获取指定时间断系统时间

package com.vodone.subwayzero.util;

import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.GregorianCalendar;

public class Test {

	public static void main(String[] args)throws Exception{
		Calendar begin = new GregorianCalendar();
		Calendar end = new GregorianCalendar();
		Calendar sys = new GregorianCalendar();			// 系统时间
		String startHour = "15:00";						// 开始时间
		String endHour = "15:36";						// 结束时间
		SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd HH:mm");

		StringBuilder start = new StringBuilder();
		start.append(begin.get(Calendar.YEAR))
			 .append("-")
			 .append(begin.get(Calendar.MONTH) + 1)
			 .append("-")
			 .append(begin.get(Calendar.DAY_OF_MONTH))
			 .append(" ")
			 .append(startHour);

		StringBuilder sb = new StringBuilder();
		sb.append(end.get(Calendar.YEAR))
		  .append("-")
		  .append(end.get(Calendar.MONTH) + 1)
		  .append("-")
		  .append(end.get(Calendar.DAY_OF_MONTH))
		  .append(" ")
		  .append(endHour);

		StringBuilder currentDate = new StringBuilder();
		currentDate.append(sys.get(Calendar.YEAR))
				   .append("-")
				   .append(sys.get(Calendar.MONTH) + 1)
				   .append("-")
				   .append(sys.get(Calendar.DAY_OF_MONTH))
				   .append(" ")
				   .append(sys.get(Calendar.HOUR_OF_DAY))
				   .append(":")
				   .append(sys.get(Calendar.MINUTE));

		// 重新设置时间点
		Date d1 = format.parse(start.toString());
		Date d2 = format.parse(sb.toString());

		begin.setTime(d1);
		end.setTime(d2);

		// 获取时间
		long ss = begin.getTimeInMillis();
		long es = end.getTimeInMillis();
		long syss = sys.getTimeInMillis();
		// 如果date的值返回字符为0,则表示时间不在范围之内
		String date = (syss >= ss && syss <= es) ? currentDate.toString() : "0";
		System.out.println("Result-->" + date);
	}

}