DateUtil添加注释

public/src/main/java/com/lantone/qc/pub/util/DateUtil.java

@@ -736,6 +736,11 @@ public class DateUtil {
         }
     }
 
+    /**
+     * 时分秒清零
+     * @param date
+     * @return
+     */
     public static Date dateZeroClear(Date date){
         Calendar calendar = Calendar.getInstance();
         calendar.setTime(date);