first commit

commons/commons-util/pom.xml

@@ -5,7 +5,7 @@
        <groupId>com.yihu.ehr</groupId>
        <artifactId>ehr-lib-parent-pom</artifactId>
        <version>1.2.0</version>
        <relativePath>../../pom.xml</relativePath>
        <relativePath>../../ehr-lib-parent-pom/pom.xml</relativePath>
    </parent>
    <artifactId>commons-util</artifactId>

commons/commons-util/src/main/java/com/yihu/ehr/util/datetime/DateUtil.java

@@ -597,6 +597,15 @@ public class DateUtil {
        return formatDate(addDate(add, formatCharDateYMD(sDate, DEFAULT_CHAR_DATE_YMD_FORMAT)), DEFAULT_CHAR_DATE_YMD_FORMAT);
    }
    public static String addDate(int add, String sDate,String pattern) {
        if (sDate.length() < 8) {
            return null;
        }
        return formatDate(addDate(add, formatCharDateYMD(sDate, pattern)), pattern);
    }
    public static Date addMonth(int add, Date d) {