learn02

test05/pom.xml

@@ -95,7 +95,10 @@
             <artifactId>fastjson2</artifactId>
             <version>2.0.53</version>
         </dependency>
-
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-aop</artifactId>
+        </dependency>
     </dependencies>
 
     <build>

test05/src/main/java/test05/aop/TimeAspect.java

@@ -0,0 +1,21 @@
+package test05.aop;
+
+import lombok.extern.slf4j.Slf4j;
+import org.aspectj.lang.ProceedingJoinPoint;
+import org.aspectj.lang.annotation.Around;
+import org.aspectj.lang.annotation.Aspect;
+import org.springframework.stereotype.Component;
+
+@Slf4j
+@Component
+@Aspect
+public class TimeAspect {
+    @Around("execution(* test05.service.*.*(..))")
+    public Object recordTime(ProceedingJoinPoint joinPoint) throws Throwable {
+        long begin = System.currentTimeMillis();
+        Object result = joinPoint.proceed();
+        long end = System.currentTimeMillis();
+        log.info(joinPoint.getSignature()+"耗时：{}ms", end-begin);
+        return result;
+    }
+}

test05/src/main/java/test05/config/WebConfig.java

@@ -18,6 +18,6 @@ public class WebConfig implements WebMvcConfigurer {
 
     @Override
     public void addInterceptors(InterceptorRegistry registry) {
-        registry.addInterceptor(loginCheckInterceptor).addPathPatterns("/**").excludePathPatterns("/login");
+        registry.addInterceptor(loginCheckInterceptor).addPathPatterns("/**").excludePathPatterns("/userAction/login");
     }
 }

test05/src/main/java/test05/controller/LoginController.java

@@ -1,5 +1,6 @@
 package test05.controller;
 
+import io.jsonwebtoken.Jwt;
 import jakarta.servlet.http.HttpSession;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.web.bind.annotation.CrossOrigin;
@@ -8,6 +9,9 @@ import org.springframework.web.bind.annotation.RestController;
 import test05.pojo.Result;
 import test05.pojo.User;
 import test05.service.UserService;
+import test05.utils.JwtUtils;
+
+import java.util.Map;
 
 @RestController
 @RequestMapping("/userAction")
@@ -23,8 +27,12 @@ public class LoginController {
     @RequestMapping("/login")
     public Result login(String username, String password, HttpSession session) {
         if (session.getAttribute("user") != null) {
+            String loginName = ((Map<String, String>)(JwtUtils.parseJwt((String)session.getAttribute("user")).get("data"))).get("name");
+            if (loginName.equals(username)) {
                 return Result.success(session.getAttribute("user"));
-        }else if (username==null || password==null) {
+            }
+        }
+        if (username==null || password==null) {
             return Result.error("login fail");
         }
         Result res = userService.login(new User(username, password));
@@ -34,4 +42,11 @@ public class LoginController {
         return res;
     }
 
+    @CrossOrigin
+    @RequestMapping("/logout")
+    public Result logout(HttpSession session) {
+        session.removeAttribute("user");
+        return Result.success();
+    }
+
 }

test05/src/main/java/test05/controller/studentController.java

@@ -1,13 +1,16 @@
 package test05.controller;
 
 import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.CrossOrigin;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 import test05.pojo.Result;
+import test05.pojo.Student;
 import test05.service.StudentService;
 
+@CrossOrigin(maxAge = 3600)
 @RestController
-@RequestMapping("/studentAction/")
+@RequestMapping("/studentAction")
 public class studentController {
     private final StudentService studentService;
     @Autowired
@@ -15,10 +18,40 @@ public class studentController {
         this.studentService = studentService;
     }
 
-    @RequestMapping("get")
-    public Result get() {
+    @RequestMapping("/get")
+    public Result get(Student student, Integer page, Integer pageSize) {
         Result result = new Result();
+        if (pageSize == null) {
+            pageSize = 10;
+        }
+        if (page == null) {
+            page = 1;
+        }
+        return studentService.getStudent(student, page, pageSize);
+    }
 
-        return result;
+    @RequestMapping("/add")
+    public Result add(Student student) {
+        if (student == null || student.getId() != -1) {
+            return Result.error("bad request");
+        }else{
+            return studentService.addStudent(student);
+        }
+    }
+
+    @RequestMapping("/edit")
+    public Result edit(Student student) {
+        if (student == null || student.getId() == -1) {
+            return Result.error("bad request");
+        }
+        return studentService.updateStudent(student);
+    }
+
+    @RequestMapping("/delete")
+    public Result delete(Student student) {
+        if (student == null || student.getId() <= 0) {
+            return Result.error("bad request");
+        }
+        return studentService.deleteStudent(student);
     }
 }

test05/src/main/java/test05/exception/GlobalExceptionHandler.java

@@ -0,0 +1,14 @@
+package test05.exception;
+
+import org.springframework.web.bind.annotation.ExceptionHandler;
+import org.springframework.web.bind.annotation.RestControllerAdvice;
+import test05.pojo.Result;
+
+@RestControllerAdvice
+public class GlobalExceptionHandler {
+    @ExceptionHandler(Exception.class)
+    public Result ex(Exception e){
+        e.printStackTrace();
+        return Result.error("server error");
+    }
+}

test05/src/main/java/test05/service/impl/StudentServiceImpl.java

@@ -31,16 +31,22 @@ public class StudentServiceImpl implements StudentService {
 
     @Override
     public Result addStudent(Student student) {
-        return null;
+
+        //TODO:校验数据
+
+        int count = studentMapper.insertStudent(student);
+        return Result.success(count>0);
     }
 
     @Override
     public Result updateStudent(Student student) {
-        return null;
+        int count = studentMapper.updateStudent(student);
+        return Result.success(count>0);
     }
 
     @Override
     public Result deleteStudent(Student student) {
-        return null;
+        int count = studentMapper.deleteStudent(student);
+        return Result.success(count>0);
     }
 }

test05/src/main/resources/test05/mapper/StudentMapper.xml

@@ -22,6 +22,17 @@
         ORDER BY N_STUDENT_ID DESC
         LIMIT (#{page}-1)*#{pageSize},#{pageSize}
     </select>
+    <select id="selectStudentCount" resultType="int">
+        SELECT COUNT(*)
+        FROM t_student
+        WHERE #{id} in (N_STUDENT_ID, -1)
+          AND VC_STUDENT_CODE LIKE CONCAT('%', #{code}, '%')
+          AND VC_STUDENT_NAME LIKE CONCAT('%', #{name}, '%')
+          AND #{sex} in (N_SEX, -1)
+          AND #{grade} in (N_GRADE, -1)
+          AND #{major} in (N_MAJOR, -1)
+          AND VC_DETAIL LIKE CONCAT('%', #{detail}, '%')
+    </select>
     <insert id="insertStudent" useGeneratedKeys="true" keyProperty="id">
         INSERT INTO t_student
             (VC_STUDENT_CODE, VC_STUDENT_NAME, N_SEX, N_GRADE, N_MAJOR, VC_DETAIL)