Java operation Redis database method (simple)

package Redis;   import java.util.HashMap;   import java.util.List;   import java.util.Map;   import redis.clients.jedis.Jedis;   public class Demo {           /**           * @param args           */           public static void main (String[] args) {               //Connect to the redis service               Jedis jedis = new Jedis("192.168.0.225",6400);               //Password authentication - if you don't set the redis password, you can use the relevant command               jedis.auth(" abcdefg");               //Simple key-value storage               jedis.set("redis", "myredis");               System.out.println(jedis.get("redis"));               //Add on the basis of the original value, If the key does not exist before, import the key  
      



     

     


      




              


              


              



              

            //Redis has been set to correspond to "myredis" before, and the execution of this sentence will make redis correspond to "myredisyourredis"  
            jedis.append("redis", "yourredis");     
            jedis.append("content", "rabbit");               //mset is to set multiple key-value value parameters (key1, value1, key2, value2,...,keyn, valuen)               //mget is to obtain the value value parameters corresponding to multiple keys (key1, key2, key3, ...,keyn) returns a list               jedis.mset("name1","yangw","name2","demon","name3","elena");               System.out.println(jedis.mget(" name1","name2","name3"));               //map               Map<String,String> user = new HashMap<String,String>();               user.put("  name", "cd");              user.put("password", "123456");              //map存入redis  
              




              





            jedis.hmset("user", user);  
            //mapkey个数  
            System.out.println(String.format("len:%d", jedis.hlen("user")));  
            //map中的所有键值  
            System.out.println(String.format("keys: %s", jedis.hkeys("user") ));  
            //map中的所有value  
            System.out.println(String.format("values: %s", jedis.hvals("user") ));  
            //取出map中的name字段值  
            List<String> rsmap = jedis.hmget("user", "name","password");  
            System.out.println(rsmap);  
            //删除map中的某一个键值 password  
            jedis.hdel("user", "password");  
            System.out.println(jedis.hmget("user", "name", "password"));  
              
            //list  
            jedis.del("listDemo");  
            System.out.println(jedis.lrange("listDemo", 0, -1));  
            jedis.lpush("listDemo", "A");  
            jedis.lpush("listDemo", "B");  
            jedis.lpush("listDemo", "C");  
            System.out.println(jedis.lrange("listDemo", 0, -1));  
            System.out.println(jedis.lrange("listDemo", 0, 1));  
              
            //set  
            jedis.sadd("sname", "wobby");  
            jedis.sadd("sname", "kings");  
            jedis.sadd("sname", "demon");  
            System.out.println(String.format("set num: %d", jedis.scard("sname")));  
            System.out.println(String.format("all members: %s", jedis.smembers("sname")));  
            System.out.println(String.format("is member: %B", jedis.sismember("sname", "wobby")));  
            System.out.println(String.format("rand member: %s", jedis.srandmember("sname")));  
            //删除一个对象  
            jedis.srem("sname", "demon");  
            System.out.println(String.format("all members: %s", jedis.smembers("sname")));        
        }  
      
    }