Redis6入门到实战------ 六、Redis_Jedis_测试

1 Jedis所需要的jar包

在pom文件中引入依赖

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

2 连接Redis注意事项

禁用Linux的防火墙：Linux(CentOS7)里执行命令
systemctl stop/disable firewalld.service
redis.conf中注释掉bind 127.0.0.1 ,然后 protected-mode no

3 Jedis常用操作

3.1 创建动态的工程

创建一个maven工程、过程略

3.2 创建测试程序

填写虚拟机的ip+端口。如果redis设置了密码，需要添加

/**
 * @author zyz
 * @version 1.0
 * @data 2022/12/21 21:12
 * @Description:
 */
public class RedisTest {
    public static void main(String[] args) {
        Jedis jedis = new Jedis("192.168.202.211", 6379);
        jedis.auth("root");
        String pong = jedis.ping();
        System.out.println("成功连接："+pong);
        jedis.close();
    }
}

3.3 测试结果

3.4 测试相关数据类型

3.4.1 Jedis-API: Key

这里省略了连接过程

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"));

测试结果

3.4.2 Jedis-API: String

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

---

3.4.3 Jedis-API: List

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

---

3.4.4 Jedis-API: set

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.srem("orders", "order02");

---

3.4.5 Jedis-API: hash

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","[e-mail]");
        jedis.hmset("hash2",map);
        List<String> result = jedis.hmget("hash2", "telphone","email");
        for (String element : result) {
            System.out.println(element);
        }

---

3.4.5 Jedis-API: zset

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);
        }