项目阶段二：管理员功能

src/main/java/jty/expressdistributionsystem/DTO/SendMessageDTO.java

@@ -0,0 +1,19 @@
+package jty.expressdistributionsystem.DTO;
+
+import com.fasterxml.jackson.databind.annotation.JsonSerialize;
+import com.fasterxml.jackson.databind.ser.std.ToStringSerializer;
+import lombok.Data;
+
+import java.io.Serial;
+import java.io.Serializable;
+
+@Data
+public class SendMessageDTO implements Serializable {
+    @Serial
+    private static final long serialVersionUID = 1L;
+
+    @JsonSerialize(using = ToStringSerializer.class)
+    private Long id;
+
+    private String content;
+}

src/main/java/jty/expressdistributionsystem/DTO/UserModifyPasswordDTO.java

@@ -5,7 +5,7 @@ import jakarta.validation.constraints.Pattern;
 import lombok.Data;
 
 @Data
-public class UserModifyPassword {
+public class UserModifyPasswordDTO {
     @NotBlank(message = "旧密码不能为空")
     @Pattern(regexp = "^.+$")
     private String OldPassword;

src/main/java/jty/expressdistributionsystem/config/MyMetaObjectHandler.java

@@ -17,8 +17,10 @@ public class MyMetaObjectHandler implements MetaObjectHandler {
     @Override
     public void insertFill(MetaObject metaObject) {
         this.strictInsertFill(metaObject, "createTime", LocalDateTime::now, LocalDateTime.class);
+        if (skipUpdateFill.get() == null || !skipUpdateFill.get()) {
             this.strictInsertFill(metaObject, "updateTime", LocalDateTime::now, LocalDateTime.class);
         }
+    }
 
     @Override
     public void updateFill(MetaObject metaObject) {

src/main/java/jty/expressdistributionsystem/controller/AdminController.java

@@ -3,13 +3,13 @@ package jty.expressdistributionsystem.controller;
 import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
 import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
 import jakarta.annotation.Resource;
+import jty.expressdistributionsystem.DTO.SendMessageDTO;
+import jty.expressdistributionsystem.config.MyMetaObjectHandler;
 import jty.expressdistributionsystem.entity.Result;
 import jty.expressdistributionsystem.entity.User;
 import jty.expressdistributionsystem.service.UserService;
-import org.springframework.web.bind.annotation.GetMapping;
+import jty.expressdistributionsystem.utils.SendMessage;
-import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.*;
-import org.springframework.web.bind.annotation.RequestParam;
-import org.springframework.web.bind.annotation.RestController;
 
 @RestController
 @RequestMapping("/admin")
@@ -17,9 +17,9 @@ public class AdminController {
     @Resource
     private UserService userService;
 
-    // 管理员查看用户信息
+    // 管理员查看用户或者快递员信息
     @GetMapping("/userList")
-    public Result<Page<User>> getUserList(@RequestParam int page, @RequestParam int pageSize){
+    public Result<Page<User>> getUserList(@RequestParam int page, @RequestParam int pageSize, @RequestParam int mark) {
         if (page <= 0 || pageSize <= 0) {
             return new Result<>(400, "页码和每页大小必须大于0", null);
         }
@@ -27,11 +27,41 @@ public class AdminController {
         Page<User> pageInfo = new Page<>(page, pageSize);
         LambdaQueryWrapper<User> queryWrapper = new LambdaQueryWrapper<>();
         // 添加查询条件
-        queryWrapper.eq(User::getMark, 0);
+        queryWrapper.eq(User::getMark, mark);
         // 排序
         queryWrapper.orderByDesc(User::getLoginTime)
                 .orderByDesc(User::getCreateTime);
         userService.page(pageInfo, queryWrapper);
         return new Result<>(200, "", pageInfo);
     }
+
+    // 拉黑删除快递员或者用户
+    @DeleteMapping("/delete/{id}")
+    public Result<String> delete(@PathVariable Long id, @RequestParam String operation) {
+        User user = userService.getById(id);
+        switch(operation){
+            // 禁用
+            case "0" -> user.setDisabled(1);
+            // 解除禁用
+            case "1" -> user.setDisabled(0);
+            // 直接删除
+            case "2" -> {
+                userService.removeById(id);
+                return new Result<>(200, "删除成功", "");
+            }
+        }
+        // 禁用自动填充
+        MyMetaObjectHandler.setSkipUpdateFill(true);
+        userService.updateById(user);
+        // 开启自动填充
+        MyMetaObjectHandler.setSkipUpdateFill(false);
+        return new Result<>(200, "操作成功", "");
+    }
+
+    // 管理员发送消息
+    @PostMapping("/sendMessage")
+    public Result<String> sendMessage(@RequestBody SendMessageDTO sendMessageDTO) {
+        SendMessage.sendMessage(sendMessageDTO);
+        return new Result<>(200, "发送成功", "");
+    }
 }

src/main/java/jty/expressdistributionsystem/controller/UserController.java

@@ -5,7 +5,7 @@ import com.baomidou.mybatisplus.core.conditions.update.UpdateWrapper;
 import jakarta.annotation.Resource;
 import jty.expressdistributionsystem.DTO.UserLoginByAccountDTO;
 import jty.expressdistributionsystem.DTO.UserModifyMessageDTO;
-import jty.expressdistributionsystem.DTO.UserModifyPassword;
+import jty.expressdistributionsystem.DTO.UserModifyPasswordDTO;
 import jty.expressdistributionsystem.config.MyMetaObjectHandler;
 import jty.expressdistributionsystem.entity.Result;
 import jty.expressdistributionsystem.entity.User;
@@ -122,20 +122,20 @@ public class UserController {
     // 修改个人密码
     @PutMapping("/rePassword")
     public Result<String> modifyPassword(@RequestHeader("Authorization") String token,
-                                         @RequestBody @Validated @NotNull UserModifyPassword userModifyPassword) {
+                                         @RequestBody @Validated @NotNull UserModifyPasswordDTO userModifyPasswordDTO) {
         // 判断密码
-        if (userModifyPassword.getOldPassword().equals(userModifyPassword.getNewPassword())) {
+        if (userModifyPasswordDTO.getOldPassword().equals(userModifyPasswordDTO.getNewPassword())) {
             return new Result<>(409, "新密码不得和旧密码一致", "");
         }
-        if (!userModifyPassword.getNewPassword().equals(userModifyPassword.getReNewPassword())) {
+        if (!userModifyPasswordDTO.getNewPassword().equals(userModifyPasswordDTO.getReNewPassword())) {
             return new Result<>(409, "两次输入密码不相同", "");
         }
         Long id = GetIdUtil.getId();
         User user = userService.getById(id);
-        if (!user.getIdentity().equals(userModifyPassword.getIdentity())) {
+        if (!user.getIdentity().equals(userModifyPasswordDTO.getIdentity())) {
             return new Result<>(409, "请输入您的身份证", "");
         }
-        user.setPassword(Md5Util.getMD5String(userModifyPassword.getNewPassword()));
+        user.setPassword(Md5Util.getMD5String(userModifyPasswordDTO.getNewPassword()));
         userService.updateById(user);
         // 删除redis当中的token
         stringRedisTemplate.delete(token);

src/main/java/jty/expressdistributionsystem/entity/Message.java

@@ -9,6 +9,7 @@ import org.jetbrains.annotations.NotNull;
 
 import java.io.Serial;
 import java.io.Serializable;
+import java.time.LocalDateTime;
 
 @Data
 public class Message implements Serializable {
@@ -32,6 +33,15 @@ public class Message implements Serializable {
     @JsonSerialize(using = ToStringSerializer.class)
     private Long getUserId;
 
+    @TableField("create_time")
+    private LocalDateTime createTime;
+
+    @TableField("update_time")
+    private LocalDateTime updateTime;
+
     @TableField("mark")
     private Integer mark;
+
+    public Message() {
+    }
 }

src/main/java/jty/expressdistributionsystem/mapper/MessageMapper.java

@@ -0,0 +1,7 @@
+package jty.expressdistributionsystem.mapper;
+
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import jty.expressdistributionsystem.entity.Message;
+
+public interface MessageMapper extends BaseMapper<Message> {
+}

src/main/java/jty/expressdistributionsystem/service/MessageService.java

@@ -0,0 +1,7 @@
+package jty.expressdistributionsystem.service;
+
+import com.baomidou.mybatisplus.extension.service.IService;
+import jty.expressdistributionsystem.entity.Message;
+
+public interface MessageService extends IService<Message> {
+}

src/main/java/jty/expressdistributionsystem/service/impl/MessageServiceImpl.java

@@ -0,0 +1,11 @@
+package jty.expressdistributionsystem.service.impl;
+
+import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+import jty.expressdistributionsystem.entity.Message;
+import jty.expressdistributionsystem.mapper.MessageMapper;
+import jty.expressdistributionsystem.service.MessageService;
+import org.springframework.stereotype.Service;
+
+@Service
+public class MessageServiceImpl extends ServiceImpl<MessageMapper, Message> implements MessageService {
+}

src/main/java/jty/expressdistributionsystem/utils/SendMessage.java

@@ -0,0 +1,21 @@
+package jty.expressdistributionsystem.utils;
+
+import jakarta.annotation.Resource;
+import jty.expressdistributionsystem.DTO.SendMessageDTO;
+import jty.expressdistributionsystem.entity.Message;
+import jty.expressdistributionsystem.service.MessageService;
+import org.jetbrains.annotations.NotNull;
+
+public class SendMessage {
+    @Resource
+    private static MessageService messageService;
+
+    public static void sendMessage(@NotNull SendMessageDTO sendMessageDTO) {
+        Long sendId = GetIdUtil.getId();
+        Message message = new Message();
+        message.setSendUserId(sendId);
+        message.setGetUserId(sendMessageDTO.getId());
+        message.setContent(sendMessageDTO.getContent());
+        messageService.save(message);
+    }
+}