#G:获取设备为空返回 状态码3000

smart-campus/src/main/java/yangtz/cs/liu/wechat/controller/equipment/EquipmentLeaseController.java

@@ -64,8 +64,12 @@ public class EquipmentLeaseController {
     LambdaQueryWrapper<SchoolEquipmentLedger> wrapper =  new LambdaQueryWrapper<>();
     wrapper.eq(SchoolEquipmentLedger::getEncode,encode);
     SchoolEquipmentLedger one = iEquipmentService.getOne(wrapper);
+    if (one==null){
+      return new AjaxResult(3000,"设备信息未找到");
+    }else {
       return AjaxResult.success(one);
     }
+  }
 
   /**
    * 我的借用记录