# SpringBoot-Jedis

  package yiki.mybatis.util;
  import redis.clients.jedis.Jedis;
  import redis.clients.jedis.JedisPool;
  import redis.clients.jedis.JedisPoolConfig;

  // 双端检索 保证线程不会被篡改
  public class JedisPoolUtil {

      private static volatile JedisPool jedisPool = null;
      static String ip = "149.248.19.225";
      static int port = 6379;
      static int timeout = 2000;

      private JedisPoolUtil() {

      }

      public static JedisPool getJedisPoolInstance() {
          if (null == jedisPool) {
              JedisPoolConfig config = new JedisPoolConfig();
              config.setMaxTotal(1024);
              config.setMaxIdle(100);
              config.setMaxWaitMillis(100);
              config.setTestOnReturn(true);
              jedisPool = new JedisPool(config, ip, port);
          }

          return jedisPool;
      }

      public static void release(Jedis jedis) {
          if (null != jedis) {
              jedis.close();
          }
      }
  }

  @GetMapping("/testJedis")
  public void cleanRedis() {
      Jedis jedis = new Jedis("149.248.19.225", 6379);
      System.out.println(jedis.ping());
//        jedis.set("k1", "k1");
//        jedis.set("k2", "k2");
//        jedis.set("k3", "k3");
      System.out.println(jedis.keys("*"));

  }

  @GetMapping("/testTxt")
  public void txt() {
      Jedis jedis = new Jedis("149.248.19.225", 6379);
      Transaction transaction = jedis.multi();

      transaction.set("k4", "v4");
      transaction.set("k5", "v5");
      transaction.set("k6", "v6");
      transaction.watch("k6");
      String v = jedis.get("k6");
      if (v.equals("v6")) {
          jedis.unwatch();
          //  do it again
      } else {
          transaction.exec();
      }


      // transaction.discard();// above be discarded

  }

  @GetMapping("/testJedisPool")
  public void testJedisPool() {
      JedisPool jedisPool = JedisPoolUtil.getJedisPoolInstance();
      Jedis jedis =null;
      try {
          jedis = jedisPool.getResource();
          jedis.set("A1","A2");
          System.out.println(jedis.keys("*"));
      }catch (Exception e){
          e.printStackTrace();
      }finally {
          JedisPoolUtil.release(jedis);

      }

  }