package com.redis.demo;
import redis.clients.jedis.Jedis;
import java.util.Random;
public class PhoneCode {
public static void main(String[] args) {
// 模拟验证码发送
verifyCode("13899996666");
}
// 3.验证码校验
public static void getRedisCode(String phone, String code) {
// 连接redis
Jedis jedis = new Jedis("127.0.0.1", 6379);
// 验证码key
String codeKey = "VerifyCode" + phone + ":code";
// Redis中验证码
String redisCode = jedis.get(codeKey);
// 判断
if (redisCode.equals(code)) {
System.out.println("成功");
} else {
System.out.println("失败");
}
jedis.close();
}
// 2.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) {
// 连接redis
Jedis jedis = new Jedis("127.0.0.1", 6379);
// 手机发送次数key
String countKey = "VerifyCode" + phone + ":count";
// 验证码key
String codeKey = "VerifyCode" + phone + ":code";
String count = jedis.get(countKey);
System.out.println(count);
if (count == null) {
// 第一次发送,设置发送次数为1
jedis.setex(countKey, 24*60*60, "1");
} else if(Integer.parseInt(count) <= 2) {
// 发送次数加1
jedis.incr(countKey);
} else if(Integer.parseInt(count) > 3){
System.out.println("今天的发送次数已经超过3次");
jedis.close();
}
// 1.发送验证码放到redis
String vcode = getCode();
jedis.setex(codeKey, 120, vcode);
String s = jedis.get(codeKey);
System.out.println(s);
jedis.close();
}
// 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++) {
int rand = random.nextInt(10);
code += rand;
}
return code;
}
}
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