") == null?"未知错误":request.getParameter("err-code"))%></h2>
<hr>
<p><%=(request.getParameter("msg") == null?"":request.getParameter("msg"))%></p>
</div>
</body>
</html>

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<%--
Created by IntelliJ IDEA.
User: 25589
Date: 2024/12/3
Time: 上午12:17
To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" %>
<html>
<head>
<title>主页</title>
<link rel="stylesheet" href="${pageContext.request.contextPath}/css/common.css">
</head>
<body>
<div class="container">
<h1>学生信息管理系统</h1>
<%
if(session.getAttribute("user")==null){
out.println("<a href=\""+request.getContextPath()+"/login/login.jsp\"><button>登录</button></a>");
}else{
out.println("<a href=\""+request.getContextPath()+"/userAction/logout\"><button>注销</button></a>");
}
%>
<div id="app">
<label>
<input type="text" v-model="message">
</label>
{{ message }}
<h3 v-if="message === 'Hello vue'">这是Hello vue</h3>
<h3 v-else>这不是Hello vue</h3>
</div>
</div>
<script src="${pageContext.request.contextPath}/js/vue.min.js"></script>
<script>
new Vue({
el: "#app",
data: {
message: "Hello vue"
}
});
</script>
</body>
</html>

19
learn02/web/index.jsp
View File

@ -1,16 +1,25 @@
<%-- <%--
Created by IntelliJ IDEA. Created by IntelliJ IDEA.
User: awinx User: 25589
Date: 2024/12/5 Date: 2024/11/28
Time: <EFBFBD><EFBFBD><EFBFBD><EFBFBD>1:31 Time: 下午1:20
To change this template use File | Settings | File Templates. To change this template use File | Settings | File Templates.
--%> --%>
<%@ page contentType="text/html;charset=UTF-8"%> <%@ page contentType="text/html;charset=UTF-8"%>
<html> <html>
<head> <head>
<title>$Title$</title> <title>学生信息管理系统</title>
<link rel="stylesheet" href="${pageContext.request.contextPath}/css/index.css">
<link rel="stylesheet" href="${pageContext.request.contextPath}/css/common.css">
</head> </head>
<body> <body>
$END$ <div class="nav-area">
<ul class="nav-list">
<li class="nav-item"><a href="${pageContext.request.contextPath}/home.jsp" target="content">欢迎页</a></li>
<li class="nav-item"><a href="${pageContext.request.contextPath}/course/course.jsp" target="content">课程列表</a></li>
</ul>
</div>
<iframe src="${pageContext.request.contextPath}/home.jsp" class="content" name="content" height="100%" width="100%"></iframe>
</body> </body>
<script src="${pageContext.request.contextPath}/js/index.js"></script>
</html> </html>

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const types = ['', '公共基础必修课', '公共选修课', '学科基础课', '专业必修课', '专业选修课', '集中性实践教学环节']
const majors = ['', '软件工程', '空间信息', '大数据'];
let courses;
new Vue({
el: "#course-list-vue",
data: {
courses: [],
types: types,
majors: majors,
path: path
},
mounted(){
$.ajax({
url: path+"/courseAction/list",
method: "GET",
success: (data, status, xhr) =>{
this.courses = data;
}
});
},
method: {
edit: ()=>{}
}
});
function getCourses(){
// $.ajax({
// url: path+"/courseAction/list",
// method: "GET",
// success: (data, status, xhr)=>{
// const course_list = document.getElementById('course-list');
// console.log(xhr.status);
// course_list.innerHTML = "<tr class=\"tr-head\"><td class=\"tr-head\" colspan=\"6\">课程信息列表</td></tr> <tr> <td>名称</td> <td>性质</td> <td>学分</td> <td>开设年级</td> <td>开设专业</td> </tr>"
// courses = data;
// for (let i in data){
// const course_tr = document.createElement('tr');
// course_tr.innerHTML="<td>"+ data[i].name +"</td>" +
// "<td>"+types[data[i].type]+"</td>" +
// "<td>"+ data[i].credit +"</td>" +
// "<td>"+ data[i].grade + "</td>" +
// "<td>"+ majors[data[i].major]+"</td>" +
// "<td><a class='blue' onclick=\"editCourse("+ i + ")\" " +
// ">编辑</a> <a class='red' href=\""+path+"/courseAction/delete?id=" +
// data[i].id+"\">删除</a></td>";
// course_list.appendChild(course_tr);
// }
// const end_tr = document.createElement('tr');
// end_tr.innerHTML="<td><a href=\"#\" class='blue' onclick=\"addCourse()\">添加</a></td><td></td><td></td><td></td><td>" +
// "<a href=\"#\" class='blue' onclick=\"getCourses()\">刷新数据列表</a></td><td></td>";
// course_list.appendChild(end_tr);
// },
// error: ()=>{
// window.location=path+"/login/login.jsp";
// }
// });
}
$(document).ready(getCourses);
function editCourse(i){
$(".course-editor").load(path+"/course/course_edit.jsp", ()=>{
const form = document.querySelector('.course-edit');
form.action = path+"/courseAction/update";
form.method = "POST";
const idInput = document.getElementById('id-input');
idInput.value = courses[i].id;
const nameInput = document.getElementById('name-input');
nameInput.value = courses[i].name;
const typeInput = document.getElementById('type-input');
typeInput.value = courses[i].type;
const creditInput = document.getElementById('credit-input');
creditInput.value = courses[i].credit;
const yearInput = document.getElementById('grade-input');
yearInput.value = courses[i].grade;
const majorInputs = form.querySelectorAll('input[name="major"]');
majorInputs.forEach((input) => {
if (parseInt(input.value) === courses[i].major) {
input.checked = true;
}
});
const noteInput = form.querySelector('#detail-input');
noteInput.value = courses[i].detail;
form.addEventListener('submit', function (e) {
e.preventDefault();
const gradeInput = document.getElementById('grade-input');
if (!/^20\d{2}$/.test(gradeInput.value)) {
alert('请输入合法的四位年份');
return;
}
const nameInput = document.getElementById('name-input');
console.log(nameInput.value.length)
console.log(nameInput.value)
if (nameInput.value.length < 5 || nameInput.value.length > 20){
alert('请输入5~20位字符');
return;
}
const detailInput = document.getElementById('detail-input');
if (detailInput.value.length > 200){
alert('备注超长');
return;
}
$(".course-edit").submit();
});
});
}
function addCourse(){
$(".course-editor").load(path+"/courseAction/course_edit.jsp", ()=>{
const form = document.querySelector('.course-edit');
form.action = path+"/course/add";
form.addEventListener('submit', function (e) {
e.preventDefault();
const gradeInput = document.getElementById('grade-input');
if (!/^20\d{2}$/.test(gradeInput.value)) {
alert('请输入合法的四位年份');
return;
}
const nameInput = document.getElementById('name-input');
console.log(nameInput.value.length)
console.log(nameInput.value)
if (nameInput.value.length < 5 || nameInput.value.length > 20){
alert('请输入5~20位字符');
return;
}
const detailInput = document.getElementById('detail-input');
if (detailInput.value.length > 200){
alert('备注超长');
return;
}
$(".course-edit").submit();
});
});
}
function closeEdit(){
const editor = document.querySelector('.course-editor');
editor.innerHTML = "";
}

0
learn02/web/js/index.js Normal file
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41
learn02/web/login/login.jsp Normal file
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<%--
Created by IntelliJ IDEA.
User: 25589
Date: 2024/12/1
Time: 下午11:58
To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8"%>
<html>
<head>
<title>登录</title>
<link rel="stylesheet" href="${pageContext.request.contextPath}/css/login.css">
<link rel="stylesheet" href="${pageContext.request.contextPath}/css/common.css">
</head>
<body>
<div class="login-card">
<h1>登录</h1>
<form action="${pageContext.request.contextPath}/userAction/login" method="POST">
<label for="username-input">用户名</label><br>
<input type="text" name="username" id="username-input"><br>
<label for="password-input">密码</label><br>
<input type="password" name="password" id="password-input">
<input type="submit" class="button" value="登录">
</form>
</div>
</body>
<script>
<%
String loginFlag=request.getParameter("loginflag");
String username=request.getParameter("username");
if(loginFlag==null){ //无登录失败标识，是正常访问登录页面
loginFlag="";
}
if(loginFlag.equals("1")){
out.println("alert('用户【"+username+"】不存在！')");
}else if(loginFlag.equals("2")){
out.println("alert('密码错误！')");
}
%>
</script>
</html>

2
learn03-springboot/.gitattributes vendored Normal file
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/mvnw text eol=lf
*.cmd text eol=crlf

33
learn03-springboot/.gitignore vendored Normal file
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HELP.md
target/
!.mvn/wrapper/maven-wrapper.jar
!**/src/main/**/target/
!**/src/test/**/target/
### STS ###
.apt_generated
.classpath
.factorypath
.project
.settings
.springBeans
.sts4-cache
### IntelliJ IDEA ###
.idea
*.iws
*.iml
*.ipr
### NetBeans ###
/nbproject/private/
/nbbuild/
/dist/
/nbdist/
/.nb-gradle/
build/
!**/src/main/**/build/
!**/src/test/**/build/
### VS Code ###
.vscode/

19
learn03-springboot/.mvn/wrapper/maven-wrapper.properties vendored Normal file
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@ -0,0 +1,19 @@
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
wrapperVersion=3.3.2
distributionType=only-script
distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.9.9/apache-maven-3.9.9-bin.zip

259
learn03-springboot/mvnw vendored Normal file
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@ -0,0 +1,259 @@
#!/bin/sh
# ----------------------------------------------------------------------------
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
# ----------------------------------------------------------------------------
# ----------------------------------------------------------------------------
# Apache Maven Wrapper startup batch script, version 3.3.2
#
# Optional ENV vars
# -----------------
# JAVA_HOME - location of a JDK home dir, required when download maven via java source
# MVNW_REPOURL - repo url base for downloading maven distribution
# MVNW_USERNAME/MVNW_PASSWORD - user and password for downloading maven
# MVNW_VERBOSE - true: enable verbose log; debug: trace the mvnw script; others: silence the output
# ----------------------------------------------------------------------------
set -euf
[ "${MVNW_VERBOSE-}" != debug ] || set -x
# OS specific support.
native_path() { printf %s\\n "$1"; }
case "$(uname)" in
CYGWIN* | MINGW*)
[ -z "${JAVA_HOME-}" ] || JAVA_HOME="$(cygpath --unix "$JAVA_HOME")"
native_path() { cygpath --path --windows "$1"; }
;;
esac
# set JAVACMD and JAVACCMD
set_java_home() {
# For Cygwin and MinGW, ensure paths are in Unix format before anything is touched
if [ -n "${JAVA_HOME-}" ]; then
if [ -x "$JAVA_HOME/jre/sh/java" ]; then
# IBM's JDK on AIX uses strange locations for the executables
JAVACMD="$JAVA_HOME/jre/sh/java"
JAVACCMD="$JAVA_HOME/jre/sh/javac"
else
JAVACMD="$JAVA_HOME/bin/java"
JAVACCMD="$JAVA_HOME/bin/javac"
if [ ! -x "$JAVACMD" ] || [ ! -x "$JAVACCMD" ]; then
echo "The JAVA_HOME environment variable is not defined correctly, so mvnw cannot run." >&2
echo "JAVA_HOME is set to \"$JAVA_HOME\", but \"\$JAVA_HOME/bin/java\" or \"\$JAVA_HOME/bin/javac\" does not exist." >&2
return 1
fi
fi
else
JAVACMD="$(
'set' +e
'unset' -f command 2>/dev/null
'command' -v java
)" || :
JAVACCMD="$(
'set' +e
'unset' -f command 2>/dev/null
'command' -v javac
)" || :
if [ ! -x "${JAVACMD-}" ] || [ ! -x "${JAVACCMD-}" ]; then
echo "The java/javac command does not exist in PATH nor is JAVA_HOME set, so mvnw cannot run." >&2
return 1
fi
fi
}
# hash string like Java String::hashCode
hash_string() {
str="${1:-}" h=0
while [ -n "$str" ]; do
char="${str%"${str#?}"}"
h=$(((h * 31 + $(LC_CTYPE=C printf %d "'$char")) % 4294967296))
str="${str#?}"
done
printf %x\\n $h
}
verbose() { :; }
[ "${MVNW_VERBOSE-}" != true ] || verbose() { printf %s\\n "${1-}"; }
die() {
printf %s\\n "$1" >&2
exit 1
}
trim() {
# MWRAPPER-139:
# Trims trailing and leading whitespace, carriage returns, tabs, and linefeeds.
# Needed for removing poorly interpreted newline sequences when running in more
# exotic environments such as mingw bash on Windows.
printf "%s" "${1}" | tr -d '[:space:]'
}
# parse distributionUrl and optional distributionSha256Sum, requires .mvn/wrapper/maven-wrapper.properties
while IFS="=" read -r key value; do
case "${key-}" in
distributionUrl) distributionUrl=$(trim "${value-}") ;;
distributionSha256Sum) distributionSha256Sum=$(trim "${value-}") ;;
esac
done <"${0%/*}/.mvn/wrapper/maven-wrapper.properties"
[ -n "${distributionUrl-}" ] || die "cannot read distributionUrl property in ${0%/*}/.mvn/wrapper/maven-wrapper.properties"
case "${distributionUrl##*/}" in
maven-mvnd-*bin.*)
MVN_CMD=mvnd.sh _MVNW_REPO_PATTERN=/maven/mvnd/
case "${PROCESSOR_ARCHITECTURE-}${PROCESSOR_ARCHITEW6432-}:$(uname -a)" in
*AMD64:CYGWIN* | *AMD64:MINGW*) distributionPlatform=windows-amd64 ;;
:Darwin*x86_64) distributionPlatform=darwin-amd64 ;;
:Darwin*arm64) distributionPlatform=darwin-aarch64 ;;
:Linux*x86_64*) distributionPlatform=linux-amd64 ;;
*)
echo "Cannot detect native platform for mvnd on $(uname)-$(uname -m), use pure java version" >&2
distributionPlatform=linux-amd64
;;
esac
distributionUrl="${distributionUrl%-bin.*}-$distributionPlatform.zip"
;;
maven-mvnd-*) MVN_CMD=mvnd.sh _MVNW_REPO_PATTERN=/maven/mvnd/ ;;
*) MVN_CMD="mvn${0##*/mvnw}" _MVNW_REPO_PATTERN=/org/apache/maven/ ;;
esac
# apply MVNW_REPOURL and calculate MAVEN_HOME
# maven home pattern: ~/.m2/wrapper/dists/{apache-maven-<version>,maven-mvnd-<version>-<platform>}/<hash>
[ -z "${MVNW_REPOURL-}" ] || distributionUrl="$MVNW_REPOURL$_MVNW_REPO_PATTERN${distributionUrl#*"$_MVNW_REPO_PATTERN"}"
distributionUrlName="${distributionUrl##*/}"
distributionUrlNameMain="${distributionUrlName%.*}"
distributionUrlNameMain="${distributionUrlNameMain%-bin}"
MAVEN_USER_HOME="${MAVEN_USER_HOME:-${HOME}/.m2}"
MAVEN_HOME="${MAVEN_USER_HOME}/wrapper/dists/${distributionUrlNameMain-}/$(hash_string "$distributionUrl")"
exec_maven() {
unset MVNW_VERBOSE MVNW_USERNAME MVNW_PASSWORD MVNW_REPOURL || :
exec "$MAVEN_HOME/bin/$MVN_CMD" "$@" || die "cannot exec $MAVEN_HOME/bin/$MVN_CMD"
}
if [ -d "$MAVEN_HOME" ]; then
verbose "found existing MAVEN_HOME at $MAVEN_HOME"
exec_maven "$@"
fi
case "${distributionUrl-}" in
*?-bin.zip | *?maven-mvnd-?*-?*.zip) ;;
*) die "distributionUrl is not valid, must match *-bin.zip or maven-mvnd-*.zip, but found '${distributionUrl-}'" ;;
esac
# prepare tmp dir
if TMP_DOWNLOAD_DIR="$(mktemp -d)" && [ -d "$TMP_DOWNLOAD_DIR" ]; then
clean() { rm -rf -- "$TMP_DOWNLOAD_DIR"; }
trap clean HUP INT TERM EXIT
else
die "cannot create temp dir"
fi
mkdir -p -- "${MAVEN_HOME%/*}"
# Download and Install Apache Maven
verbose "Couldn't find MAVEN_HOME, downloading and installing it ..."
verbose "Downloading from: $distributionUrl"
verbose "Downloading to: $TMP_DOWNLOAD_DIR/$distributionUrlName"
# select .zip or .tar.gz
if ! command -v unzip >/dev/null; then
distributionUrl="${distributionUrl%.zip}.tar.gz"
distributionUrlName="${distributionUrl##*/}"
fi
# verbose opt
__MVNW_QUIET_WGET=--quiet __MVNW_QUIET_CURL=--silent __MVNW_QUIET_UNZIP=-q __MVNW_QUIET_TAR=''
[ "${MVNW_VERBOSE-}" != true ] || __MVNW_QUIET_WGET='' __MVNW_QUIET_CURL='' __MVNW_QUIET_UNZIP='' __MVNW_QUIET_TAR=v
# normalize http auth
case "${MVNW_PASSWORD:+has-password}" in
'') MVNW_USERNAME='' MVNW_PASSWORD='' ;;
has-password) [ -n "${MVNW_USERNAME-}" ] || MVNW_USERNAME='' MVNW_PASSWORD='' ;;
esac
if [ -z "${MVNW_USERNAME-}" ] && command -v wget >/dev/null; then
verbose "Found wget ... using wget"
wget ${__MVNW_QUIET_WGET:+"$__MVNW_QUIET_WGET"} "$distributionUrl" -O "$TMP_DOWNLOAD_DIR/$distributionUrlName" || die "wget: Failed to fetch $distributionUrl"
elif [ -z "${MVNW_USERNAME-}" ] && command -v curl >/dev/null; then
verbose "Found curl ... using curl"
curl ${__MVNW_QUIET_CURL:+"$__MVNW_QUIET_CURL"} -f -L -o "$TMP_DOWNLOAD_DIR/$distributionUrlName" "$distributionUrl" || die "curl: Failed to fetch $distributionUrl"
elif set_java_home; then
verbose "Falling back to use Java to download"
javaSource="$TMP_DOWNLOAD_DIR/Downloader.java"
targetZip="$TMP_DOWNLOAD_DIR/$distributionUrlName"
cat >"$javaSource" <<-END
public class Downloader extends java.net.Authenticator
{
protected java.net.PasswordAuthentication getPasswordAuthentication()
{
return new java.net.PasswordAuthentication( System.getenv( "MVNW_USERNAME" ), System.getenv( "MVNW_PASSWORD" ).toCharArray() );
}
public static void main( String[] args ) throws Exception
{
setDefault( new Downloader() );
java.nio.file.Files.copy( java.net.URI.create( args[0] ).toURL().openStream(), java.nio.file.Paths.get( args[1] ).toAbsolutePath().normalize() );
}
}
END
# For Cygwin/MinGW, switch paths to Windows format before running javac and java
verbose " - Compiling Downloader.java ..."
"$(native_path "$JAVACCMD")" "$(native_path "$javaSource")" || die "Failed to compile Downloader.java"
verbose " - Running Downloader.java ..."
"$(native_path "$JAVACMD")" -cp "$(native_path "$TMP_DOWNLOAD_DIR")" Downloader "$distributionUrl" "$(native_path "$targetZip")"
fi
# If specified, validate the SHA-256 sum of the Maven distribution zip file
if [ -n "${distributionSha256Sum-}" ]; then
distributionSha256Result=false
if [ "$MVN_CMD" = mvnd.sh ]; then
echo "Checksum validation is not supported for maven-mvnd." >&2
echo "Please disable validation by removing 'distributionSha256Sum' from your maven-wrapper.properties." >&2
exit 1
elif command -v sha256sum >/dev/null; then
if echo "$distributionSha256Sum $TMP_DOWNLOAD_DIR/$distributionUrlName" | sha256sum -c >/dev/null 2>&1; then
distributionSha256Result=true
fi
elif command -v shasum >/dev/null; then
if echo "$distributionSha256Sum $TMP_DOWNLOAD_DIR/$distributionUrlName" | shasum -a 256 -c >/dev/null 2>&1; then
distributionSha256Result=true
fi
else
echo "Checksum validation was requested but neither 'sha256sum' or 'shasum' are available." >&2
echo "Please install either command, or disable validation by removing 'distributionSha256Sum' from your maven-wrapper.properties." >&2
exit 1
fi
if [ $distributionSha256Result = false ]; then
echo "Error: Failed to validate Maven distribution SHA-256, your Maven distribution might be compromised." >&2
echo "If you updated your Maven version, you need to update the specified distributionSha256Sum property." >&2
exit 1
fi
fi
# unzip and move
if command -v unzip >/dev/null; then
unzip ${__MVNW_QUIET_UNZIP:+"$__MVNW_QUIET_UNZIP"} "$TMP_DOWNLOAD_DIR/$distributionUrlName" -d "$TMP_DOWNLOAD_DIR" || die "failed to unzip"
else
tar xzf${__MVNW_QUIET_TAR:+"$__MVNW_QUIET_TAR"} "$TMP_DOWNLOAD_DIR/$distributionUrlName" -C "$TMP_DOWNLOAD_DIR" || die "failed to untar"
fi
printf %s\\n "$distributionUrl" >"$TMP_DOWNLOAD_DIR/$distributionUrlNameMain/mvnw.url"
mv -- "$TMP_DOWNLOAD_DIR/$distributionUrlNameMain" "$MAVEN_HOME" || [ -d "$MAVEN_HOME" ] || die "fail to move MAVEN_HOME"
clean || :
exec_maven "$@"

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@ -0,0 +1,149 @@
<# : batch portion
@REM ----------------------------------------------------------------------------
@REM Licensed to the Apache Software Foundation (ASF) under one
@REM or more contributor license agreements. See the NOTICE file
@REM distributed with this work for additional information
@REM regarding copyright ownership. The ASF licenses this file
@REM to you under the Apache License, Version 2.0 (the
@REM "License"); you may not use this file except in compliance
@REM with the License. You may obtain a copy of the License at
@REM
@REM http://www.apache.org/licenses/LICENSE-2.0
@REM
@REM Unless required by applicable law or agreed to in writing,
@REM software distributed under the License is distributed on an
@REM "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
@REM KIND, either express or implied. See the License for the
@REM specific language governing permissions and limitations
@REM under the License.
@REM ----------------------------------------------------------------------------
@REM ----------------------------------------------------------------------------
@REM Apache Maven Wrapper startup batch script, version 3.3.2
@REM
@REM Optional ENV vars
@REM MVNW_REPOURL - repo url base for downloading maven distribution
@REM MVNW_USERNAME/MVNW_PASSWORD - user and password for downloading maven
@REM MVNW_VERBOSE - true: enable verbose log; others: silence the output
@REM ----------------------------------------------------------------------------
@IF "%__MVNW_ARG0_NAME__%"=="" (SET __MVNW_ARG0_NAME__=%~nx0)
@SET __MVNW_CMD__=
@SET __MVNW_ERROR__=
@SET __MVNW_PSMODULEP_SAVE=%PSModulePath%
@SET PSModulePath=
@FOR /F "usebackq tokens=1* delims==" %%A IN (`powershell -noprofile "& {$scriptDir='%~dp0'; $script='%__MVNW_ARG0_NAME__%'; icm -ScriptBlock ([Scriptblock]::Create((Get-Content -Raw '%~f0'))) -NoNewScope}"`) DO @(
IF "%%A"=="MVN_CMD" (set __MVNW_CMD__=%%B) ELSE IF "%%B"=="" (echo %%A) ELSE (echo %%A=%%B)
)
@SET PSModulePath=%__MVNW_PSMODULEP_SAVE%
@SET __MVNW_PSMODULEP_SAVE=
@SET __MVNW_ARG0_NAME__=
@SET MVNW_USERNAME=
@SET MVNW_PASSWORD=
@IF NOT "%__MVNW_CMD__%"=="" (%__MVNW_CMD__% %*)
@echo Cannot start maven from wrapper >&2 && exit /b 1
@GOTO :EOF
: end batch / begin powershell #>
$ErrorActionPreference = "Stop"
if ($env:MVNW_VERBOSE -eq "true") {
$VerbosePreference = "Continue"
}
# calculate distributionUrl, requires .mvn/wrapper/maven-wrapper.properties
$distributionUrl = (Get-Content -Raw "$scriptDir/.mvn/wrapper/maven-wrapper.properties" | ConvertFrom-StringData).distributionUrl
if (!$distributionUrl) {
Write-Error "cannot read distributionUrl property in $scriptDir/.mvn/wrapper/maven-wrapper.properties"
}
switch -wildcard -casesensitive ( $($distributionUrl -replace '^.*/','') ) {
"maven-mvnd-*" {
$USE_MVND = $true
$distributionUrl = $distributionUrl -replace '-bin\.[^.]*$',"-windows-amd64.zip"
$MVN_CMD = "mvnd.cmd"
break
}
default {
$USE_MVND = $false
$MVN_CMD = $script -replace '^mvnw','mvn'
break
}
}
# apply MVNW_REPOURL and calculate MAVEN_HOME
# maven home pattern: ~/.m2/wrapper/dists/{apache-maven-<version>,maven-mvnd-<version>-<platform>}/<hash>
if ($env:MVNW_REPOURL) {
$MVNW_REPO_PATTERN = if ($USE_MVND) { "/org/apache/maven/" } else { "/maven/mvnd/" }
$distributionUrl = "$env:MVNW_REPOURL$MVNW_REPO_PATTERN$($distributionUrl -replace '^.*'+$MVNW_REPO_PATTERN,'')"
}
$distributionUrlName = $distributionUrl -replace '^.*/',''
$distributionUrlNameMain = $distributionUrlName -replace '\.[^.]*$','' -replace '-bin$',''
$MAVEN_HOME_PARENT = "$HOME/.m2/wrapper/dists/$distributionUrlNameMain"
if ($env:MAVEN_USER_HOME) {
$MAVEN_HOME_PARENT = "$env:MAVEN_USER_HOME/wrapper/dists/$distributionUrlNameMain"
}
$MAVEN_HOME_NAME = ([System.Security.Cryptography.MD5]::Create().ComputeHash([byte[]][char[]]$distributionUrl) | ForEach-Object {$_.ToString("x2")}) -join ''
$MAVEN_HOME = "$MAVEN_HOME_PARENT/$MAVEN_HOME_NAME"
if (Test-Path -Path "$MAVEN_HOME" -PathType Container) {
Write-Verbose "found existing MAVEN_HOME at $MAVEN_HOME"
Write-Output "MVN_CMD=$MAVEN_HOME/bin/$MVN_CMD"
exit $?
}
if (! $distributionUrlNameMain -or ($distributionUrlName -eq $distributionUrlNameMain)) {
Write-Error "distributionUrl is not valid, must end with *-bin.zip, but found $distributionUrl"
}
# prepare tmp dir
$TMP_DOWNLOAD_DIR_HOLDER = New-TemporaryFile
$TMP_DOWNLOAD_DIR = New-Item -Itemtype Directory -Path "$TMP_DOWNLOAD_DIR_HOLDER.dir"
$TMP_DOWNLOAD_DIR_HOLDER.Delete() | Out-Null
trap {
if ($TMP_DOWNLOAD_DIR.Exists) {
try { Remove-Item $TMP_DOWNLOAD_DIR -Recurse -Force | Out-Null }
catch { Write-Warning "Cannot remove $TMP_DOWNLOAD_DIR" }
}
}
New-Item -Itemtype Directory -Path "$MAVEN_HOME_PARENT" -Force | Out-Null
# Download and Install Apache Maven
Write-Verbose "Couldn't find MAVEN_HOME, downloading and installing it ..."
Write-Verbose "Downloading from: $distributionUrl"
Write-Verbose "Downloading to: $TMP_DOWNLOAD_DIR/$distributionUrlName"
$webclient = New-Object System.Net.WebClient
if ($env:MVNW_USERNAME -and $env:MVNW_PASSWORD) {
$webclient.Credentials = New-Object System.Net.NetworkCredential($env:MVNW_USERNAME, $env:MVNW_PASSWORD)
}
[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12
$webclient.DownloadFile($distributionUrl, "$TMP_DOWNLOAD_DIR/$distributionUrlName") | Out-Null
# If specified, validate the SHA-256 sum of the Maven distribution zip file
$distributionSha256Sum = (Get-Content -Raw "$scriptDir/.mvn/wrapper/maven-wrapper.properties" | ConvertFrom-StringData).distributionSha256Sum
if ($distributionSha256Sum) {
if ($USE_MVND) {
Write-Error "Checksum validation is not supported for maven-mvnd. `nPlease disable validation by removing 'distributionSha256Sum' from your maven-wrapper.properties."
}
Import-Module $PSHOME\Modules\Microsoft.PowerShell.Utility -Function Get-FileHash
if ((Get-FileHash "$TMP_DOWNLOAD_DIR/$distributionUrlName" -Algorithm SHA256).Hash.ToLower() -ne $distributionSha256Sum) {
Write-Error "Error: Failed to validate Maven distribution SHA-256, your Maven distribution might be compromised. If you updated your Maven version, you need to update the specified distributionSha256Sum property."
}
}
# unzip and move
Expand-Archive "$TMP_DOWNLOAD_DIR/$distributionUrlName" -DestinationPath "$TMP_DOWNLOAD_DIR" | Out-Null
Rename-Item -Path "$TMP_DOWNLOAD_DIR/$distributionUrlNameMain" -NewName $MAVEN_HOME_NAME | Out-Null
try {
Move-Item -Path "$TMP_DOWNLOAD_DIR/$MAVEN_HOME_NAME" -Destination $MAVEN_HOME_PARENT | Out-Null
} catch {
if (! (Test-Path -Path "$MAVEN_HOME" -PathType Container)) {
Write-Error "fail to move MAVEN_HOME"
}
} finally {
try { Remove-Item $TMP_DOWNLOAD_DIR -Recurse -Force | Out-Null }
catch { Write-Warning "Cannot remove $TMP_DOWNLOAD_DIR" }
}
Write-Output "MVN_CMD=$MAVEN_HOME/bin/$MVN_CMD"

85
learn03-springboot/pom.xml Normal file
View File

@ -0,0 +1,85 @@
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>3.4.0</version>
<relativePath/> <!-- lookup parent from repository -->
</parent>
<groupId>top.awin-x</groupId>
<artifactId>learn03-springboot</artifactId>
<version>0.0.1-SNAPSHOT</version>
<packaging>war</packaging>
<name>learn03-springboot</name>
<description>learn03-springboot</description>
<url/>
<licenses>
<license/>
</licenses>
<developers>
<developer/>
</developers>
<scm>
<connection/>
<developerConnection/>
<tag/>
<url/>
</scm>
<properties>
<java.version>21</java.version>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<optional>true</optional>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-tomcat</artifactId>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<configuration>
<annotationProcessorPaths>
<path>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
</path>
</annotationProcessorPaths>
</configuration>
</plugin>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
<configuration>
<excludes>
<exclude>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
</exclude>
</excludes>
</configuration>
</plugin>
</plugins>
</build>
</project>

13
learn03-springboot/src/main/java/top/awin_x/learn/Learn03SpringbootApplication.java Normal file
View File

@ -0,0 +1,13 @@
package top.awin_x.learn;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
@SpringBootApplication
public class Learn03SpringbootApplication {
public static void main(String[] args) {
SpringApplication.run(Learn03SpringbootApplication.class, args);
}
}

13
learn03-springboot/src/main/java/top/awin_x/learn/ServletInitializer.java Normal file
View File

@ -0,0 +1,13 @@
package top.awin_x.learn;
import org.springframework.boot.builder.SpringApplicationBuilder;
import org.springframework.boot.web.servlet.support.SpringBootServletInitializer;
public class ServletInitializer extends SpringBootServletInitializer {
@Override
protected SpringApplicationBuilder configure(SpringApplicationBuilder application) {
return application.sources(Learn03SpringbootApplication.class);
}
}

1
learn03-springboot/src/main/resources/application.properties Normal file
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@ -0,0 +1 @@
spring.application.name=learn03-springboot

13
learn03-springboot/src/test/java/top/awin_x/learn/Learn03SpringbootApplicationTests.java Normal file
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@ -0,0 +1,13 @@
package top.awin_x.learn;
import org.junit.jupiter.api.Test;
import org.springframework.boot.test.context.SpringBootTest;
@SpringBootTest
class Learn03SpringbootApplicationTests {
@Test
void contextLoads() {
}
}

2
learn1/src/course/CourseDB.java
View File

@ -77,7 +77,7 @@ public class CourseDB {
} }
public static void insertCourse(CourseInfo course){ public static void insertCourse(CourseInfo course){
try{ try {
String sql = "INSERT INTO t_course (VC_COURSE_NAME, N_TYPE, F_CREDIT, N_GRADE, N_MAJOR, VC_DETAIL) VALUES(?, ?, ?, ?, ?, ?)"; String sql = "INSERT INTO t_course (VC_COURSE_NAME, N_TYPE, F_CREDIT, N_GRADE, N_MAJOR, VC_DETAIL) VALUES(?, ?, ?, ?, ?, ?)";
PreparedStatement ps = DBTool.getPreparedStatement(sql); PreparedStatement ps = DBTool.getPreparedStatement(sql);
ps.setString(1, course.getName()); ps.setString(1, course.getName());