日期工具类修改

mp-common/src/main/java/com/qs/mp/common/utils/DateUtils.java

@@ -254,7 +254,7 @@ public class DateUtils extends org.apache.commons.lang3.time.DateUtils
  		try {
 			Calendar c = Calendar.getInstance();
 		   	c.setFirstDayOfWeek(Calendar.MONDAY); 
-		   	c.add(Calendar.DATE, - days);
+		   	c.add(Calendar.DATE, - (days - 1));
 		   	return c.getTime(); 
 		} catch (Exception e) {
 			e.printStackTrace();
@@ -270,7 +270,7 @@ public class DateUtils extends org.apache.commons.lang3.time.DateUtils
   		try {
 			Calendar c = Calendar.getInstance();
 		   	c.setFirstDayOfWeek(Calendar.MONDAY); 
-		   	c.add(Calendar.DATE, - days);
+		   	c.add(Calendar.DATE, - (days - 1));
 		   	c.set(Calendar.HOUR_OF_DAY, 0);
 		   	c.set(Calendar.MINUTE, 0);
 		   	c.set(Calendar.SECOND, 0);