在 mvnrepository 直接搜索 jedis ，把依赖复制到 pom 就好了。
过程
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| package com.redisc;
import redis.clients.jedis.Jedis;
public class Test {
public static void main(String[] args) {
Jedis jedis = new Jedis("127.0.0.1", 6379);
System.out.println(jedis.ping());
jedis.flushDB();
}
}
|
jedis 的操作，几乎和 redis 的命令一摸一样，这里就不说了。
事务
简单例子
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| package com.redisc;
import com.alibaba.fastjson.JSONObject;
import redis.clients.jedis.Jedis;
import redis.clients.jedis.Transaction;
public class Test {
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", "cc");
Transaction multi = jedis.multi();
String result = jsonObject.toJSONString();
try {
multi.set("user1", result);
multi.set("user2", result);
multi.exec();
} catch (Exception e) {
multi.discard();
e.printStackTrace();
} finally {
System.out.println(jedis.get("user1"));
jedis.close();
}
}
}
|
加锁
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| package com.redisc;
import com.alibaba.fastjson.JSONObject;
import redis.clients.jedis.Jedis;
import redis.clients.jedis.Transaction;
public class Test {
public static void main(String[] args) {
Jedis jedis = new Jedis("127.0.0.1", 6379);
jedis.flushDB();
JSONObject jsonObject = new JSONObject();
jsonObject.put("hello", "world");
jsonObject.put("name", "cc");
Transaction multi = jedis.multi();
String result = jsonObject.toJSONString();
jedis.watch(result);
try {
multi.set("user1", result);
multi.set("user2", result);
multi.exec();
} catch (Exception e) {
multi.discard();
e.printStackTrace();
} finally {
System.out.println(jedis.get("user1"));
jedis.close();
}
}
}
|
