ジェディスはRedisを操作してCaptcha配信をシミュレートする

//Start the server
redis-server /etc/redis.conf
//Start the client
redis-cli

<dependencies>
        <dependency>
            <groupId>redis.clients</groupId>
            <artifactId>jedis</artifactId>
            <version>3.2.0</version>
        </dependency>
    </dependencies>

public class JedisDemo1 {
    public static void main(String[] args) {
        Jedis jedis = new Jedis("xx.xxx.xx.xx",6379);
        //If redis is configured with a password, enter it here or the connection will fail
        jedis.auth("xxxx");
        String value = jedis.ping();
        System.out.println(value);
    }
}

public class PhoneCode {
    public static void main(String[] args) {

            verifyCode("12345678900");
            // verify that the verification code is correct
// GetRedisCode("12345678900","940487");
    }

    // 1. Generate six-digit verification code
    public static String getCode(){
        Random random = new Random();
        String Code = "";
        for (int i = 0; i < 6; i++) {
            int i1 = random.nextInt(10);
            Code = Code +i1;
        }
        return Code;
    }

    / / 2. Each phone can only send three times a day, verification code into the redis, set the expiration time
    public static void verifyCode(String phone){
        //connect redis
        Jedis jedis = new Jedis("172.18.17.215",6379);
        jedis.auth("1052600676");
        // first customize the two keys, thus assigning a value to the key by the later steps
        // Phone send number
        String CountKey = phone+"count";
        //authentication code key
        String CodeKey = phone + "code";

        //each phone can only send three times a day
        //Check if there is value by key
        String count = jedis.get(CountKey);
        if (count == null){
            //there is no send count, that means it is the first time to send, then set the send count to 1
            jedis.setex(CountKey,24*60*60,"1");
        }else if (Integer.parseInt(count) <= 2){
            jedis.incr(CountKey);
        }else if (Integer.parseInt(count) > 2){
            System.out.println("Captcha more than three times, can not send ");
            jedis.close();
            return;
        }

        //set expiration time
        //value
        String codee = getCode();

        jedis.setex(CodeKey,120,codee);
        jedis.close();

    }

    / / 3. verification code verification
    public static void GetRedisCode(String phone,String code){
        //connect redis
        Jedis jedis = new Jedis("172.18.17.215",6379);
        jedis.auth("1052600676");

        //authentication code key
        String CodeKey = phone + "code";
        String RedisCode = jedis.get(CodeKey);

        if (RedisCode.equals(code)){
            System.out.println("success");
        }else{
            System.out.println("failed");
        }
        jedis.close();
    }

}

jedis.set("k1", "v1");
	jedis.set("k2", "v2");
	jedis.set("k3", "v3");
		
	Set<String> keys = jedis.keys("*");

	System.out.println(keys.size());

	for (String key : keys) {
		System.out.println(key);
	}

	System.out.println(jedis.exists("k1"));
	System.out.println(jedis.ttl("k1"));                
	System.out.println(jedis.get("k1"));

jedis.mset("str1","v1","str2","v2","str3","v3");
	
	System.out.println(jedis.mget("str1","str2","str3"));

List<String> list = jedis.lrange("mylist",0,-1);
	
	for (String element : list) {
		System.out.println(element);
	}

jedis.sadd("orders", "order01");
	jedis.sadd("orders", "order02");
	jedis.sadd("orders", "order03");
	jedis.sadd("orders", "order04");
	
	Set<String> smembers = jedis.smembers("orders");
	
	for (String order : smembers) {
		System.out.println(order);
	}
	
	jedis.smembers("orders", "order02");

jedis.hset("hash1","userName","lisi");
	System.out.println(jedis.hget("hash1","userName"));
	
	Map<String,String> map = new HashMap<String,String>();
	
	map.put("telphone","13810169999");
	map.put("address","atguigu");
	map.put("email","[email protected]");
	
	jedis.hmset("hash2",map);
	
	List<String> result = jedis.hmget("hash2","telphone","email");
	
	for (String element : result) {
		System.out.println(element);
	}

jedis.zadd("zset01", 100d, "z3");
	jedis.zadd("zset01", 90d, "l4");
	jedis.zadd("zset01", 80d, "w5");
	jedis.zadd("zset01", 70d, "z6");
 
	Set<String> zrange = jedis.zrange("zset01", 0, -1);
	
	for (String e : zrange) {
		System.out.println(e);
	}