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package com.cph.redis;

import redis.clients.jedis.Jedis;

import java.util.Random;

public class PhoneCode {

    //生成6位数字验证码
    public static String getCode(){
        Random random = new Random();
        String code = "";
        for(int i = 0; i < 6; i++){
            code += random.nextInt(10);
        }
        return code;
    }

    //每个手机每天只能发送3次，验证码放到redis中，设置过期时间
    public static void verifyCode(String phone){
        Jedis jedis = new Jedis("121.196.223.94",6379);
        //拼接key
        //手机发送次数
        String countKey = "VerifyCode" + phone + ":count";
        //验证码key
        String codeKey = "VerifyCode" + phone + ":code";
        String count = jedis.get(countKey);
        if(count == null){
            //没有发送过，第一次发送，设置发送次数是1
            jedis.setex(countKey, 24*60*60,"1");
        }else if(Integer.parseInt(count) <= 2){
            jedis.incr(countKey);
        }else{
            //发送三次，不能再发送了
            System.out.println("发送三次，不能再发送了");
            jedis.close();
        }

        //将code存入redis
        String code1 = getCode();
        jedis.setex(codeKey, 120, code1);
        jedis.close();
    }

    public static void getRedisCode(String phone,String code){
        Jedis jedis = new Jedis("121.196.223.94",6379);
        String codeKey = "VerifyCode" + phone + ":code";
        String redisCode = jedis.get(codeKey);

        if(redisCode.equals(code)){
            System.out.println("成功");
        }else{
            System.out.println("失败");
        }
    }
    public static void main(String[] args) {
        verifyCode("13084577878");
    }
}