java ³£Óù¤¾ßÀà
DateTimeHelper ʱ¼ä×é¼þ
/**
*
*/
package com.ibm08001.bbs.utils;
import java.text.SimpleDateFormat;
import java.util.Date;
/**
*
*/
public class DateTimeHelper {
private static SimpleDateFormat FULL_SDF = new SimpleDateFormat(
"yyyy-MM-dd HH:mm:ss");
private static SimpleDateFormat DFULL_SDF = new SimpleDateFormat(
"yyyy-MM-dd");
private static SimpleDateFormat DFULL_SDF_SLASH = new SimpleDateFormat(
"yyyy/MM/dd HH:mm");
private static SimpleDateFormat FULL_SDF_NOSP = new SimpleDateFormat(
"yyyyMMddHHmm");
private static SimpleDateFormat DFULL_SDF_CN = new SimpleDateFormat(
"yyyyÄêMMÔÂddÈÕ");
private static SimpleDateFormat ONLY_TIME = new SimpleDateFormat("HH:mm");
private static SimpleDateFormat MD_TIME = new SimpleDateFormat("MM-dd");
public static String getMDTime(Date date) {
if (date != null) {
return MD_TIME.format(date);
} else {
return "";
 
Ïà¹ØÎĵµ£º
ÓÐʱºò£¬ÎÒÃÇ¿ÉÄÜÏëÒª¹¹ÔìÒ»¸öºÜ³éÏóµÄ¸¸Àà¶ÔÏó£¬Ëü¿ÉÄܽö½ö´ú±íÒ»¸ö·ÖÀà»ò³éÏó¸ÅÄËüµÄʵÀýûÓÐÈκÎÒâÒ壬Òò´Ë²»Ï£ÍûËüÄܱ»ÊµÀý»¯¡£ÀýÈ磺ÓÐÒ»¸ö¸¸Àà“ Ë®¹û£¨Fruit£©”£¬ËüÓм¸¸ö×ÓÀà“Æ»¹û£¨Apple£©”¡¢“éÙ×Ó£¨Orange£©”¡¢“Ïã½¶£¨Banana£©”µÈ¡£Ë®¹ûÔÚÕâÀï½ö½öÖ»ÊÇ×÷Ϊһ¸ ......
ÄÚ²¿Àà
1.ÄÚ²¿ÀàÔÊÐí¶¨Òåstatic³ÉԱô£¿ÎªÊ²Ã´£¿
2.ÄÚ²¿ÀàÓÐûÓжà̬ÐÔ£¿
Òì³£´¦Àí
1.ÅÉÉúÀ๹ÔìÆ÷ÊÇ·ñ»á²¶»ñµ½»ùÀ๹ÔìÆ÷Å׳öµÄÒì³££¿
2.ÈçºÎÓÃÒì³£ÀàµÄinitCause·½·¨ÊµÏÖÒì³£Á´£¿
ÐòÁл¯
1.static³ÉÔ±ÊÇ·ñ»á±»ÐòÁл¯£¿
2.ÊÇ·ñÔÊÐí»ùÀ಻¿ÉÐòÁл¯¶øÅÉÉúÀà¿ÉÐòÁл¯£¿ ......
1. java.lang.nullpointerexception
¡¡¡¡Õâ¸öÒì³£´ó¼Ò¿Ï¶¨¶¼¾³£Óöµ½£¬Òì³£µÄ½âÊÍÊÇ"³ÌÐòÓöÉÏÁË¿ÕÖ¸Õë"£¬¼òµ¥µØËµ¾ÍÊǵ÷ÓÃÁËδ¾³õʼ»¯µÄ¶ÔÏó»òÕßÊDz»´æÔڵĶÔÏó£¬Õâ¸ö´íÎó¾³£³öÏÖÔÚ´´½¨Í¼Æ¬£¬µ÷ÓÃÊý×éÕâЩ²Ù×÷ÖУ¬±ÈÈçͼƬδ¾³õʼ»¯£¬»òÕßͼƬ´´½¨Ê±µÄ·¾¶´íÎóµÈµÈ¡£¶ÔÊý×é²Ù×÷ÖгöÏÖ¿ÕÖ¸Õ룬ºÜ¶àÇé¿öÏÂÊÇһЩ¸Õ¿ªÊ¼Ñ§ ......