learn02

learn1/src/course/CourseDeleteAction.java

@@ -1,6 +1,5 @@
 package course;
 
-import jakarta.servlet.ServletException;
 import jakarta.servlet.annotation.WebServlet;
 import jakarta.servlet.http.HttpServlet;
 import jakarta.servlet.http.HttpServletRequest;

learn1/src/course/CourseEditAction.java

@@ -1,6 +1,5 @@
 package course;
 
-import jakarta.servlet.ServletException;
 import jakarta.servlet.annotation.WebServlet;
 import jakarta.servlet.http.HttpServlet;
 import jakarta.servlet.http.HttpServletRequest;

learn1/src/course/CourseListAction.java

@@ -1,6 +1,5 @@
 package course;
 
-import jakarta.servlet.ServletException;
 import jakarta.servlet.annotation.WebServlet;
 import jakarta.servlet.http.HttpServlet;
 import jakarta.servlet.http.HttpServletRequest;
@@ -13,7 +12,6 @@ import java.util.ArrayList;
 @WebServlet("/CourseListAction")
 public class CourseListAction extends HttpServlet {
     protected void service(HttpServletRequest req, HttpServletResponse resp) throws IOException {
-        String path = req.getContextPath();
         if (req.getSession().getAttribute("user") == null){
             resp.setStatus(403);
             return;

learn1/src/login/UserLogoutAction.java

@@ -1,6 +1,5 @@
 package login;
 
-import jakarta.servlet.ServletException;
 import jakarta.servlet.annotation.WebServlet;
 import jakarta.servlet.http.HttpServlet;
 import jakarta.servlet.http.HttpServletRequest;
@@ -11,7 +10,6 @@ import java.io.IOException;
 @WebServlet("/UserLogoutAction")
 public class UserLogoutAction extends HttpServlet {
     protected void service(HttpServletRequest request, HttpServletResponse response) throws IOException {
-        String username = request.getParameter("username");
         UserInfo user = (UserInfo)request.getSession().getAttribute("user");
         if(user != null) {
             request.getSession().removeAttribute("user");

test04/src/course/courseAddAction.java

@@ -1,6 +1,5 @@
 package course;
 
-import jakarta.servlet.ServletException;
 import jakarta.servlet.annotation.WebServlet;
 import jakarta.servlet.http.HttpServlet;
 import jakarta.servlet.http.HttpServletRequest;
@@ -12,7 +11,6 @@ import java.io.IOException;
 public class courseAddAction extends HttpServlet {
     protected void service(HttpServletRequest req, HttpServletResponse resp) throws IOException {
         courseDB coursedb = new courseDB();
-        int id = Integer.parseInt(req.getParameter("id"));
         courseInfo course = new courseInfo();
         String name = req.getParameter("name");
         int type = Integer.parseInt(req.getParameter("type"));

test04/src/course/courseDeleteAction.java

@@ -1,6 +1,5 @@
 package course;
 
-import jakarta.servlet.ServletException;
 import jakarta.servlet.annotation.WebServlet;
 import jakarta.servlet.http.HttpServlet;
 import jakarta.servlet.http.HttpServletRequest;

test04/src/course/courseEditAction.java

@@ -1,6 +1,5 @@
 package course;
 
-import jakarta.servlet.ServletException;
 import jakarta.servlet.annotation.WebServlet;
 import jakarta.servlet.http.HttpServlet;
 import jakarta.servlet.http.HttpServletRequest;

test04/src/course/courseListAction.java

@@ -1,6 +1,5 @@
 package course;
 
-import jakarta.servlet.ServletException;
 import jakarta.servlet.annotation.WebServlet;
 import jakarta.servlet.http.HttpServlet;
 import jakarta.servlet.http.HttpServletRequest;

test05/src/main/java/test05/config/DatabaseConfig.java

@@ -4,7 +4,6 @@ import com.alibaba.druid.pool.DruidDataSource;
 import jakarta.annotation.PostConstruct;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Component;
-import test05.Test05Application;
 
 import java.io.BufferedReader;
 import java.io.File;

test05/src/main/java/test05/controller/CourseController.java

@@ -1,7 +1,6 @@
 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.Course;

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

@@ -2,7 +2,6 @@ package test05.controller;
 
 import jakarta.servlet.http.HttpSession;
 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;

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

@@ -1,7 +1,6 @@
 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;
@@ -19,7 +18,6 @@ public class studentController {
 
     @RequestMapping("/get")
     public Result get(Student student, Integer page, Integer pageSize) {
-        Result result = new Result();
         if (pageSize == null) {
             pageSize = 10;
         }

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

@@ -1,7 +1,6 @@
 package test05.service.impl;
 
 import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.stereotype.Component;
 import org.springframework.stereotype.Service;
 import test05.mapper.ScoreMapper;
 import test05.pojo.Result;