Ò׽ؽØÍ¼Èí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

JAVA ÈÕÆÚ¹¤¾ßÀà

package com.gamvan.tools;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Calendar;
public class FormatDateTime {

/**
* ÈÕÆÚÀà²Ù×÷¹¤¾ß
*/
public static String formatDateTime(String ymd){
//¸ñʽ»¯µ±Ç°Ê±¼ä
java.text.SimpleDateFormat isNow = new java.text.SimpleDateFormat(ymd);
String now = isNow.format(new java.util.Date());
return now;
}

public static String formatDateTime(String ymd, String datetime){
//¸ñʽ»¯µ±Ç°Ê±¼ä
java.text.SimpleDateFormat isNow = new java.text.SimpleDateFormat(ymd);
String now = "";
try{
isNow.format(datetime);
}catch(Exception e){
e.printStackTrace();
}
return now;
}

/* ±È½Ïµ±Ç°ÈÕÆÚºÍÖ¸¶¨ÈÕÆÚ return boolean
* Èç¹ûµ±Ç°ÈÕÆÚÔÚÖ¸¶¨ÈÕÆÚÖ®ºó·µ»Øtrue·ñÔò·µ»Øflase
*/
public static boolean dateCompare(String str){
boolean bea = false;
SimpleDateFormat sdf_d = new SimpleDateFormat("yyyy-MM-dd");
String isDate = sdf_d.format(new java.util.Date());
java.util.Date date1;
java.util.Date date0;
try {
date1 = sdf_d.parse(str);
date0= sdf_d.parse(isDate);
if(date0.after(date1)){
bea = true;
}
} catch (ParseException e) {
bea = false;
}
return bea;
}


/*
* ±È½Ïµ±Ç°Ô·ݺÍÖ¸¶¨Ô·Ý
* Èç¹ûµ±Ç°Ô·ÝÔÚÖ¸¶¨Ô·ÝÖ®ºó·µ»Øtrue·ñÔò·µ»Øflase
*/
public static boolean monthCompare(String str){
boolean bea = false;
SimpleDateFormat sdf_m = new SimpleDateFormat("yyyy-MM");
String isMonth = sdf_m.format(new java.util.Date());
java.util.Date date1;
java.util.Date date0;
try {
date1 = sdf_m.parse(str);
date0= sdf_m.parse(isMonth);
if(date0.after(date


Ïà¹ØÎĵµ£º

Java heap space ½â¾ö·½·¨

ÒòΪ³ÌÐòÒª´ÓÊý¾Ý¶ÁÈ¡½ü10WÐмǼ´¦Àí£¬µ±¶Áµ½9WµÄʱºò¾Í³öÏÖ java.lang.OutOfMemoryError: Java heap space ÕâÑùµÄ´íÎó¡£
ÔÚÍøÉÏÒ»²é¿ÉÄÜÊÇJAVAµÄ¶ÑÕ»ÉèÖÃ̫СµÄÔ­Òò¡£
¸ú¾ÝÍøÉϵĴ𰸴óÖÂÓÐÕâÁ½ÖÖ½â¾ö·½·¨£º
1¡¢ÉèÖû·¾³±äÁ¿
 set JAVA_OPTS= -Xms32m -Xmx512m
¿ÉÒÔ¸ù¾Ý×Ô¼º»úÆ÷µÄÄÚ´æ½øÐиü¸Ä,µ«±¾È˲âÊÔÕâÖÖ· ......

JAVAÖÐDWR¿ª·¢ÏîĿʵս¾­Ñé


×Ô¼ºÔÚ¹«Ë¾ÍøÕ¾¿ª·¢×ÜÓÃDWR¿ª·¢µÄÒ»¸ö¼òµ¥ÁÄÌì
±¾ÈËÒ²ÊÇÔÚÍøÕ¾¿ª·¢µØÍ¼Ê±Óе½ÁËÕâ¸ö¼¼Êõ£¬¸ÕѧϰDWR°ë¸öÔÂ
¾Í°ÑËæÊÖдµÄÒ»¸ö¼òµ¥ÁÄÌìÀ´¸ø´ó¼Ò¹²Ïí£¬Çдèһϡ£
ÓÉÓÚ¿¼Âǵ½Ä³Ð©¾Ö²¿Ô­Òò£¬Ö»·¢±íÁËÒ»Ð©ÖØÒª¼¼Êõ·½ÃæµÄ×ÊÁÏ£¬Ã»ÓаÑÈ«²¿¶«Î÷¹²Ïí¡£Çë¸öÈËÌåÁ¡£
ÓÉÓÚDWR2.0ÓиöBug £¬ÎÒÓõÄDWR1.0£¬µ«ÊÇ£¬Ëü±ØÐëÓÃJDK1.4
......

¸÷ÖÖJavaÖÐÎÄתÂëµÄÀý×Ó£¬ÓÃÀ´¶Ô¸¶ÂÒÂë

 ¸÷ÖÖJavaÖÐÎÄתÂëµÄÀý×Ó£¬ÓÃÀ´¶Ô¸¶ÂÒÂë
public class HelloWorld
{
   public static void main(String[] argv){
     try{
       System.out.println("ÖÐÎÄ1");    //1
       System.out.p ......

java ¶ÓÁÐʵÏÖ

¶ÓÁÐÆäʵ ËùÖ¸Éú»îÖÐÅŶӵÄÏÖÏó£¬È¥É̳¡¹ºÎ¸¶¿îʱÐèÒªÅŶӣ¬ Âò·¹Ê±ÐèÒªÅŶӣ¬ ºÃ¶àÊÂÇé¶¼ÊÇÐèÒªÅŶӣ¬ ÅÅÔÚµÚһλµÄÔòÏÈ´¦Àí£¬½áÊøºó£¬ ºóÃæµÄÈ˶¼ÏñÇ°ÒÆ¶¯Ò»Î»£¬ÔÚ¿ª·¢ÖÐÒ²ÓкöàÕâÑùµÄÊÂÇéÐèÒª´¦Àí£¬ÈçÎļþµÄÏÂÔØ£¬¶ÌÐŵķ¢Ë͹¦ÄÜ£¬ µÈÕâЩ¶¼ÊÇÐèÒª¶ÓÁз½Ê½ÊµÏÖ¡£ºÃÁË£¬ ·Ï»°²»¶à˵£¬ ÏêÇé¼ûÏÂÃæ´úÂ룡
package com. ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ