7

src/main/java/com/book/demo/controller/CartController.java

@@ -0,0 +1,4 @@
+package com.book.demo.controller;
+
+public class CartController {
+}

src/main/java/com/book/demo/controller/UserController.java

@@ -32,28 +32,25 @@ public class UserController {
         return res;
     }
 
+    //用户登录
     @ResponseBody
     @PostMapping("/login")
     public Result login(@RequestBody User user){
         System.out.println(user);
         User user1=userMapper.queryUserByusername(user.getUsername());
-        if(user1==null){
+        if (user1 == null) {
             res.setCode(-1);
             res.setMsg("用户不存在");
-            res.data=null;
-        }
-        else if(!user1.getPassword().trim().equals(user.getPassword().trim()))
-        {
+            res.data = null;
+        } else if (!user1.getPassword().trim().equals(user.getPassword().trim())) {
             res.setCode(-2);
             res.setMsg("密码错误");
-            res.data=null;
-        }
-        else if(user.getUserstatus()==0){
+            res.data = null;
+        } else if (user.getUserstatus() == 0) {
             res.setCode(0);
             res.setMsg("用户登录");
             res.data.add(user1);
-        }
-        else{
+        } else {
             res.setCode(1);
             res.setMsg("管理员登录");
             res.data.add(user1);
@@ -61,7 +58,7 @@ public class UserController {
         return res;
     }
 
-
+    //用户注册
     @ResponseBody
     @PostMapping("/register")
     public Result register(@RequestBody User user) {
@@ -74,15 +71,57 @@ public class UserController {
         else{
             user1=user;
             user1.setUserstatus(0);
-            if(userMapper.InsertUser(user1)>0){
+            if (userMapper.InsertUser(user1) > 0) {
                 res.setCode(1);
                 res.setMsg("注册成功");
-            }else{
+            } else {
                 res.setCode(-2);
                 res.setMsg("注册失败，稍后再试");
             }
-            res.data=null;
+            res.data = null;
         }
         return res;
     }
+
+    //用户管理>删除用户
+    @ResponseBody
+    @GetMapping("/delete")
+    public Result DeleteUserByName(@RequestParam("username") String username) {
+        User user1 = userMapper.queryUserByusername(username);
+        if (user1.getUserstatus() == 1) {
+            res.setCode(-1);
+            res.setMsg("管理员账户，无法删除");
+        } else {
+            int num = userMapper.deleteUserByName(username);
+            if (num > 0) {
+                res.setCode(0);
+                res.setMsg("删除成功");
+            } else {
+                res.setCode(-1);
+                res.setMsg("删除失败");
+            }
+        }
+        res.data = null;
+        return res;
+    }
+
+    @ResponseBody
+    @GetMapping("/getalluser")
+    public Result getAllUser() {
+        User[] user = userMapper.queryAllUser();
+        if (user.length <= 0) {
+            res.setCode(-1);
+            res.setMsg("用户数据查询失败");
+            res.data = null;
+        } else {
+            res.setCode(0);
+            res.setMsg("用户数据查询成功");
+            for (User user1 : user) {
+                res.data.add(user1);
+            }
+        }
+        return res;
+    }
+
+
 }

src/main/java/com/book/demo/mapper/BookMapper.java

@@ -1,5 +1,6 @@
 package com.book.demo.mapper;
 
+import com.book.demo.entity.Book;
 import org.apache.ibatis.annotations.Mapper;
 import org.apache.ibatis.annotations.Select;
 import org.springframework.stereotype.Repository;
@@ -11,6 +12,7 @@ import java.util.List;
 @Repository
 public interface BookMapper {
 
+
     @Select("select * from book_list where classify=#{classify}")
     Book[] getBooksByKind(String kind);
 
@@ -19,5 +21,4 @@ public interface BookMapper {
     @Select("select * from book_list where bookname=#{bookname}")
     Book[] searchBooks(String bookname);
 
-
 }