优化

ruoyi-code/src/main/java/com/ruoyi/code/camera/service/impl/WaterPhotoInfoServiceImpl.java

@@ -15,8 +15,10 @@ import com.ruoyi.common.utils.Query;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 
-import java.text.SimpleDateFormat;
-import java.util.*;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
 
 /**
  * Service业务层处理
@@ -111,11 +113,6 @@ public class WaterPhotoInfoServiceImpl extends ServiceImpl<WaterPhotoInfoMapper,
         }
         return "";
     }
-    public String formatDate(Long d){
-        Date date = new Date(d);
-        SimpleDateFormat sm = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
-        return sm.format(date);
-    }
     public ChartData getChartOptionData(Map<String, Object> params){
         ChartData data = null;
         List<YcData>  dataList = baseMapper.selectWaterData(params);