什么是Jedis?Redis官方推荐的Java连接开发工具,使用Java操作Redis中间件。
<dependencies>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.11</version>
<scope>test</scope>
</dependency>
<!-- 导入Jedis和fastjson-->
<!-- https://mvnrepository.com/artifact/redis.clients/jedis -->
<dependency>
<groupId>redis.clients</groupId>
<artifactId>jedis</artifactId>
<version>3.2.0</version>
</dependency>
<!-- https://mvnrepository.com/artifact/com.alibaba.fastjson2/fastjson2 -->
<dependency>
<groupId>com.alibaba.fastjson2</groupId>
<artifactId>fastjson2</artifactId>
<version>2.0.23</version>
</dependency>
</dependencies>
public class TestPing {
public static void main(String[] args) {
// 这里测试Redis连接,并发送Ping命令
Jedis jedis = new Jedis("127.0.0.1", 6379);
System.out.println(jedis.ping());
}
}
String
List
Set
Hash
Zset
这里就不写测试了,之前在xshell里面都写过,一样的命令,只需要调用api即可。
对事务的操作:
public class TestTransaction {
public static void main(String[] args) {
Jedis jedis = new Jedis("127.0.0.1", 6379);
JSONObject jsonObject = new JSONObject();
jsonObject.put("hello", "world");
jsonObject.put("name", "zch");
String user1 = jsonObject.toJSONString();
String user2 = jsonObject.toJSONString();
// 开启事务
jedis.select(2);
Transaction multi = jedis.multi();
try {
multi.set("user1", user1);
multi.set("user2", user2);
multi.exec();
} catch (Exception e) {
multi.discard();
e.printStackTrace();
} finally {
System.out.println(jedis.get("user1"));
System.out.println(jedis.get("user2"));
jedis.close();
}
}
}
详细代码在同仓库的code下。