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redis Java应用

2016-04-03 23:06 621 查看
首先要下载redis-2.4.5-win32-win64

安装包,并解压到Windows系统本地C盘根目录下,并且启动C:\redis\64bit\redis-server.exe 服务。

下载 commons-pool-1.5.4.jar和 jedis-2.1.0.jar jar包,用eclipse

新建JavaProject将下载的jar包导出到项目中



Main.java

package com.redis;

public class Main {

public static void main(String[] args) {
new RedisClient().show();
}

}


RedisClient.java

package com.redis;

import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.Set;

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;
import redis.clients.jedis.SortingParams;

public class RedisClient {

private Jedis jedis;//非切片额客户端连接
private JedisPool jedisPool;//非切片连接池
private ShardedJedis shardedJedis;//切片额客户端连接
private ShardedJedisPool shardedJedisPool;//切片连接池

public RedisClient()
{
initialPool();
initialShardedPool();
shardedJedis = shardedJedisPool.getResource();
jedis = jedisPool.getResource();

}

/**
* 初始化非切片池
*/
private void initialPool()
{
// 池基本配置
JedisPoolConfig config = new JedisPoolConfig();
config.setMaxActive(20);
config.setMaxIdle(5);
config.setMaxWait(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.setMaxActive(20);
config.setMaxIdle(5);
config.setMaxWait(1000l);
config.setTestOnBorrow(false);
// slave链接
List<JedisShardInfo> shards = new ArrayList<JedisShardInfo>();
shards.add(new JedisShardInfo("127.0.0.1", 6379, "master"));

// 构造池
shardedJedisPool = new ShardedJedisPool(config, shards);
}

public void show() {
KeyOperate();
StringOperate();
ListOperate();
SetOperate();
SortedSetOperate();
HashOperate();
jedisPool.returnResource(jedis);
shardedJedisPool.returnResource(shardedJedis);
}

/**
* key功能
*/
private void KeyOperate()
{
System.out.println("======================key==========================");
// 清空数据
System.out.println("清空库中所有数据:"+jedis.flushDB());
// 判断key否存在
System.out.println("判断key999键是否存在:"+shardedJedis.exists("key999"));
System.out.println("新增key001,value001键值对:"+shardedJedis.set("key001", "value001"));
System.out.println("判断key001是否存在:"+shardedJedis.exists("key001"));
// 输出系统中所有的key
System.out.println("新增key002,value002键值对:"+shardedJedis.set("key002", "value002"));
System.out.println("系统中所有键如下:");
Set<String> keys = jedis.keys("*");
Iterator<String> it=keys.iterator() ;
while(it.hasNext()){
String key = it.next();
System.out.println(key);
}
// 删除某个key,若key不存在,则忽略该命令。
System.out.println("系统中删除key002: "+jedis.del("key002"));
System.out.println("判断key002是否存在:"+shardedJedis.exists("key002"));
// 设置 key001的过期时间
System.out.println("设置 key001的过期时间为5秒:"+jedis.expire("key001", 5));
try{
Thread.sleep(2000);
}
catch (InterruptedException e){
}
// 查看某个key的剩余生存时间,单位【秒】.永久生存或者不存在的都返回-1
System.out.println("查看key001的剩余生存时间:"+jedis.ttl("key001"));
// 移除某个key的生存时间
System.out.println("移除key001的生存时间:"+jedis.persist("key001"));
System.out.println("查看key001的剩余生存时间:"+jedis.ttl("key001"));
// 查看key所储存的值的类型
System.out.println("查看key所储存的值的类型:"+jedis.type("key001"));
/*
* 一些其他方法:1、修改键名:jedis.rename("key6", "key0");
*             2、将当前db的key移动到给定的db当中:jedis.move("foo", 1)
*/
}

/**
* String功能
*/
private void StringOperate()
{
System.out.println("======================String_1==========================");
// 清空数据
System.out.println("清空库中所有数据:"+jedis.flushDB());

System.out.println("=============增=============");
jedis.set("key001","value001");
jedis.set("key002","value002");
jedis.set("key003","value003");
System.out.println("已新增的3个键值对如下:");
System.out.println(jedis.get("key001"));
System.out.println(jedis.get("key002"));
System.out.println(jedis.get("key003"));

System.out.println("=============删=============");
System.out.println("删除key003键值对:"+jedis.del("key003"));
System.out.println("获取key003键对应的值:"+jedis.get("key003"));

System.out.println("=============改=============");
//1、直接覆盖原来的数据
System.out.println("直接覆盖key001原来的数据:"+jedis.set("key001","value001-update"));
System.out.println("获取key001对应的新值:"+jedis.get("key001"));
//2、直接覆盖原来的数据
System.out.println("在key002原来值后面追加:"+jedis.append("key002","+appendString"));
System.out.println("获取key002对应的新值"+jedis.get("key002"));

System.out.println("=============增,删,查(多个)=============");
/**
* mset,mget同时新增,修改,查询多个键值对
* 等价于:
* jedis.set("name","ssss");
* jedis.set("jarorwar","xxxx");
*/
System.out.println("一次性新增key201,key202,key203,key204及其对应值:"+jedis.mset("key201","value201",
"key202","value202","key203","value203","key204","value204"));
System.out.println("一次性获取key201,key202,key203,key204各自对应的值:"+
jedis.mget("key201","key202","key203","key204"));
System.out.println("一次性删除key201,key202:"+jedis.del(new String[]{"key201", "key202"}));
System.out.println("一次性获取key201,key202,key203,key204各自对应的值:"+
jedis.mget("key201","key202","key203","key204"));
System.out.println();

//jedis具备的功能shardedJedis中也可直接使用,下面测试一些前面没用过的方法
System.out.println("======================String_2==========================");
// 清空数据
System.out.println("清空库中所有数据:"+jedis.flushDB());

System.out.println("=============新增键值对时防止覆盖原先值=============");
System.out.println("原先key301不存在时,新增key301:"+shardedJedis.setnx("key301", "value301"));
System.out.println("原先key302不存在时,新增key302:"+shardedJedis.setnx("key302", "value302"));
System.out.println("当key302存在时,尝试新增key302:"+shardedJedis.setnx("key302", "value302_new"));
System.out.println("获取key301对应的值:"+shardedJedis.get("key301"));
System.out.println("获取key302对应的值:"+shardedJedis.get("key302"));
System.out.println("=============超过有效期键值对被删除=============");
// 设置key的有效期,并存储数据
System.out.println("新增key303,并指定过期时间为2秒"+shardedJedis.setex("key303", 2, "key303-2second"));
System.out.println("获取key303对应的值:"+shardedJedis.get("key303"));
try{
Thread.sleep(3000);
}
catch (InterruptedException e){
}
System.out.println("3秒之后,获取key303对应的值:"+shardedJedis.get("key303"));

System.out.println("=============获取原值,更新为新值一步完成=============");
System.out.println("key302原值:"+shardedJedis.getSet("key302", "value302-after-getset"));
System.out.println("key302新值:"+shardedJedis.get("key302"));

System.out.println("=============获取子串=============");
System.out.println("获取key302对应值中的子串:"+shardedJedis.getrange("key302", 5, 7));
}

/**
* List 功能
*/
private void ListOperate()
{
System.out.println("======================list==========================");
// 清空数据
System.out.println("清空库中所有数据:"+jedis.flushDB());

System.out.println("=============增=============");
shardedJedis.lpush("stringlists", "vector");
shardedJedis.lpush("stringlists", "ArrayList");
shardedJedis.lpush("stringlists", "vector");
shardedJedis.lpush("stringlists", "vector");
shardedJedis.lpush("stringlists", "LinkedList");
shardedJedis.lpush("stringlists", "MapList");
shardedJedis.lpush("stringlists", "SerialList");
shardedJedis.lpush("stringlists", "HashList");
shardedJedis.lpush("numberlists", "3");
shardedJedis.lpush("numberlists", "1");
shardedJedis.lpush("numberlists", "5");
shardedJedis.lpush("numberlists", "2");
System.out.println("所有元素-stringlists:"+shardedJedis.lrange("stringlists", 0, -1));
System.out.println("所有元素-numberlists:"+shardedJedis.lrange("numberlists", 0, -1));

System.out.println("=============删=============");
// 删除列表指定的值 ,第二个参数为删除的个数(有重复时),后add进去的值先被删,类似于出栈
System.out.println("成功删除指定元素个数-stringlists:"+shardedJedis.lrem("stringlists", 2, "vector"));
System.out.println("删除指定元素之后-stringlists:"+shardedJedis.lrange("stringlists", 0, -1));
// 删除区间以外的数据
System.out.println("删除下标0-3区间之外的元素:"+shardedJedis.ltrim("stringlists", 0, 3));
System.out.println("删除指定区间之外元素后-stringlists:"+shardedJedis.lrange("stringlists", 0, -1));
// 列表元素出栈
System.out.println("出栈元素:"+shardedJedis.lpop("stringlists"));
System.out.println("元素出栈后-stringlists:"+shardedJedis.lrange("stringlists", 0, -1));

System.out.println("=============改=============");
// 修改列表中指定下标的值
shardedJedis.lset("stringlists", 0, "hello list!");
System.out.println("下标为0的值修改后-stringlists:"+shardedJedis.lrange("stringlists", 0, -1));
System.out.println("=============查=============");
// 数组长度
System.out.println("长度-stringlists:"+shardedJedis.llen("stringlists"));
System.out.println("长度-numberlists:"+shardedJedis.llen("numberlists"));
// 排序
/*
* 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();
sortingParameters.limit(0, 3);
System.out.println("返回排序后的结果-stringlists:"+shardedJedis.sort("stringlists",sortingParameters));
System.out.println("返回排序后的结果-numberlists:"+shardedJedis.sort("numberlists"));
// 子串:  start为元素下标,end也为元素下标;-1代表倒数一个元素,-2代表倒数第二个元素
System.out.println("子串-第二个开始到结束:"+shardedJedis.lrange("stringlists", 1, -1));
// 获取列表指定下标的值
System.out.println("获取下标为2的元素:"+shardedJedis.lindex("stringlists", 2)+"\n");
}

/**
* set作用
*/
private void SetOperate()
{

System.out.println("======================set==========================");
// 清空数据
System.out.println("清空库中所有数据:"+jedis.flushDB());

System.out.println("=============增=============");
System.out.println("向sets集合中加入元素element001:"+jedis.sadd("sets", "element001"));
System.out.println("向sets集合中加入元素element002:"+jedis.sadd("sets", "element002"));
System.out.println("向sets集合中加入元素element003:"+jedis.sadd("sets", "element003"));
System.out.println("向sets集合中加入元素element004:"+jedis.sadd("sets", "element004"));
System.out.println("查看sets集合中的所有元素:"+jedis.smembers("sets"));
System.out.println();

System.out.println("=============删=============");
System.out.println("集合sets中删除元素element003:"+jedis.srem("sets", "element003"));
System.out.println("查看sets集合中的所有元素:"+jedis.smembers("sets"));
/*System.out.println("sets集合中任意位置的元素出栈:"+jedis.spop("sets"));//注:出栈元素位置居然不定?--无实际意义
System.out.println("查看sets集合中的所有元素:"+jedis.smembers("sets"));*/
System.out.println();

System.out.println("=============改=============");
System.out.println();

System.out.println("=============查=============");
System.out.println("判断element001是否在集合sets中:"+jedis.sismember("sets", "element001"));
System.out.println("循环查询获取sets中的每个元素:");
Set<String> set = jedis.smembers("sets");
Iterator<String> it=set.iterator() ;
while(it.hasNext()){
Object obj=it.next();
System.out.println(obj);
}
System.out.println();

System.out.println("=============集合运算=============");
System.out.println("sets1中添加元素element001:"+jedis.sadd("sets1", "element001"));
System.out.println("sets1中添加元素element002:"+jedis.sadd("sets1", "element002"));
System.out.println("sets1中添加元素element003:"+jedis.sadd("sets1", "element003"));
System.out.println("sets1中添加元素element002:"+jedis.sadd("sets2", "element002"));
System.out.println("sets1中添加元素element003:"+jedis.sadd("sets2", "element003"));
System.out.println("sets1中添加元素element004:"+jedis.sadd("sets2", "element004"));
System.out.println("查看sets1集合中的所有元素:"+jedis.smembers("sets1"));
System.out.println("查看sets2集合中的所有元素:"+jedis.smembers("sets2"));
System.out.println("sets1和sets2交集:"+jedis.sinter("sets1", "sets2"));
System.out.println("sets1和sets2并集:"+jedis.sunion("sets1", "sets2"));
System.out.println("sets1和sets2差集:"+jedis.sdiff("sets1", "sets2"));//差集:set1中有,set2中没有的元素

}

/**
* SortedSet  排序的set
*/
private void SortedSetOperate()
{
System.out.println("======================zset==========================");
// 清空数据
System.out.println(jedis.flushDB());

System.out.println("=============增=============");
System.out.println("zset中添加元素element001:"+shardedJedis.zadd("zset", 7.0, "element001"));
System.out.println("zset中添加元素element002:"+shardedJedis.zadd("zset", 8.0, "element002"));
System.out.println("zset中添加元素element003:"+shardedJedis.zadd("zset", 2.0, "element003"));
System.out.println("zset中添加元素element004:"+shardedJedis.zadd("zset", 3.0, "element004"));
System.out.println("zset集合中的所有元素:"+shardedJedis.zrange("zset", 0, -1));//按照权重值排序
System.out.println();

System.out.println("=============删=============");
System.out.println("zset中删除元素element002:"+shardedJedis.zrem("zset", "element002"));
System.out.println("zset集合中的所有元素:"+shardedJedis.zrange("zset", 0, -1));
System.out.println();

System.out.println("=============改=============");
System.out.println();

System.out.println("=============查=============");
System.out.println("统计zset集合中的元素中个数:"+shardedJedis.zcard("zset"));
System.out.println("统计zset集合中权重某个范围内(1.0——5.0),元素的个数:"+shardedJedis.zcount("zset", 1.0, 5.0));
System.out.println("查看zset集合中element004的权重:"+shardedJedis.zscore("zset", "element004"));
System.out.println("查看下标1到2范围内的元素值:"+shardedJedis.zrange("zset", 1, 2));

}

/**
*
*/
private void HashOperate()
{
System.out.println("======================hash==========================");
//清空数据
System.out.println(jedis.flushDB());

System.out.println("=============增=============");
System.out.println("hashs中添加key001和value001键值对:"+shardedJedis.hset("hashs", "key001", "value001"));
System.out.println("hashs中添加key002和value002键值对:"+shardedJedis.hset("hashs", "key002", "value002"));
System.out.println("hashs中添加key003和value003键值对:"+shardedJedis.hset("hashs", "key003", "value003"));
System.out.println("新增key004和4的整型键值对:"+shardedJedis.hincrBy("hashs", "key004", 4l));
System.out.println("hashs中的所有值:"+shardedJedis.hvals("hashs"));
System.out.println();

System.out.println("=============删=============");
System.out.println("hashs中删除key002键值对:"+shardedJedis.hdel("hashs", "key002"));
System.out.println("hashs中的所有值:"+shardedJedis.hvals("hashs"));
System.out.println();

System.out.println("=============改=============");
System.out.println("key004整型键值的值增加100:"+shardedJedis.hincrBy("hashs", "key004", 100l));
System.out.println("hashs中的所有值:"+shardedJedis.hvals("hashs"));
System.out.println();

System.out.println("=============查=============");
System.out.println("判断key003是否存在:"+shardedJedis.hexists("hashs", "key003"));
System.out.println("获取key004对应的值:"+shardedJedis.hget("hashs", "key004"));
System.out.println("批量获取key001和key003对应的值:"+shardedJedis.hmget("hashs", "key001", "key003"));
System.out.println("获取hashs中所有的key:"+shardedJedis.hkeys("hashs"));
System.out.println("获取hashs中所有的value:"+shardedJedis.hvals("hashs"));
System.out.println();

}
}


package com.redis;

import java.util.ArrayList;

import java.util.Iterator;

import java.util.List;

import java.util.Set;

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;

import redis.clients.jedis.SortingParams;

public class RedisClient {

private Jedis jedis;//非切片额客户端连接
private JedisPool jedisPool;//非切片连接池
private ShardedJedis shardedJedis;//切片额客户端连接
private ShardedJedisPool shardedJedisPool;//切片连接池

public RedisClient()
{
initialPool();
initialShardedPool();
shardedJedis = shardedJedisPool.getResource();
jedis = jedisPool.getResource();

}

/**
* 初始化非切片池
*/
private void initialPool()
{
// 池基本配置
JedisPoolConfig config = new JedisPoolConfig();
config.setMaxActive(20);
config.setMaxIdle(5);
config.setMaxWait(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.setMaxActive(20);
config.setMaxIdle(5);
config.setMaxWait(1000l);
config.setTestOnBorrow(false);
// slave链接
List<JedisShardInfo> shards = new ArrayList<JedisShardInfo>();
shards.add(new JedisShardInfo("127.0.0.1", 6379, "master"));

// 构造池
shardedJedisPool = new ShardedJedisPool(config, shards);
}

public void show() {
KeyOperate();
StringOperate();
ListOperate();
SetOperate();
SortedSetOperate();
HashOperate();
jedisPool.returnResource(jedis);
shardedJedisPool.returnResource(shardedJedis);
}

/**
* key功能
*/
private void KeyOperate()
{
System.out.println("======================key==========================");
// 清空数据
System.out.println("清空库中所有数据:"+jedis.flushDB());
// 判断key否存在
System.out.println("判断key999键是否存在:"+shardedJedis.exists("key999"));
System.out.println("新增key001,value001键值对:"+shardedJedis.set("key001", "value001"));
System.out.println("判断key001是否存在:"+shardedJedis.exists("key001"));
// 输出系统中所有的key
System.out.println("新增key002,value002键值对:"+shardedJedis.set("key002", "value002"));
System.out.println("系统中所有键如下:");
Set<String> keys = jedis.keys("*");
Iterator<String> it=keys.iterator() ;
while(it.hasNext()){
String key = it.next();
System.out.println(key);
}
// 删除某个key,若key不存在,则忽略该命令。
System.out.println("系统中删除key002: "+jedis.del("key002"));
System.out.println("判断key002是否存在:"+shardedJedis.exists("key002"));
// 设置 key001的过期时间
System.out.println("设置 key001的过期时间为5秒:"+jedis.expire("key001", 5));
try{
Thread.sleep(2000);
}
catch (InterruptedException e){
}
// 查看某个key的剩余生存时间,单位【秒】.永久生存或者不存在的都返回-1
System.out.println("查看key001的剩余生存时间:"+jedis.ttl("key001"));
// 移除某个key的生存时间
System.out.println("移除key001的生存时间:"+jedis.persist("key001"));
System.out.println("查看key001的剩余生存时间:"+jedis.ttl("key001"));
// 查看key所储存的值的类型
System.out.println("查看key所储存的值的类型:"+jedis.type("key001"));
/*
* 一些其他方法:1、修改键名:jedis.rename("key6", "key0");
*             2、将当前db的key移动到给定的db当中:jedis.move("foo", 1)
*/
}

/**
* String功能
*/
private void StringOperate()
{
System.out.println("======================String_1==========================");
// 清空数据
System.out.println("清空库中所有数据:"+jedis.flushDB());

System.out.println("=============增=============");
jedis.set("key001","value001");
jedis.set("key002","value002");
jedis.set("key003","value003");
System.out.println("已新增的3个键值对如下:");
System.out.println(jedis.get("key001"));
System.out.println(jedis.get("key002"));
System.out.println(jedis.get("key003"));

System.out.println("=============删=============");
System.out.println("删除key003键值对:"+jedis.del("key003"));
System.out.println("获取key003键对应的值:"+jedis.get("key003"));

System.out.println("=============改=============");
//1、直接覆盖原来的数据
System.out.println("直接覆盖key001原来的数据:"+jedis.set("key001","value001-update"));
System.out.println("获取key001对应的新值:"+jedis.get("key001"));
//2、直接覆盖原来的数据
System.out.println("在key002原来值后面追加:"+jedis.append("key002","+appendString"));
System.out.println("获取key002对应的新值"+jedis.get("key002"));

System.out.println("=============增,删,查(多个)=============");
/**
* mset,mget同时新增,修改,查询多个键值对
* 等价于:
* jedis.set("name","ssss");
* jedis.set("jarorwar","xxxx");
*/
System.out.println("一次性新增key201,key202,key203,key204及其对应值:"+jedis.mset("key201","value201",
"key202","value202","key203","value203","key204","value204"));
System.out.println("一次性获取key201,key202,key203,key204各自对应的值:"+
jedis.mget("key201","key202","key203","key204"));
System.out.println("一次性删除key201,key202:"+jedis.del(new String[]{"key201", "key202"}));
System.out.println("一次性获取key201,key202,key203,key204各自对应的值:"+
jedis.mget("key201","key202","key203","key204"));
System.out.println();

//jedis具备的功能shardedJedis中也可直接使用,下面测试一些前面没用过的方法
System.out.println("======================String_2==========================");
// 清空数据
System.out.println("清空库中所有数据:"+jedis.flushDB());

System.out.println("=============新增键值对时防止覆盖原先值=============");
System.out.println("原先key301不存在时,新增key301:"+shardedJedis.setnx("key301", "value301"));
System.out.println("原先key302不存在时,新增key302:"+shardedJedis.setnx("key302", "value302"));
System.out.println("当key302存在时,尝试新增key302:"+shardedJedis.setnx("key302", "value302_new"));
System.out.println("获取key301对应的值:"+shardedJedis.get("key301"));
System.out.println("获取key302对应的值:"+shardedJedis.get("key302"));
System.out.println("=============超过有效期键值对被删除=============");
// 设置key的有效期,并存储数据
System.out.println("新增key303,并指定过期时间为2秒"+shardedJedis.setex("key303", 2, "key303-2second"));
System.out.println("获取key303对应的值:"+shardedJedis.get("key303"));
try{
Thread.sleep(3000);
}
catch (InterruptedException e){
}
System.out.println("3秒之后,获取key303对应的值:"+shardedJedis.get("key303"));

System.out.println("=============获取原值,更新为新值一步完成=============");
System.out.println("key302原值:"+shardedJedis.getSet("key302", "value302-after-getset"));
System.out.println("key302新值:"+shardedJedis.get("key302"));

System.out.println("=============获取子串=============");
System.out.println("获取key302对应值中的子串:"+shardedJedis.getrange("key302", 5, 7));
}

/**
* List 功能
*/
private void ListOperate()
{
System.out.println("======================list==========================");
// 清空数据
System.out.println("清空库中所有数据:"+jedis.flushDB());

System.out.println("=============增=============");
shardedJedis.lpush("stringlists", "vector");
shardedJedis.lpush("stringlists", "ArrayList");
shardedJedis.lpush("stringlists", "vector");
shardedJedis.lpush("stringlists", "vector");
shardedJedis.lpush("stringlists", "LinkedList");
shardedJedis.lpush("stringlists", "MapList");
shardedJedis.lpush("stringlists", "SerialList");
shardedJedis.lpush("stringlists", "HashList");
shardedJedis.lpush("numberlists", "3");
shardedJedis.lpush("numberlists", "1");
shardedJedis.lpush("numberlists", "5");
shardedJedis.lpush("numberlists", "2");
System.out.println("所有元素-stringlists:"+shardedJedis.lrange("stringlists", 0, -1));
System.out.println("所有元素-numberlists:"+shardedJedis.lrange("numberlists", 0, -1));

System.out.println("=============删=============");
// 删除列表指定的值 ,第二个参数为删除的个数(有重复时),后add进去的值先被删,类似于出栈
System.out.println("成功删除指定元素个数-stringlists:"+shardedJedis.lrem("stringlists", 2, "vector"));
System.out.println("删除指定元素之后-stringlists:"+shardedJedis.lrange("stringlists", 0, -1));
// 删除区间以外的数据
System.out.println("删除下标0-3区间之外的元素:"+shardedJedis.ltrim("stringlists", 0, 3));
System.out.println("删除指定区间之外元素后-stringlists:"+shardedJedis.lrange("stringlists", 0, -1));
// 列表元素出栈
System.out.println("出栈元素:"+shardedJedis.lpop("stringlists"));
System.out.println("元素出栈后-stringlists:"+shardedJedis.lrange("stringlists", 0, -1));

System.out.println("=============改=============");
// 修改列表中指定下标的值
shardedJedis.lset("stringlists", 0, "hello list!");
System.out.println("下标为0的值修改后-stringlists:"+shardedJedis.lrange("stringlists", 0, -1));
System.out.println("=============查=============");
// 数组长度
System.out.println("长度-stringlists:"+shardedJedis.llen("stringlists"));
System.out.println("长度-numberlists:"+shardedJedis.llen("numberlists"));
// 排序
/*
* 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();
sortingParameters.limit(0, 3);
System.out.println("返回排序后的结果-stringlists:"+shardedJedis.sort("stringlists",sortingParameters));
System.out.println("返回排序后的结果-numberlists:"+shardedJedis.sort("numberlists"));
// 子串:  start为元素下标,end也为元素下标;-1代表倒数一个元素,-2代表倒数第二个元素
System.out.println("子串-第二个开始到结束:"+shardedJedis.lrange("stringlists", 1, -1));
// 获取列表指定下标的值
System.out.println("获取下标为2的元素:"+shardedJedis.lindex("stringlists", 2)+"\n");
}

/**
* set作用
*/
private void SetOperate()
{

System.out.println("======================set==========================");
// 清空数据
System.out.println("清空库中所有数据:"+jedis.flushDB());

System.out.println("=============增=============");
System.out.println("向sets集合中加入元素element001:"+jedis.sadd("sets", "element001"));
System.out.println("向sets集合中加入元素element002:"+jedis.sadd("sets", "element002"));
System.out.println("向sets集合中加入元素element003:"+jedis.sadd("sets", "element003"));
System.out.println("向sets集合中加入元素element004:"+jedis.sadd("sets", "element004"));
System.out.println("查看sets集合中的所有元素:"+jedis.smembers("sets"));
System.out.println();

System.out.println("=============删=============");
System.out.println("集合sets中删除元素element003:"+jedis.srem("sets", "element003"));
System.out.println("查看sets集合中的所有元素:"+jedis.smembers("sets"));
/*System.out.println("sets集合中任意位置的元素出栈:"+jedis.spop("sets"));//注:出栈元素位置居然不定?--无实际意义
System.out.println("查看sets集合中的所有元素:"+jedis.smembers("sets"));*/
System.out.println();

System.out.println("=============改=============");
System.out.println();

System.out.println("=============查=============");
System.out.println("判断element001是否在集合sets中:"+jedis.sismember("sets", "element001"));
System.out.println("循环查询获取sets中的每个元素:");
Set<String> set = jedis.smembers("sets");
Iterator<String> it=set.iterator() ;
while(it.hasNext()){
Object obj=it.next();
System.out.println(obj);
}
System.out.println();

System.out.println("=============集合运算=============");
System.out.println("sets1中添加元素element001:"+jedis.sadd("sets1", "element001"));
System.out.println("sets1中添加元素element002:"+jedis.sadd("sets1", "element002"));
System.out.println("sets1中添加元素element003:"+jedis.sadd("sets1", "element003"));
System.out.println("sets1中添加元素element002:"+jedis.sadd("sets2", "element002"));
System.out.println("sets1中添加元素element003:"+jedis.sadd("sets2", "element003"));
System.out.println("sets1中添加元素element004:"+jedis.sadd("sets2", "element004"));
System.out.println("查看sets1集合中的所有元素:"+jedis.smembers("sets1"));
System.out.println("查看sets2集合中的所有元素:"+jedis.smembers("sets2"));
System.out.println("sets1和sets2交集:"+jedis.sinter("sets1", "sets2"));
System.out.println("sets1和sets2并集:"+jedis.sunion("sets1", "sets2"));
System.out.println("sets1和sets2差集:"+jedis.sdiff("sets1", "sets2"));//差集:set1中有,set2中没有的元素

}

/**
* SortedSet  排序的set
*/
private void SortedSetOperate()
{
System.out.println("======================zset==========================");
// 清空数据
System.out.println(jedis.flushDB());

System.out.println("=============增=============");
System.out.println("zset中添加元素element001:"+shardedJedis.zadd("zset", 7.0, "element001"));
System.out.println("zset中添加元素element002:"+shardedJedis.zadd("zset", 8.0, "element002"));
System.out.println("zset中添加元素element003:"+shardedJedis.zadd("zset", 2.0, "element003"));
System.out.println("zset中添加元素element004:"+shardedJedis.zadd("zset", 3.0, "element004"));
System.out.println("zset集合中的所有元素:"+shardedJedis.zrange("zset", 0, -1));//按照权重值排序
System.out.println();

System.out.println("=============删=============");
System.out.println("zset中删除元素element002:"+shardedJedis.zrem("zset", "element002"));
System.out.println("zset集合中的所有元素:"+shardedJedis.zrange("zset", 0, -1));
System.out.println();

System.out.println("=============改=============");
System.out.println();

System.out.println("=============查=============");
System.out.println("统计zset集合中的元素中个数:"+shardedJedis.zcard("zset"));
System.out.println("统计zset集合中权重某个范围内(1.0——5.0),元素的个数:"+shardedJedis.zcount("zset", 1.0, 5.0));
System.out.println("查看zset集合中element004的权重:"+shardedJedis.zscore("zset", "element004"));
System.out.println("查看下标1到2范围内的元素值:"+shardedJedis.zrange("zset", 1, 2));

}

/**
*
*/
private void HashOperate()
{
System.out.println("======================hash==========================");
//清空数据
System.out.println(jedis.flushDB());

System.out.println("=============增=============");
System.out.println("hashs中添加key001和value001键值对:"+shardedJedis.hset("hashs", "key001", "value001"));
System.out.println("hashs中添加key002和value002键值对:"+shardedJedis.hset("hashs", "key002", "value002"));
System.out.println("hashs中添加key003和value003键值对:"+shardedJedis.hset("hashs", "key003", "value003"));
System.out.println("新增key004和4的整型键值对:"+shardedJedis.hincrBy("hashs", "key004", 4l));
System.out.println("hashs中的所有值:"+shardedJedis.hvals("hashs"));
System.out.println();

System.out.println("=============删=============");
System.out.println("hashs中删除key002键值对:"+shardedJedis.hdel("hashs", "key002"));
System.out.println("hashs中的所有值:"+shardedJedis.hvals("hashs"));
System.out.println();

System.out.println("=============改=============");
System.out.println("key004整型键值的值增加100:"+shardedJedis.hincrBy("hashs", "key004", 100l));
System.out.println("hashs中的所有值:"+shardedJedis.hvals("hashs"));
System.out.println();

System.out.println("=============查=============");
System.out.println("判断key003是否存在:"+shardedJedis.hexists("hashs", "key003"));
System.out.println("获取key004对应的值:"+shardedJedis.hget("hashs", "key004"));
System.out.println("批量获取key001和key003对应的值:"+shardedJedis.hmget("hashs", "key001", "key003"));
System.out.println("获取hashs中所有的key:"+shardedJedis.hkeys("hashs"));
System.out.println("获取hashs中所有的value:"+shardedJedis.hvals("hashs"));
System.out.println();

}


}

运行结果


======================key==========================

清空库中所有数据:OK

判断key999键是否存在:false

新增key001,value001键值对:OK

判断key001是否存在:true

新增key002,value002键值对:OK

系统中所有键如下:

key002

key001

系统中删除key002: 1

判断key002是否存在:false

设置 key001的过期时间为5秒:1

查看key001的剩余生存时间:3

移除key001的生存时间:1

查看key001的剩余生存时间:-1

查看key所储存的值的类型:string

======================String_1==========================

清空库中所有数据:OK

=============增=============

已新增的3个键值对如下:

value001

value002

value003

=============删=============

删除key003键值对:1

获取key003键对应的值:null

=============改=============

直接覆盖key001原来的数据:OK

获取key001对应的新值:value001-update

在key002原来值后面追加:21

获取key002对应的新值value002+appendString

=============增,删,查(多个)=============

一次性新增key201,key202,key203,key204及其对应值:OK

一次性获取key201,key202,key203,key204各自对应的值:[value201, value202, value203, value204]

一次性删除key201,key202:2

一次性获取key201,key202,key203,key204各自对应的值:[null, null, value203, value204]

======================String_2==========================

清空库中所有数据:OK

=============新增键值对时防止覆盖原先值=============

原先key301不存在时,新增key301:1

原先key302不存在时,新增key302:1

当key302存在时,尝试新增key302:0

获取key301对应的值:value301

获取key302对应的值:value302

=============超过有效期键值对被删除=============

新增key303,并指定过期时间为2秒OK

获取key303对应的值:key303-2second

3秒之后,获取key303对应的值:null

=============获取原值,更新为新值一步完成=============

key302原值:value302

key302新值:value302-after-getset

=============获取子串=============

获取key302对应值中的子串:302

======================list==========================

清空库中所有数据:OK

=============增=============

所有元素-stringlists:[HashList, SerialList, MapList, LinkedList, vector, vector, ArrayList, vector]

所有元素-numberlists:[2, 5, 1, 3]

=============删=============

成功删除指定元素个数-stringlists:2

删除指定元素之后-stringlists:[HashList, SerialList, MapList, LinkedList, ArrayList, vector]

删除下标0-3区间之外的元素:OK

删除指定区间之外元素后-stringlists:[HashList, SerialList, MapList, LinkedList]

出栈元素:HashList

元素出栈后-stringlists:[SerialList, MapList, LinkedList]

=============改=============

下标为0的值修改后-stringlists:[hello list!, MapList, LinkedList]

=============查=============

长度-stringlists:3

长度-numberlists:4

返回排序后的结果-stringlists:[LinkedList, MapList, hello list!]

返回排序后的结果-numberlists:[1, 2, 3, 5]

子串-第二个开始到结束:[MapList, LinkedList]

获取下标为2的元素:LinkedList

======================set==========================

清空库中所有数据:OK

=============增=============

向sets集合中加入元素element001:1

向sets集合中加入元素element002:1

向sets集合中加入元素element003:1

向sets集合中加入元素element004:1

查看sets集合中的所有元素:[element001, element002, element003, element004]

=============删=============

集合sets中删除元素element003:1

查看sets集合中的所有元素:[element001, element002, element004]

=============改=============

=============查=============

判断element001是否在集合sets中:true

循环查询获取sets中的每个元素:

element001

element002

element004

=============集合运算=============

sets1中添加元素element001:1

sets1中添加元素element002:1

sets1中添加元素element003:1

sets1中添加元素element002:1

sets1中添加元素element003:1

sets1中添加元素element004:1

查看sets1集合中的所有元素:[element001, element002, element003]

查看sets2集合中的所有元素:[element002, element003, element004]

sets1和sets2交集:[element002, element003]

sets1和sets2并集:[element001, element002, element003, element004]

sets1和sets2差集:[element001]

======================zset==========================

OK

=============增=============

zset中添加元素element001:1

zset中添加元素element002:1

zset中添加元素element003:1

zset中添加元素element004:1

zset集合中的所有元素:[element003, element004, element001, element002]

=============删=============

zset中删除元素element002:1

zset集合中的所有元素:[element003, element004, element001]

=============改=============

=============查=============

统计zset集合中的元素中个数:3

统计zset集合中权重某个范围内(1.0——5.0),元素的个数:2

查看zset集合中element004的权重:3.0

查看下标1到2范围内的元素值:[element004, element001]

======================hash==========================

OK

=============增=============

hashs中添加key001和value001键值对:1

hashs中添加key002和value002键值对:1

hashs中添加key003和value003键值对:1

新增key004和4的整型键值对:4

hashs中的所有值:[value001, value002, value003, 4]

=============删=============

hashs中删除key002键值对:1

hashs中的所有值:[value001, value003, 4]

=============改=============

key004整型键值的值增加100:104

hashs中的所有值:[value001, value003, 104]

=============查=============

判断key003是否存在:true

获取key004对应的值:104

批量获取key001和key003对应的值:[value001, value003]

获取hashs中所有的key:[key004, key003, key001]

获取hashs中所有的value:[value001, value003, 104]

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