showtime.java

图书管理系统 jsp+tomcat+sql2000

package com.tool;

import java.text.DateFormat;
import java.util.GregorianCalendar;
import java.util.Date;

public class ShowTime {
    private DateFormat dateFormat = DateFormat.getDateInstance(DateFormat.MEDIUM);
    private GregorianCalendar cal = new GregorianCalendar();

//得到当前的时间
    public String showCurrentTime() {
        cal.setTime(new Date());
        return dateFormat.format(cal.getTime());
    }

//以当前时间为主后的几天时间
    public String showLaterTime(int number) {
        cal.add(GregorianCalendar.DATE, number);
        return dateFormat.format(cal.getTime());
    }


}