简单登录功能

wisenergy-mapper/src/main/java/cn/wisenergy/mapper/UsersMapper.java

@@ -43,4 +43,9 @@ public interface UsersMapper extends BaseMapper<User> {
 
     List<User> getList(Map<String, Object> map);
 
+    List<User> findAll();
+    User findByName(String name);
+    String findPswByName(String UserName);
+    void save(User user);
+
 }

wisenergy-mapper/src/main/resources/mapper/UsersMapper.xml

@@ -144,4 +144,25 @@
             limit #{pageNo},#{pageSize}
         </where>
     </select>
+
+        <!--查询全部-->
+        <select id="findAll" resultType="User">
+        select * from User
+        </select>
+
+        <!--查询用户-->
+        <select id="findByName" resultType="User">
+        select * from User where user_id = #{userId}
+        </select>
+
+        <!--查询密码-->
+        <select id="findPswByName" resultType="String">
+        select password from user where user_id = #{userId}
+        </select>
+
+        <!--用户添加-->
+        <insert id="save">
+        insert into user(user_id,password) value (#{userId},#{password})
+        </insert>
+
 </mapper>

wisenergy-service/src/main/java/cn/wisenergy/service/app/impl/UserService.java

+package cn.wisenergy.service.app.impl;
+
+import cn.wisenergy.common.utils.R;
+import cn.wisenergy.mapper.UsersMapper;
+import cn.wisenergy.model.app.User;
+import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+import java.util.List;
+
+/**
+ * @ Description: 用户接口实现
+ * @ Author     : 86187
+ * @ Date       : 2021/1/6 16:11
+ * @author 86187
+ */
+@Service
+@Slf4j
+public class UserService extends ServiceImpl<UsersMapper, User> {
+
+    @Autowired
+    private UsersMapper userMapper;
+
+
+    public String login(User user){//TODO：登陆逻辑函数
+        try {
+            User userExistN = userMapper.findByName(String.valueOf(user.getUserId()));
+            if (userExistN != null){
+                String userExistP = userMapper.findPswByName(String.valueOf(user.getUserId()));
+                if (userExistP.equals(user.getPassword())){
+                    return user.getUserId()+" 用户登录成功,欢迎您！";
+                }else {
+                    return "登陆失败,密码错误！";
+                }
+            }else {
+                return "登陆失败，账户不存在";
+            }
+        }catch (Exception e) {
+            e.printStackTrace();
+            return e.getMessage();
+        }
+    }
+
+    public String regist(User user){//TODO：注册判断逻辑函数
+        try{
+            User userExist = userMapper.findByName(String.valueOf(user.getUserId()));
+            if (user.getUserId().equals("")){
+                return "账户名不能为空";
+            }else if (user.getPassword().equals("")){
+                return "密码不能为空";
+            }else if (userExist != null){
+                return "账户已经存在";
+            }else {
+                userMapper.save(user);
+                return "注册成功";
+            }
+        }catch (Exception e){
+            e.printStackTrace();
+            return e.getMessage();
+        }
+    }
+}

wisenergy-web-admin/src/main/java/cn/wisenergy/controller/UserController.java

+package cn.wisenergy.controller;
+import cn.wisenergy.model.app.User;
+import cn.wisenergy.service.app.impl.UserService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+import springfox.documentation.swagger2.annotations.EnableSwagger2;
+
+/**
+ * Created by m1991 on 2021/2/23 15:45
+ */
+@EnableSwagger2
+@RestController
+@RequestMapping("/sys")
+public class UserController {
+    @Autowired
+    UserService userService;
+
+    /**
+     * 登录
+     */
+    @PostMapping("/login")
+    public String login(User user){
+        return
+                userService.login(user);
+    }
+
+    /**
+     * 注册
+     * @param user
+     * @return
+     */
+    @PostMapping("/regist")
+    public String regist(User user){
+        return userService.regist(user);
+    }
+}
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