随笔：给定一个日期：yyyy-mm-dd，求出给定日期的下一天日期并输出

import java.util.Calendar;
import java.util.GregorianCalendar;

public class GetNextDayDemo
{

/**
* @param args
*/
public static void main(String[] args)
{
// TODO Auto-generated method stub
Calendar ca=new GregorianCalendar();
int ye=ca.get(Calendar.YEAR);
int mo=ca.get(Calendar.MONTH)+1;
int da=ca.get(Calendar.DAY_OF_MONTH);
String date=ye+"-"+mo+"-"+da;
String[] dateArray=date.split("-");
Integer year=Integer.valueOf(dateArray[0]);
Integer month=Integer.valueOf(dateArray[1]);
Integer day=Integer.valueOf(dateArray[2]);
String nextDay=getNextDay(year,month,day);
System.out.println("The next day is:"+nextDay);

}
public static String getNextDay(int year,int month,int day){

//超过了当月的最大日期
if((day+1)>getDaysInMonth(year,month)){
if(month==12){
return (year+1)+"-01-01";
}
else{
return year+"-"+(month+1)+"-01";
}
}
else{
return year+"-"+month+"-"+(day+1);
}

}
//通过年份和月份，确定对应的月份一共有多少天
public static int getDaysInMonth(int year,int month){
int days=0;
if(month==1||month==3||month==5||month==7||month==8||month==10||month==12){
days=31;
}
else if(month==2){
if(isBissextile(year))days=29;
else days=28;
}else{
days=30;
}
return days;
}
public static boolean isBissextile(int year){

if((year%4==0&&year%100!=0)||(year%400==0))return true;
return false;
}

}