rfid_generate.java

jsp网页

package com.rfid.dao;

import java.util.*;
import java.sql.Date;

public class Rfid_generate {
	private String rfid_id;
	private Date  product_time ;

    public static Date getSqlDate(java.util.Date   date){  
	    return   new   Date(date.getTime());  
	  }   
    public Date getProduct_time(){
    	   Calendar   calendar=Calendar.getInstance();  
    	   product_time=getSqlDate(calendar.getTime());   
    	   return product_time;
    }
    public String getRfid_id(){ 
        Calendar calendar=Calendar.getInstance();
        Random random=new Random();
        ;
        getProduct_time();
    	rfid_id = "xyh_"+random.nextInt();
    	return rfid_id;
    }
    
    public static void main(String args[]){
		System.out.println(new Rfid_generate().getRfid_id());
	}
}