修改查询设备分类接口

amos-boot-system-tzs/amos-boot-module-statistics/amos-boot-module-statistics-biz/src/main/java/com/yeejoin/amos/boot/module/statistcs/biz/controller/ComprehensiveStatisticalAnalysisController.java

@@ -6,7 +6,6 @@ import com.yeejoin.amos.boot.module.statistcs.biz.service.impl.ComprehensiveStat
 import io.swagger.annotations.Api;
 import io.swagger.annotations.ApiOperation;
 import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.util.ObjectUtils;
 import org.springframework.web.bind.annotation.PostMapping;
 import org.springframework.web.bind.annotation.RequestBody;
 import org.springframework.web.bind.annotation.RequestMapping;
@@ -35,6 +34,7 @@ public class ComprehensiveStatisticalAnalysisController extends BaseController {
 
     /**
      * 查询设备分类
+     *
      * @param category
      * @return
      */
@@ -42,10 +42,8 @@ public class ComprehensiveStatisticalAnalysisController extends BaseController {
     @PostMapping(value = "/select/equipmentCategory")
     @ApiOperation(httpMethod = "POST", value = "查询设备分类", notes = "查询设备分类")
     public ResponseModel<List<Map<String, Object>>> queryEquipmentCategory(@RequestBody JSONObject category) {
-        if(ObjectUtils.isEmpty(category) || category.getString("key") == null){
-            return null;
-        }
-        return ResponseHelper.buildResponse(comprehensiveStatisticalAnalysisServiceImpl.queryEquipmentCategory(category.getString("key")));
+        String key = category.getString("key") == null ? null : category.getString("key");
+        return ResponseHelper.buildResponse(comprehensiveStatisticalAnalysisServiceImpl.queryEquipmentCategory(key));
     }