增加日期风格

4dkankan-common-utils/src/main/java/com/fdkankan/common/util/DateExtUtil.java

@@ -25,6 +25,7 @@ public class DateExtUtil extends DateUtil {
     public static final String dateStyle7 = "yyMMddHHmm";
     public static final String dateStyle8 = "yyyy-MM-dd HH:mm";
     public static final String dateStyle9 = "yyyy.MM.dd";
+    public static final String dateStyle10 = "yyyyMM";
 
     public static Date hoursCalculate(Date beginDate, int hours) {
         return timesCalculate(beginDate, hours, GregorianCalendar.HOUR);