java编程：可视化日历

package cn.bjsxt.test;

import java.text.DateFormat;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.GregorianCalendar;
import java.util.Scanner;

/**
* 可视化日历程序
* @author Administrator
*
*/
public class VisualCalendar {
public static void main(String[] args) {
System.out.println("请输入日期(按照格式：2030-03-10);");
Scanner scanner = new Scanner(System.in);
String temp = scanner.nextLine();
//String temp="2017-3-28";
DateFormat format = new SimpleDateFormat("yyyy-MM-dd");
try {
Date date=format.parse(temp);
Calendar calendar=new GregorianCalendar();
calendar.setTime(date);
int day = calendar.get(Calendar.DATE);
calendar.set(Calendar.DATE, 1);
// System.out.println(calendar.get(Calendar.DAY_OF_WEEK));
// System.out.println();
int maxDate=calendar.getActualMaximum(Calendar.DATE);
System.out.println("日\t一\t二\t三\t四\t五\t六");

for (int i = 1; i < calendar.get(Calendar.DAY_OF_WEEK); i++) {
System.out.print("\t");
}
for (int i = 1; i <=31; i++) {
if(i==day){
System.out.print("*");
}
System.out.print(i+"\t");
int w=calendar.get(Calendar.DAY_OF_WEEK);
if(w==Calendar.SATURDAY){
System.out.print("\n");
}
calendar.add(Calendar.DATE, 1);
}
} catch (ParseException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}

}

}