23-java操作redis

务必先关闭contos的防火墙：systemctl stop firewalld.service 并且linux的ip地址填写时，不要在双引号中加上空格
1，查看防火墙状态：systemctl status firewalld.service

2，关闭防火墙：systemctl stop firewalld.service

3，禁止开机启动：systemctl disable firewalld.service
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1、导入jedis依赖

 <!-- https://mvnrepository.com/artifact/redis.clients/jedis -->
        <dependency>
            <groupId>redis.clients</groupId>
            <artifactId>jedis</artifactId>
            <version>3.7.0</version>
        </dependency>

2、测试

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key相关

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String相关

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List相关

3、jedis的方法都跟我们以前用的命令差不多。不过是把命令封装成方法而已.