將當前時間轉化爲星期

package com.zjsw.pub;

import java.util.Date;
import java.text.SimpleDateFormat;
/**
 * <p>Title: 將當前時間轉化爲星期</p>
 * <p>Description: </p>
 * <p>Copyright: Copyright (c) 2004</p>
 * <p>Company: </p>
 * @author not attributable
 * @version 1.0
 */

public class Date2Week {
  public Date2Week() {
  }
  public static String date2week(){
    String week = null;
    Date dt = new Date();
    SimpleDateFormat sdformat = new SimpleDateFormat("E");
    week = sdformat.format(dt);
    return week;
  }
  public static String getHour(){
    String hour = null;
    Date dt = new Date();
    SimpleDateFormat sdformat = new SimpleDateFormat("HH");
    hour = sdformat.format(dt);
    return hour;
  }
  public static boolean judgeDate(String week,String hour){
    boolean flag = false;
    String week_1 = Date2Week.date2week();
    String hour_1 = Date2Week.getHour();
    if(week != null){
      week = week.trim();
    }
    if(hour != null){
      hour = hour.trim();
    }
    if(week.equals(week_1) && Integer.parseInt(hour)<=Integer.parseInt(hour_1)){
      flag = true;
    }
    return flag;
  }
  public static String getSysdate(String type){
    String dtime = null;
    Date dt = new Date();
    SimpleDateFormat sdformat = null;
    if(type.equals("day")){
      sdformat = new SimpleDateFormat("yyyy-MM-dd");
    }
    if(type.equals("ss")){
      sdformat = new SimpleDateFormat("yyyyMMddHHmmss");
    }
    dtime = sdformat.format(dt);
    return dtime;
  }

  public static String getSysdate(){
   String dtime = null;
   Date dt = new Date();
   SimpleDateFormat sdformat = new SimpleDateFormat("yyyy-MM-dd hh:mm:ss ");
   dtime = sdformat.format(dt);
   return dtime;
 }

  public static void main(String [] args)throws Exception{
    //String dt = getSysdate("ss");
    //System.out.println("dt"+dt);
    String week = Date2Week.date2week();
    System.out.println("week:"+week);
  }
}