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){
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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){
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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