<dependency>

            <groupId>redis.clients</groupId>

            <artifactId>jedis</artifactId>

            <version>2.5.0</version>

 </dependency>

import org.testng.annotations.BeforeClass;

import org.testng.annotations.Test;

import redis.clients.jedis.Jedis;

import java.util.HashMap;

import java.util.Iterator;

import java.util.List;

import java.util.Map;

public class TestRedis {

    private Jedis jedis;

    @BeforeClass

    public void setup() {

        //连接redis服务器，ip

        jedis = new Jedis("ip", 6379);

        //权限认证

        jedis.auth("123456");

    }

    /**

     * 删除数据

     *  

     *

     * @param key：要删除数据的key

     * @return：返回boolean值，表示是否删除成功

     */

    public boolean delete(String key) {

        if (jedis.exists(key)) {

            if (jedis.del(key) == 1) {

                System.out.println("删除数据成功");

                return true;

            } else {

                System.out.println("删除数据失败");

                return false;

            }

        } else {

            System.out.println(key + "不存在");

            return false;

        }

    }

    @Test

    public void test() {

        delete("age");

    }

}