Redis java調用API實現

獲取連接客戶端鏈接

RedisClient.java

package redis;

import java.util.ArrayList;
import java.util.List;

import redis.clients.jedis.Jedis;
import redis.clients.jedis.JedisPool;
import redis.clients.jedis.JedisPoolConfig;
import redis.clients.jedis.JedisShardInfo;
import redis.clients.jedis.ShardedJedis;
import redis.clients.jedis.ShardedJedisPool;

public class RedisClient {
        private JedisPool jedisPool;//非切片連接池
        private ShardedJedisPool shardedJedisPool;//切片連接池
        private static RedisClient redisClient;
        private RedisClient() 
        { 
            initialPool(); 
            initialShardedPool(); 
        } 

        public static RedisClient getRedisClient(){
            if(redisClient==null){
                synchronized (RedisClient.class) {
                    if(redisClient==null) redisClient = new RedisClient();
                }
            }
            return redisClient;
        }

        public Jedis getJedis() {
            return jedisPool.getResource(); 
        }

        public ShardedJedis getShardedJedis() {
            return  shardedJedisPool.getResource();
        }

        /**
         * 初始化非切片池
         */
        private void initialPool() 
        { 
            // 池基本配置 
            JedisPoolConfig config = new JedisPoolConfig(); 
            config.setMaxTotal(20); 
            config.setMaxIdle(5); 
            config.setMaxWaitMillis(1000l); 
            config.setTestOnBorrow(false); 

            jedisPool = new JedisPool(config,"127.0.0.1",6379);
        }

        /** 
         * 初始化切片池 
         */ 
        private void initialShardedPool() 
        { 
            // 池基本配置 
            JedisPoolConfig config = new JedisPoolConfig(); 
            config.setMaxTotal(20); 
            config.setMaxIdle(5); 
            config.setMaxWaitMillis(1000l); 
            config.setTestOnBorrow(false); 
            // slave鏈接 
            List<JedisShardInfo> shards = new ArrayList<JedisShardInfo>(); 
            shards.add(new JedisShardInfo("127.0.0.1", 6379, "master")); 
            // 構造池 
            shardedJedisPool = new ShardedJedisPool(config, shards); 
        } 

        public void Close() {     
            jedisPool.close();
            shardedJedisPool.close();
        } 
}

各種類型存儲的javaAPI

RedisAPI.java

package redis;
import org.junit.Before;
import org.junit.Test;

import redis.clients.jedis.Jedis;
import redis.clients.jedis.SortingParams;
public class RedisAPI {

       public static void main(String[] args) {
//        //連接本地的 Redis 服務
//        Jedis jedis = new Jedis("127.0.0.1");
//        System.out.println("Connection to server sucessfully");
//        //查看服務是否運行
//        System.out.println("Server is running: "+jedis.ping());

           System.out.println(RedisClient.getRedisClient().getShardedJedis());
           System.out.println(RedisClient.getRedisClient().getJedis());

    }
    private Jedis redis;   

    @Before
    public void initConn(){
        redis = RedisClient.getRedisClient().getJedis();
    }

    @Test
    public void KeyApi(){
         System.out.println("==============key=========================");  
          // 清空數據 
         System.out.println("清空庫中所有數據："+redis.flushDB());;
         print("判斷key111是否存在"+redis.exists("key111"));
         print("增加key111:"+redis.set("key111", "hello world"));
         print("輸出key111:"+redis.get("key111"));
         print("增加新的key112："+redis.set("key112", "key112value"));
         print("增加新的key113："+redis.set("key113", "key113value"));
         //輸出所有key的的值 無序的
          for(String key : redis.keys("*")){
              print(key+":"+redis.get(key));
          }
          print("刪除key111："+redis.del("key111"));
          print("key111是否存在："+redis.exists("key111"));
         //設置key的過期時間
          print("設置key112的過期時間3秒"+redis.expire("key112", 3));
          try {
            Thread.sleep(2000L);
        } catch (InterruptedException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
          print("key112的剩餘生存時間："+redis.ttl("key112"));
          print("key112的取消過期時間："+redis.persist("key112"));
          print("查看key112是否還存在："+redis.exists("key112"));
          print("查看key112的value類型："+redis.type("key112"));
          print("給key113改成key114："+redis.rename("key113", "key114"));
          print("查看key114value："+redis.get("key114"));
    }   

    @Test
    public void StringApi(){
        print("=====================string========================");
        print("清空數據："+redis.flushDB());
        print("============單個增刪改=============");
        print("增加key001:"+redis.set("key001", "key001value"));
        print("修改key001："+redis.set("key001", "key-update")+" "+redis.get("key001"));
        print("最後追加字符串："+redis.append("key001", "-append")+" "+redis.get("key001"));
        print("刪除key001："+redis.del("key001"));

        print("==================多個一起添加,刪除==================");
        print("增減key021，key022，key023："+redis.mset("key021","key021value","key022","key022value","key023","key023value"));
        print("一次獲取多個key值："+redis.mget("key021","key022","key023"));
        print("一次刪除多個key："+redis.del(new String[]{"key021","key022"}));
        print("獲取key021："+redis.get("key021"));

        print("===========other=======================");
        print("不在在key時再添加值："+redis.setnx("key031", "key031value"));
        print("不在在key時再添加值："+redis.setnx("key032", "key032value"));
        print("存在在key時再添加值："+redis.setnx("key032", "key032value_tow"));
        print("key031:"+redis.get("key031"));
        print("key032值沒變:"+redis.get("key032"));

        print("添加key033並設置過期時間："+redis.setex("key033", 2, "key033value"));
        try {
            Thread.sleep(3000L);
        } catch (InterruptedException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        print("獲取key033值："+redis.get("key033"));
        print("獲取值得子串key032:"+redis.getrange("key032",1, 5));
    }

    @Test
    public void ListApi(){
        //list存儲結構是棧類型的 最後插入的索引是0
        print("====================list======================");
        print("清空數據："+redis.flushDB());
        print("===========增加=================");
        print("添加了字符串list");
        print("listString:"+redis.lpush("listString", "vector"));
        print("listString:"+redis.lpush("listString", "vector"));
        print("listString:"+redis.lpush("listString", "arraylist"));
        print("listString:"+redis.lpush("listString", "hashmap"));
        print("listNumber:"+redis.lpush("listNumber", "1"));
        print("listNumber:"+redis.lpush("listNumber", "4"));
        print("listNumber:"+redis.lpush("listNumber", "3"));
        print("listNumber:"+redis.lpush("listNumber", "2"));
        print("listString全部元素："+redis.lrange("listString", 0, -1));
        print("listNumber全部元素："+redis.lrange("listNumber", 0, -1));
        print("");
        print("============修改=================");
        print("對指定下標進行修改："+redis.lset("listString", -1, "vector-update"));
        print("修改後的0下標值："+redis.lindex("listString", 0));
        print("刪除後的元素："+redis.lrange("listString", 0, -1));
        print("");
        print("==============刪除================");
        print("刪除指定的元素，重複的刪除後添加的："+redis.lrem("listString", 1, "vector"));
        print("刪除後的元素："+redis.lrange("listString", 0, -1));
        print("");
         /*
         * list中存字符串時必須指定參數爲alpha，如果不使用SortingParams，而是直接使用sort("list")，
         * 會出現"ERR One or more scores can't be converted into double"
         */
        SortingParams sortingParameters = new SortingParams();
        sortingParameters.alpha();//目測是根據字母順序排序
        print("排序元素："+redis.sort("listString",sortingParameters));
        print("排序元素："+redis.sort("listNumber"));


    }

    @Test
    public void SetApi(){
        print("=====================set=====================");
        print("清空數據："+redis.flushDB());
        print("============增加==============");
        print("名爲sets的集合中添加元素value1"+redis.sadd("sets", "value1"));
        print("名爲sets的集合中添加元素value2"+redis.sadd("sets", "value2"));
        print("名爲sets的集合中添加元素value3"+redis.sadd("sets", "value3"));
        print("sets所有值："+redis.smembers("sets"));
        print("===============修改=============");
        print("無法修改指定的值但是,不能存入相同的值："+redis.sadd("sets", "value2"));
        print("sets:"+redis.smembers("sets"));
        print("============查詢==================");
        for(String value : redis.smembers("sets")){
            print(value);
        }
        print("判斷元素是否在集合中："+redis.sismember("sets", "value2"));
        print("==============刪除=============");
        print("刪除指定的值："+redis.srem("sets", "value2"));
        print("元素出棧："+redis.spop("sets"));
        print("sets:"+redis.smembers("sets"));
        print("");
        print("==============集合運算=================");
        print("名爲sets1的集合中添加元素value1"+redis.sadd("sets1", "value1"));
        print("名爲sets1的集合中添加元素value2"+redis.sadd("sets1", "value2"));
        print("名爲sets1的集合中添加元素value3"+redis.sadd("sets1", "value3"));
        print("名爲sets2的集合中添加元素value3"+redis.sadd("sets2", "value3"));
        print("名爲sets2的集合中添加元素value4"+redis.sadd("sets2", "value4"));
        print("名爲sets2的集合中添加元素value5"+redis.sadd("sets2", "value5"));
        print("sets1所有值："+redis.smembers("sets1"));
        print("sets2所有值："+redis.smembers("sets2"));
        print("sets1和sets2的交集："+redis.sinter("sets1","sets2"));
        print("sets1和sets2的並集："+redis.sunion("sets1","sets2"));
        print("sets1和sets2的差集："+redis.sdiff("sets1","sets2"));

    }

    @Test
    public void HashApi(){
        print("================hash=================");
        print("清空數據："+redis.flushDB());
        print("==================增加================");
        print("hashs添加key001=>value001"+redis.hset("hashs", "key001", "value001"));
        print("hashs添加key002=>value002"+redis.hset("hashs", "key002", "value002"));
        print("hashs添加key003=>value003"+redis.hset("hashs", "key003", "value003"));
        print("hashs添加key004=>4L"+redis.hincrBy("hashs", "key004", 4L));
        print("hashs:"+redis.hgetAll("hashs"));
        print("===================查詢================");
        print("判斷是否存在key001："+redis.hexists("hashs", "key001"));
        print("查找key001的值："+redis.hget("hashs", "key001"));
        print("獲得所有集合的key："+redis.hkeys("hashs"));
        print("獲得所有集合的value："+redis.hvals("hashs"));

        print("=============修改====================");
        print("修改key001值爲value001_update:"+redis.hset("hashs", "key001", "value001_update"));
        print("修改key004值增加11:"+redis.hincrBy("hashs", "key004", 11L));
        print("hashs:"+redis.hvals("hashs"));

        print("=============刪除=======================");
        print("刪除key002："+redis.hdel("hashs", "key002"));
        print("hashs:"+redis.hgetAll("hashs"));

    }

        @Test
        public void SortedSetApi(){
            //有序集合類似
            print("=================SortedSet================");
            print("清空數據："+redis.flushDB());
            print("==============增加===============");
            print("名爲zsets添加數據value1："+redis.zadd("zsets",1, "value1"));
            print("名爲zsets添加數據value2："+redis.zadd("zsets",2, "value2"));
            print("名爲zsets添加數據value3："+redis.zadd("zsets",3, "value3"));
            print("名爲zsets添加數據value4："+redis.zadd("zsets",4, "value4"));
            print("名爲zsets添加數據value4："+redis.zadd("zsets",4, "value4"));
            print("zsets："+redis.zrange("zsets", 0, -1));

            print("===============查詢===============");
            print("查找元素的個數："+redis.zcard("zsets"));
            print("查找權重範圍內元素的個數："+redis.zcount("zsets",1,3));
            print("查找元素value4的權重："+redis.zscore("zsets","value4"));

            print("=============修改===================");

            print("=============刪除===================");
            print("刪除value4:"+redis.zrem("zsets", "value4"));
            print("redis:"+redis.zrange("zsets", 0, -1));


        }

         public void print(Object obj){
             System.out.println(obj);
         }

}

這裏就是簡單的Java 調用Redis的crud方法，其實很簡單，其中有幾個jar包需要自己導入下
我用的是3.0+的redis
jar包在maven中央倉庫只找到2.8.1的湊合用了
pom文件

      <dependency>
            <groupId>redis.clients</groupId>
            <artifactId>jedis</artifactId>
            <version>2.8.1</version>
       </dependency>

jar包

補充我把代碼放到了我的github上
https://github.com/xiewenda/javaProject/tree/master/ssm-parent/ssm-redis