java中操作redis

标签：存在   int   computer   row   cal   package   company   pac   public   

  1 package com.redis;
  2 
  3 import java.io.IOException;
  4 import java.util.concurrent.ConcurrentHashMap;
  5 
  6 import redis.clients.jedis.Jedis;
  7 import redis.clients.jedis.Transaction;
  8 /**
  9  * java中操作redis
 10  * 
 11  * @author Administrator
 12  *
 13  */
 14 public class RedisTest {
 15     
 16     // 连接redis
 17     private static synchronized Jedis getJedis(String ip){
 18         final Jedis jr = new Jedis(ip);
 19         jr.auth("@admin123");
 20         System.out.println("连接成功: \t"+jr.ping());
 21         return jr;
 22     }
 23     // 关闭redis连接
 24     private static synchronized void closeJedis(Jedis jr){
 25         jr.close();
 26     }
 27     // 判断是否存在key 
 28     private static boolean keyIsExist(Jedis jd,String key){
 29         return jd.exists(key);
 30     }
 31     // 删除元素
 32     private static void delKey(Jedis jd, String key){
 33         jd.del(key);
 34     }
 35     // 操作String
 36
java中操作redis