获取本月的休息日和周末的日期代码,Java代码库,德仔网

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【Java】获取本月的休息日和周末的日期

作者:liuwbCoder / 发布于2014/10/8/ 518

工具类：可以获取本月的休息日（包含法定节假日）和周末的日期，运行时需要联网


	import java.io.BufferedReader;
	import java.io.InputStream;
	import java.io.InputStreamReader;
	import java.net.URL;
	import java.text.SimpleDateFormat;
	import java.util.Calendar;
	import java.util.Date;
	import java.util.GregorianCalendar;
	
	/**
	* 可以获取本月的休息日和周末的日期
	* @author liuwenbin
	*
	*/
	public class RestDayUtil {
	 /**
	 * 获取本月的休息日（包含法定节假日和周末）
	 * @return 休息日（格式:2014-09-06/2014-09-07/2014-09-08/）
	 */
	 public String getRestDays() {
	 try {
	 URL url=new URL("http://tools.2345.com/rili.htm");
	 url.openConnection();
	 InputStream inputStream=url.openStream();
	 InputStreamReader inputStreamReader=new InputStreamReader(inputStream);
	 BufferedReader bufferedReader=new BufferedReader(inputStreamReader);
	 String line=bufferedReader.readLine();
	 String result="";
	
	 Calendar cal = Calendar.getInstance();
	 cal.set(GregorianCalendar.DAY_OF_MONTH, 1);
	 Date firstDay=cal.getTime();
	 firstDay.setMinutes(0);
	 firstDay.setHours(0);
	 firstDay.setSeconds(0);
	 SimpleDateFormat format1=new SimpleDateFormat("yyyy-MM");
	 String dateString=format1.format(firstDay)+"-";
	 while(null!=line){
	 if(line.contains("class")&&line.contains("onclick")&&(line.contains("weekend")||line.contains("rest"))){
	 result=line;
	 break;
	 }
	 line=bufferedReader.readLine();
	 }
	 if(!"".equals(result)){
	 String[] strings=result.split("</li>");
	 result="";
	 for (String string : strings) {
	 if(!string.contains("cross_month")&&(string.contains("weekend")||string.contains("rest"))){
	 int time=Integer.parseInt(string.substring(string.indexOf("class=\"solar\">")+14,string.indexOf("</div><span")));
	 if(time<10){
	 result+=dateString+"0"+time+"/";
	 }else {
	 result+=dateString+time+"/";
	 }
	 }
	 }
	 }
	 return result;
	 } catch (Exception e) {
	 e.printStackTrace();
	 }
	 return null;
	 }
	 /**
	 * 获取本月周末的日期
	 * @return 周末日期（格式:2014-09-06/2014-09-07/2014-09-08/）
	 */
	 public String getWeekEnd(){
	 Date date=new Date();
	 int dayNum=getDayNum();
	 int month=date.getMonth()+1;
	 //获得一个月的总天数
	 //获取第一天
	 Calendar cal = Calendar.getInstance();
	 cal.set(GregorianCalendar.DAY_OF_MONTH, 1);
	 Date firstDay=cal.getTime();
	 firstDay.setMinutes(0);
	 firstDay.setHours(0);
	 firstDay.setSeconds(0);
	 //firstDay.setSeconds(new Date(firstDay.getTime()+*1000*60*60*24).toLocaleString());
	 SimpleDateFormat dateFormat=new SimpleDateFormat("yyyy-MM-dd");
	 //更新加班和调休
	 StringBuffer result=new StringBuffer();
	 Date currentDate=null;
	 for (int i = 0; i < dayNum; i++) {
	 currentDate=new Date(firstDay.getTime()+(i*1000*60*60*24l));
	 if(currentDate.getDay()==0||currentDate.getDay()==6){
	 result.append(dateFormat.format(currentDate));
	 result.append("/");
	 }
	 }
	 return result.toString();
	 }
	 /**
	 * 获取本月的总天数
	 * @return 本月的总天数
	 */
	 private int getDayNum() {
	 Calendar rightNow = Calendar.getInstance();
	 rightNow.setTime(new Date());
	 int days = rightNow.getActualMaximum(Calendar.DAY_OF_MONTH);
	 return days;
	 }
	}

试试其它关键字

　周末　　休息日　

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