用户登陆功能实现，基本接口鉴权功能实现

src/main/java/com/yupi/springbootinit/controller/UserController.java

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+package com.yupi.springbootinit.controller;
+
+import cn.dev33.satoken.stp.StpUtil;
+import cn.hutool.core.bean.BeanUtil;
+import com.yupi.springbootinit.common.BaseResponse;
+import com.yupi.springbootinit.common.ErrorCode;
+import com.yupi.springbootinit.common.ResultUtils;
+import com.yupi.springbootinit.exception.BusinessException;
+import com.yupi.springbootinit.model.dto.user.SystemUsersDTO;
+import com.yupi.springbootinit.model.entity.SystemUsers;
+import com.yupi.springbootinit.model.enums.CommonStatusEnum;
+import com.yupi.springbootinit.model.vo.user.SystemUsersVO;
+import com.yupi.springbootinit.service.SystemUsersService;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.web.bind.annotation.*;
+
+import javax.annotation.Resource;
+
+/*
+ * @author: ziin
+ * @date: 2025/6/11 19:50
+ */
+@RestController
+@RequestMapping("/user")
+@Slf4j
+@CrossOrigin
+public class UserController {
+
+
+    @Resource
+    private SystemUsersService usersService;
+
+    // 测试登录，浏览器访问： http://localhost:8081/user/doLogin?username=zhang&password=123456
+    @PostMapping("doLogin")
+    public BaseResponse<SystemUsersVO> doLogin(@RequestBody SystemUsersDTO usersDTO) {
+        SystemUsers user = usersService.getUserByUserName(usersDTO.getUsername());
+        if (user == null) {
+            throw new BusinessException(ErrorCode.USERNAME_OR_PASSWORD_ERROR);
+        }
+
+        if (!usersService.isPasswordMatch(usersDTO.getPassword(), user.getPassword())) {
+            throw new BusinessException(ErrorCode.USERNAME_OR_PASSWORD_ERROR);
+        }
+
+        if (CommonStatusEnum.isDisable(user.getStatus())) {
+            throw new BusinessException(ErrorCode.USER_DISABLE);
+        }
+        SystemUsersVO systemUsersVO = new SystemUsersVO();
+        BeanUtil.copyProperties(user, systemUsersVO);
+        StpUtil.login(user.getId());
+        return ResultUtils.success(systemUsersVO);
+    }
+
+//    // 查询登录状态，浏览器访问： http://localhost:8081/user/isLogin
+//    @RequestMapping("isLogin")
+//    public String isLogin() {
+//        return "当前会话是否登录：" + StpUtil.isLogin();
+//    }
+}