package com.yikangyiliao.base.utils;

import java.text.SimpleDateFormat;

import java.util.Calendar;

import java.util.Date;

import java.util.Random;

import com.yikangyiliao.pension.entity.User;

/**

* @author liushuaic

* @date 2015/11/18 14:40

* @desc 邀请码生成工具类

* */

public class InvitationCodeGnerateUtil{

private static final String[] storeInvitationChars={"a","c","b","d","f","e","h","i","j","k","l","m","n","o","p"

,"q","r","s","t","u","v","w","x","y","z","0","1","2","3","4","5","6","7","8","9"};

/**

* @author liushuaic

* @date 2015/11/18 14:53

* @desc  生成邀请码

* 格式： 15(年)+01(月)+18(日)+id

* */

public static Integer generateInvitationCode(User user){

Date date=Calendar.getInstance().getTime();

SimpleDateFormat sdf2=new SimpleDateFormat("YYMMdd");

String dateStr= sdf2.format(date);

return Integer.valueOf(dateStr+user.getUserId().toString());

}

/**

* @author liushuaic

* @date 2015/11/26 18:01

* @desc  生成邀请码

* 格式： abcd12

* */

public static String generateInvitationCodeTwo(User user){

String userIdStr=user.getUserId().toString();

int forSize=5-userIdStr.length();

String randomStr="";

for(int i=0;i

Random random=new Random();

int randomIndex=random.nextInt(35);

randomStr=randomStr+storeInvitationChars[randomIndex];

}

return randomStr+userIdStr;

}

public static void main(String[] args) {

//System.out.println(storeInvitationChars.length);

User user=new User();

user.setUserId(12l);

String invitationCode=InvitationCodeGnerateUtil.generateInvitationCodeTwo( user);

System.out.println(invitationCode);

}

}