Redis java调用API实现

获取连接客户端链接

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;//非切片连接池
        private ShardedJedisPool shardedJedisPool;//切片连接池
        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链接 
            List shards = new ArrayList(); 
            shards.add(new JedisShardInfo("127.0.0.1", 6379, "master")); 
            // 构造池 
            shardedJedisPool = new ShardedJedisPool(config, shards); 
        } 

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

各种类型存储的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) {
//        //连接本地的 Redis 服务
//        Jedis jedis = new Jedis("127.0.0.1");
//        System.out.println("Connection to server sucessfully");
//        //查看服务是否运行
//        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=========================");  
          // 清空数据 
         System.out.println("清空库中所有数据:"+redis.flushDB());;
         print("判断key111是否存在"+redis.exists("key111"));
         print("增加key111:"+redis.set("key111", "hello world"));
         print("输出key111:"+redis.get("key111"));
         print("增加新的key112:"+redis.set("key112", "key112value"));
         print("增加新的key113:"+redis.set("key113", "key113value"));
         //输出所有key的的值 无序的
          for(String key : redis.keys("*")){
              print(key+":"+redis.get(key));
          }
          print("删除key111:"+redis.del("key111"));
          print("key111是否存在:"+redis.exists("key111"));
         //设置key的过期时间
          print("设置key112的过期时间3秒"+redis.expire("key112", 3));
          try {
            Thread.sleep(2000L);
        } catch (InterruptedException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
          print("key112的剩余生存时间:"+redis.ttl("key112"));
          print("key112的取消过期时间:"+redis.persist("key112"));
          print("查看key112是否还存在:"+redis.exists("key112"));
          print("查看key112的value类型:"+redis.type("key112"));
          print("给key113改成key114:"+redis.rename("key113", "key114"));
          print("查看key114value:"+redis.get("key114"));
    }   

    @Test
    public void StringApi(){
        print("=====================string========================");
        print("清空数据:"+redis.flushDB());
        print("============单个增删改=============");
        print("增加key001:"+redis.set("key001", "key001value"));
        print("修改key001:"+redis.set("key001", "key-update")+" "+redis.get("key001"));
        print("最后追加字符串:"+redis.append("key001", "-append")+" "+redis.get("key001"));
        print("删除key001:"+redis.del("key001"));

        print("==================多个一起添加,删除==================");
        print("增减key021,key022,key023:"+redis.mset("key021","key021value","key022","key022value","key023","key023value"));
        print("一次获取多个key值:"+redis.mget("key021","key022","key023"));
        print("一次删除多个key:"+redis.del(new String[]{"key021","key022"}));
        print("获取key021:"+redis.get("key021"));

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

        print("添加key033并设置过期时间:"+redis.setex("key033", 2, "key033value"));
        try {
            Thread.sleep(3000L);
        } catch (InterruptedException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        print("获取key033值:"+redis.get("key033"));
        print("获取值得子串key032:"+redis.getrange("key032",1, 5));
    }

    @Test
    public void ListApi(){
        //list存储结构是栈类型的 最后插入的索引是0
        print("====================list======================");
        print("清空数据:"+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("对指定下标进行修改:"+redis.lset("listString", -1, "vector-update"));
        print("修改后的0下标值:"+redis.lindex("listString", 0));
        print("删除后的元素:"+redis.lrange("listString", 0, -1));
        print("");
        print("==============删除================");
        print("删除指定的元素,重复的删除后添加的:"+redis.lrem("listString", 1, "vector"));
        print("删除后的元素:"+redis.lrange("listString", 0, -1));
        print("");
         /*
         * list中存字符串时必须指定参数为alpha,如果不使用SortingParams,而是直接使用sort("list"),
         * 会出现"ERR One or more scores can't be converted into double"
         */
        SortingParams sortingParameters = new SortingParams();
        sortingParameters.alpha();//目测是根据字母顺序排序
        print("排序元素:"+redis.sort("listString",sortingParameters));
        print("排序元素:"+redis.sort("listNumber"));


    }

    @Test
    public void SetApi(){
        print("=====================set=====================");
        print("清空数据:"+redis.flushDB());
        print("============增加==============");
        print("名为sets的集合中添加元素value1"+redis.sadd("sets", "value1"));
        print("名为sets的集合中添加元素value2"+redis.sadd("sets", "value2"));
        print("名为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("无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("============查询==================");
        for(String value : redis.smembers("sets")){
            print(value);
        }
        print("判断元素是否在集合中:"+redis.sismember("sets", "value2"));
        print("==============删除=============");
        print("删除指定的值:"+redis.srem("sets", "value2"));
        print("元素出栈:"+redis.spop("sets"));
        print("sets:"+redis.smembers("sets"));
        print("");
        print("==============集合运算=================");
        print("名为sets1的集合中添加元素value1"+redis.sadd("sets1", "value1"));
        print("名为sets1的集合中添加元素value2"+redis.sadd("sets1", "value2"));
        print("名为sets1的集合中添加元素value3"+redis.sadd("sets1", "value3"));
        print("名为sets2的集合中添加元素value3"+redis.sadd("sets2", "value3"));
        print("名为sets2的集合中添加元素value4"+redis.sadd("sets2", "value4"));
        print("名为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的并集:"+redis.sunion("sets1","sets2"));
        print("sets1和sets2的差集:"+redis.sdiff("sets1","sets2"));

    }

    @Test
    public void HashApi(){
        print("================hash=================");
        print("清空数据:"+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("===================查询================");
        print("判断是否存在key001:"+redis.hexists("hashs", "key001"));
        print("查找key001的值:"+redis.hget("hashs", "key001"));
        print("获得所有集合的key:"+redis.hkeys("hashs"));
        print("获得所有集合的value:"+redis.hvals("hashs"));

        print("=============修改====================");
        print("修改key001值为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("=============删除=======================");
        print("删除key002:"+redis.hdel("hashs", "key002"));
        print("hashs:"+redis.hgetAll("hashs"));

    }

        @Test
        public void SortedSetApi(){
            //有序集合类似
            print("=================SortedSet================");
            print("清空数据:"+redis.flushDB());
            print("==============增加===============");
            print("名为zsets添加数据value1:"+redis.zadd("zsets",1, "value1"));
            print("名为zsets添加数据value2:"+redis.zadd("zsets",2, "value2"));
            print("名为zsets添加数据value3:"+redis.zadd("zsets",3, "value3"));
            print("名为zsets添加数据value4:"+redis.zadd("zsets",4, "value4"));
            print("名为zsets添加数据value4:"+redis.zadd("zsets",4, "value4"));
            print("zsets:"+redis.zrange("zsets", 0, -1));

            print("===============查询===============");
            print("查找元素的个数:"+redis.zcard("zsets"));
            print("查找权重范围内元素的个数:"+redis.zcount("zsets",1,3));
            print("查找元素value4的权重:"+redis.zscore("zsets","value4"));

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

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


        }

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

}

这里就是简单的Java 调用Redis的crud方法,其实很简单,其中有几个jar包需要自己导入下
我用的是3.0+的redis
jar包在maven中央仓库只找到2.8.1的凑合用了
pom文件

      <dependency>
            <groupId>redis.clientsgroupId>
            <artifactId>jedisartifactId>
            <version>2.8.1version>
       dependency>

jar包
Redis java调用API实现_第1张图片

补充我把代码放到了我的github上
https://github.com/xiewenda/javaProject/tree/master/ssm-parent/ssm-redis

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