MyBatisPlus实现故障类型查询

february-fault-server/src/main/java/com/february/fault/controller/FaultTypeController.java

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+package com.february.fault.controller;
+
+/**
+ * @program: february-fault-information
+ * @description: 故障类型
+ * @author: Mr.Wang
+ * @create: 2023-11-21 19:59
+ **/
+
+import com.february.fault.domain.FaultType;
+import com.february.fault.result.Result;
+import com.february.fault.service.FaultTypeService;
+import lombok.extern.log4j.Log4j2;
+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.RequestParam;
+import org.springframework.web.bind.annotation.RestController;
+
+import javax.servlet.http.HttpServletRequest;
+
+/**
+ * 故障类型
+ */
+@Log4j2
+@RestController
+@RequestMapping("/faultType")
+public class FaultTypeController {
+    @Autowired
+    private FaultTypeService faultTypeService;
+    @Autowired
+    private HttpServletRequest request;
+    @PostMapping("/findById")
+    public Result<FaultType> findById(@RequestParam Integer faultTypeId){
+        log.info("功能名称：根据id查询故障类型信息，请求路径：{}，请求方式：{}",request.getRequestURI(),request.getMethod());
+        Result<FaultType> result=faultTypeService.findById(faultTypeId);
+        log.info("响应结果：{}",result);
+        return result;
+    }
+}

february-fault-server/src/main/java/com/february/fault/mapper/FaultTypeMapper.java

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+package com.february.fault.mapper;
+
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import com.february.fault.domain.FaultType;
+
+/**
+ * @program: february-fault-information
+ * @description:
+ * @author: Mr.Wang
+ * @create: 2023-11-21 20:01
+ **/
+public interface FaultTypeMapper extends BaseMapper<FaultType> {
+}

february-fault-server/src/main/java/com/february/fault/service/FaultTypeService.java

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+package com.february.fault.service;
+
+import com.baomidou.mybatisplus.extension.service.IService;
+import com.february.fault.domain.FaultType;
+import com.february.fault.result.Result;
+
+/**
+ * @program: february-fault-information
+ * @description:
+ * @author: Mr.Wang
+ * @create: 2023-11-21 20:00
+ **/
+public interface FaultTypeService extends IService<FaultType> {
+    Result<FaultType> findById(Integer faultTypeId);
+}

february-fault-server/src/main/java/com/february/fault/service/impl/FaultTypeServiceImpl.java

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+package com.february.fault.service.impl;
+
+import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
+import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+import com.february.fault.domain.FaultType;
+import com.february.fault.mapper.FaultTypeMapper;
+import com.february.fault.result.Result;
+import com.february.fault.service.FaultTypeService;
+import lombok.extern.log4j.Log4j2;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+/**
+ * @program: february-fault-information
+ * @description:
+ * @author: Mr.Wang
+ * @create: 2023-11-21 20:00
+ **/
+@Log4j2
+@Service
+public class FaultTypeServiceImpl extends ServiceImpl<FaultTypeMapper, FaultType> implements FaultTypeService {
+    @Autowired
+    private FaultTypeMapper faultTypeMapper;
+    @Override
+    public Result<FaultType> findById(Integer faultTypeId) {
+        QueryWrapper<FaultType> faultTypeQueryWrapper = new QueryWrapper<>();
+        QueryWrapper<FaultType> faultTypeId1 = faultTypeQueryWrapper.eq("fault_type_id", faultTypeId);
+        FaultType faultType = faultTypeMapper.selectOne(faultTypeId1);
+        return Result.success(faultType);
+    }
+}