getdate.java

基于j2ee的物流软件

package com.wuliu.dao;

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


public class GetDate
{
	public String getDate(){
		Date now = new Date();
		SimpleDateFormat sdf=new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
		return sdf.format(now);
	}
	public String getDateForStockIoInfo(){
		Date now = new Date();
		SimpleDateFormat ymd=new SimpleDateFormat("yyyy-MM-dd-HH-mm");
		return ymd.format(now);
	}
	
	public String getTime(){
		Date now = new Date();
		SimpleDateFormat ymd=new SimpleDateFormat("yyyy-MM-dd HH-mm");
		return ymd.format(now);
	}
	
	public String getMessageId(){
		Date now = new Date();
		SimpleDateFormat ymd = new SimpleDateFormat("yyMMdd");
		String date = ymd.format(now);
		
		MessageInfoDAO mid = new MessageInfoDAO();
		String messageId = mid.selectMaxMessageId();
		if(messageId.substring(0, 6).equals(date)){
			messageId = messageId.substring(6, 10);
			int id = Integer.parseInt(messageId);
			id = id + 1;
			if(id < 10){
				messageId = "000" + id;
			}else if(id < 100){
				messageId = "00" + id;
			}else if(id < 1000){
				messageId = "0" + id;
			}
			messageId = date + messageId;
		}else{
			messageId = date + "0001";
		}
		return messageId;
	}
}