初始提交：添加分时处理

src/main/java/com/southern/power/grid/entity/DataExcelEntity.java

@@ -1,10 +1,12 @@
 package com.southern.power.grid.entity;
 
 import com.alibaba.excel.annotation.ExcelProperty;
+import com.alibaba.excel.annotation.format.DateTimeFormat;
 import lombok.Data;
 
+import java.time.LocalDateTime;
+
 /**
- * TODO excel导入待完善
  *
  * @author: junzhangfm
  * @date: 2026/3/13
@@ -13,4 +15,34 @@ import lombok.Data;
 public class DataExcelEntity {
     @ExcelProperty(value = "省")
     private String province;
+
+    @ExcelProperty(value = "地市局")
+    private String city;
+
+    @ExcelProperty(value = "区县局")
+    private String district;
+
+    @ExcelProperty(value = "停复电状态")
+    private String outageState;
+
+    @ExcelProperty(value = "停电类别")
+    private String outageType;
+
+    @DateTimeFormat("yyyy-MM-dd HH:mm:ss")
+    @ExcelProperty(value = "停电开始时间")
+    private LocalDateTime startTime;
+
+    @DateTimeFormat("yyyy-MM-dd HH:mm:ss")
+    @ExcelProperty(value = "停电结束时间")
+    private LocalDateTime endTime;
+
+    @ExcelProperty(value = "停电时长")
+    private Float lengthOutage ;
+
+    @ExcelProperty(value = "停电影响用户数")
+    private Integer userCount;
+
+    @DateTimeFormat("yyyy-MM-dd HH:mm:ss")
+    @ExcelProperty(value = "数据创建时间")
+    private LocalDateTime createTime;
 }