增加系统管理代码框架

src/main/java/com/rj/controller/sys/UserController.java

@@ -0,0 +1,282 @@
+package com.rj.controller.sys;
+
+import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
+import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
+import com.rj.entity.sys.User;
+import com.rj.service.sys.IUserService;
+import io.swagger.v3.oas.annotations.Operation;
+import io.swagger.v3.oas.annotations.Parameter;
+import io.swagger.v3.oas.annotations.tags.Tag;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.*;
+
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+/**
+ * <p>
+ * 用户表 前端控制器
+ * </p>
+ *
+ * @author 系统生成
+ * @since 2025-08-07
+ */
+@RestController
+@RequestMapping("/api/sys/user")
+@Tag(name = "用户管理", description = "用户管理相关接口")
+public class UserController {
+
+    @Autowired
+    private IUserService userService;
+
+    /**
+     * 新增用户
+     */
+    @PostMapping("/add")
+    @Operation(summary = "新增用户", description = "添加新的用户信息")
+    public ResponseEntity<Map<String, Object>> addUser(
+            @Parameter(description = "用户信息", required = true)
+            @RequestBody User user) {
+        Map<String, Object> result = new HashMap<>();
+        try {
+            boolean success = userService.save(user);
+            if (success) {
+                result.put("success", true);
+                result.put("message", "用户添加成功");
+                result.put("data", user);
+                return ResponseEntity.ok(result);
+            } else {
+                result.put("success", false);
+                result.put("message", "用户添加失败");
+                return ResponseEntity.badRequest().body(result);
+            }
+        } catch (Exception e) {
+            result.put("success", false);
+            result.put("message", "用户添加异常：" + e.getMessage());
+            return ResponseEntity.internalServerError().body(result);
+        }
+    }
+
+    /**
+     * 根据ID查询用户
+     */
+    @GetMapping("/get/{id}")
+    @Operation(summary = "根据ID查询用户", description = "根据用户ID获取用户详细信息")
+    public ResponseEntity<Map<String, Object>> getUserById(
+            @Parameter(description = "用户ID", required = true)
+            @PathVariable Integer id) {
+        Map<String, Object> result = new HashMap<>();
+        try {
+            User user = userService.getById(id);
+            if (user != null) {
+                result.put("success", true);
+                result.put("message", "查询成功");
+                result.put("data", user);
+                return ResponseEntity.ok(result);
+            } else {
+                result.put("success", false);
+                result.put("message", "用户不存在");
+                return ResponseEntity.notFound().build();
+            }
+        } catch (Exception e) {
+            result.put("success", false);
+            result.put("message", "查询异常：" + e.getMessage());
+            return ResponseEntity.internalServerError().body(result);
+        }
+    }
+
+    /**
+     * 根据用户名查询用户
+     */
+    @GetMapping("/getByUserName")
+    @Operation(summary = "根据用户名查询用户", description = "根据用户名查询用户信息")
+    public ResponseEntity<Map<String, Object>> getUserByUserName(
+            @Parameter(description = "用户名", required = true)
+            @RequestParam String userName) {
+        Map<String, Object> result = new HashMap<>();
+        try {
+            LambdaQueryWrapper<User> queryWrapper = new LambdaQueryWrapper<>();
+            queryWrapper.eq(User::getUserName, userName);
+            List<User> userList = userService.list(queryWrapper);
+            result.put("success", true);
+            result.put("message", "查询成功");
+            result.put("data", userList);
+            result.put("count", userList.size());
+            return ResponseEntity.ok(result);
+        } catch (Exception e) {
+            result.put("success", false);
+            result.put("message", "查询异常：" + e.getMessage());
+            return ResponseEntity.internalServerError().body(result);
+        }
+    }
+
+    /**
+     * 分页查询用户列表
+     */
+    @GetMapping("/list")
+    @Operation(summary = "分页查询用户列表", description = "分页查询用户信息列表")
+    public ResponseEntity<Map<String, Object>> getUserList(
+            @Parameter(description = "页码", example = "1")
+            @RequestParam(defaultValue = "1") Integer current,
+            @Parameter(description = "每页大小", example = "10")
+            @RequestParam(defaultValue = "10") Integer size,
+            @Parameter(description = "用户名（模糊查询）")
+            @RequestParam(required = false) String userName,
+            @Parameter(description = "邮箱（模糊查询）")
+            @RequestParam(required = false) String email) {
+        Map<String, Object> result = new HashMap<>();
+        try {
+            Page<User> page = new Page<>(current, size);
+            LambdaQueryWrapper<User> queryWrapper = new LambdaQueryWrapper<>();
+            
+            // 添加查询条件
+            if (userName != null && !userName.trim().isEmpty()) {
+                queryWrapper.like(User::getUserName, userName);
+            }
+            if (email != null && !email.trim().isEmpty()) {
+                queryWrapper.like(User::getEmail, email);
+            }
+            
+            // 按用户ID倒序排列
+            queryWrapper.orderByDesc(User::getUserId);
+            
+            Page<User> userPage = userService.page(page, queryWrapper);
+            
+            result.put("success", true);
+            result.put("message", "查询成功");
+            result.put("data", userPage.getRecords());
+            result.put("total", userPage.getTotal());
+            result.put("current", userPage.getCurrent());
+            result.put("size", userPage.getSize());
+            result.put("pages", userPage.getPages());
+            
+            return ResponseEntity.ok(result);
+        } catch (Exception e) {
+            result.put("success", false);
+            result.put("message", "查询异常：" + e.getMessage());
+            return ResponseEntity.internalServerError().body(result);
+        }
+    }
+
+    /**
+     * 更新用户信息
+     */
+    @PutMapping("/update")
+    @Operation(summary = "更新用户信息", description = "更新用户详细信息")
+    public ResponseEntity<Map<String, Object>> updateUser(
+            @Parameter(description = "用户信息", required = true)
+            @RequestBody User user) {
+        Map<String, Object> result = new HashMap<>();
+        try {
+            if (user.getUserId() == null) {
+                result.put("success", false);
+                result.put("message", "用户ID不能为空");
+                return ResponseEntity.badRequest().body(result);
+            }
+            
+            boolean success = userService.updateById(user);
+            
+            if (success) {
+                result.put("success", true);
+                result.put("message", "用户信息更新成功");
+                result.put("data", user);
+                return ResponseEntity.ok(result);
+            } else {
+                result.put("success", false);
+                result.put("message", "用户信息更新失败");
+                return ResponseEntity.badRequest().body(result);
+            }
+        } catch (Exception e) {
+            result.put("success", false);
+            result.put("message", "更新异常：" + e.getMessage());
+            return ResponseEntity.internalServerError().body(result);
+        }
+    }
+
+    /**
+     * 根据ID删除用户
+     */
+    @DeleteMapping("/delete/{id}")
+    @Operation(summary = "删除用户", description = "根据用户ID删除用户信息")
+    public ResponseEntity<Map<String, Object>> deleteUser(
+            @Parameter(description = "用户ID", required = true)
+            @PathVariable Integer id) {
+        Map<String, Object> result = new HashMap<>();
+        try {
+            boolean success = userService.removeById(id);
+            if (success) {
+                result.put("success", true);
+                result.put("message", "用户删除成功");
+                return ResponseEntity.ok(result);
+            } else {
+                result.put("success", false);
+                result.put("message", "用户删除失败");
+                return ResponseEntity.badRequest().body(result);
+            }
+        } catch (Exception e) {
+            result.put("success", false);
+            result.put("message", "删除异常：" + e.getMessage());
+            return ResponseEntity.internalServerError().body(result);
+        }
+    }
+
+    /**
+     * 批量删除用户
+     */
+    @DeleteMapping("/batchDelete")
+    @Operation(summary = "批量删除用户", description = "根据用户ID列表批量删除用户信息")
+    public ResponseEntity<Map<String, Object>> batchDeleteUsers(
+            @Parameter(description = "用户ID列表", required = true)
+            @RequestBody List<Integer> ids) {
+        Map<String, Object> result = new HashMap<>();
+        try {
+            if (ids == null || ids.isEmpty()) {
+                result.put("success", false);
+                result.put("message", "用户ID列表不能为空");
+                return ResponseEntity.badRequest().body(result);
+            }
+            
+            boolean success = userService.removeByIds(ids);
+            if (success) {
+                result.put("success", true);
+                result.put("message", "批量删除成功，共删除 " + ids.size() + " 条记录");
+                return ResponseEntity.ok(result);
+            } else {
+                result.put("success", false);
+                result.put("message", "批量删除失败");
+                return ResponseEntity.badRequest().body(result);
+            }
+        } catch (Exception e) {
+            result.put("success", false);
+            result.put("message", "批量删除异常：" + e.getMessage());
+            return ResponseEntity.internalServerError().body(result);
+        }
+    }
+
+    /**
+     * 获取用户统计信息
+     */
+    @GetMapping("/statistics")
+    @Operation(summary = "获取用户统计信息", description = "获取用户总数等统计信息")
+    public ResponseEntity<Map<String, Object>> getUserStatistics() {
+        Map<String, Object> result = new HashMap<>();
+        try {
+            long totalCount = userService.count();
+            
+            Map<String, Object> statistics = new HashMap<>();
+            statistics.put("totalUsers", totalCount);
+            
+            result.put("success", true);
+            result.put("message", "统计信息获取成功");
+            result.put("data", statistics);
+            
+            return ResponseEntity.ok(result);
+        } catch (Exception e) {
+            result.put("success", false);
+            result.put("message", "统计信息获取异常：" + e.getMessage());
+            return ResponseEntity.internalServerError().body(result);
+        }
+    }
+}