package com.stylefeng.guns.modular.system.util;
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import com.alibaba.fastjson.JSON;
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import com.alibaba.fastjson.JSONObject;
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import com.stylefeng.guns.core.util.ToolUtil;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.http.HttpEntity;
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import org.springframework.http.HttpHeaders;
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import org.springframework.http.MediaType;
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import org.springframework.stereotype.Component;
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import org.springframework.util.LinkedMultiValueMap;
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import org.springframework.util.MultiValueMap;
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import org.springframework.util.StringUtils;
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import org.springframework.web.client.RestTemplate;
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import redis.clients.jedis.Jedis;
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import redis.clients.jedis.JedisPool;
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import redis.clients.jedis.Pipeline;
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import java.io.IOException;
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import java.util.*;
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/**
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* Redis工具类
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*/
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@Component
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public class RedisUtil {
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@Autowired
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private JedisPool jedisPool;
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private Timer timer;
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/**
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* 向redis中存储字符串没有过期时间
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* @param key
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* @param value
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*/
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public void setStrValue(String key, String value){
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if(ToolUtil.isNotEmpty(key) && ToolUtil.isNotEmpty(value)){
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Jedis resource = jedisPool.getResource();
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String set = resource.set(key, value);
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closeJedis(resource);
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}
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}
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/**
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* 以分钟为单位设置存储值（设置过期时间）
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* @param key
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* @param value
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* @param time 秒
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*/
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public void setStrValue(String key, String value, int time){
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if(ToolUtil.isNotEmpty(key) && ToolUtil.isNotEmpty(value)){
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Jedis resource = jedisPool.getResource();
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String setex = resource.setex(key, time, value);
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closeJedis(resource);
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}
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}
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/**
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* 从redis中获取值
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* @param key
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* @return
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*/
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public String getValue(String key){
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if(ToolUtil.isNotEmpty(key)){
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Jedis resource = jedisPool.getResource();
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String data = resource.get(key);
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closeJedis(resource);
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return data;
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}
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return null;
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}
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/**
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* 批量获取
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* @param kes
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* @return
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*/
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public List<Object> getValues(List<String> kes){
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if(null != kes){
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Jedis resource = jedisPool.getResource();
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Pipeline pipelined = resource.pipelined();
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for(String key : kes){
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pipelined.get(key);
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}
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List<Object> list = pipelined.syncAndReturnAll();
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closeJedis(resource);
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pipelined.clear();
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try {
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pipelined.close();
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} catch (IOException e) {
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e.printStackTrace();
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}
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List<Object> data = new ArrayList<>();
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for(Object o : list){
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if(null != o){
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data.add(o);
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}
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}
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return data;
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}
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return null;
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}
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/**
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* 删除key
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* @param key
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*/
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public void remove(String key){
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if(ToolUtil.isNotEmpty(key)){
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Jedis resource = jedisPool.getResource();
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Long del = resource.del(key);
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closeJedis(resource);
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}
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}
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/**
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* 向集合key添加数据
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* @param key
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* @param members
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*/
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public void addSetValue(String key, String...members){
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if(ToolUtil.isNotEmpty(key) && ToolUtil.isNotEmpty(members)){
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Jedis resource = jedisPool.getResource();
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Long sadd = resource.sadd(key, members);
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resource.close();
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}
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}
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/**
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* 返回Set集合数据
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* @param key
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* @return
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*/
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public Set<String> getSetAllValue(String key){
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Set<String> smembers = new HashSet<>();
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if(ToolUtil.isNotEmpty(key)){
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Jedis resource = jedisPool.getResource();
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smembers = resource.smembers(key);
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resource.close();
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}
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return smembers;
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}
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/**
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* 删除Set集合中的值
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* @param key
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* @param members
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*/
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public void delSetValue(String key, String...members){
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if(ToolUtil.isNotEmpty(key) && ToolUtil.isNotEmpty(members)){
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Jedis resource = jedisPool.getResource();
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Long sadd = resource.srem(key, members);
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resource.close();
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}
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}
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/**
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* 删除资源
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* @param jedis
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*/
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public void closeJedis(Jedis jedis){
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if(null != jedis){
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jedis.close();
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}
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}
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/**
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* redis加锁
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* @param key
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* @param value
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* @param time
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* @return
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*/
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public boolean lock(String key, String value, int time){
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if(!StringUtils.isEmpty(key)){
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key += "_lock";
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Jedis resource = jedisPool.getResource();
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String set = resource.set(key, value, "nx", "ex", time);
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if("OK".equals(set)){
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String finalKey = key;
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timer = new Timer();
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timer.schedule(new TimerTask() {
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@Override
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public void run() {
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System.err.println("定时任务启动");
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Jedis resource = jedisPool.getResource();
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resource.setex(finalKey, time, value);
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resource.close();
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}
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}, 1000, 500);
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}
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resource.close();
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return "OK".equals(set) ? true : false;
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}
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return false;
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}
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/**
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* 获取redis锁
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* @param time
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* @return
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*/
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public boolean lock(int time){
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String uuid = UUID.randomUUID().toString();
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return lock("redis", uuid, time);
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}
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public boolean lock(String key, int time){
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String uuid = UUID.randomUUID().toString();
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return lock(key, uuid, time);
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}
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/**
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* redis释放锁
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* @param key
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* @return
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*/
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public boolean unlock(String key){
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if(!StringUtils.isEmpty(key)){
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key += "_lock";
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Jedis resource = jedisPool.getResource();
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timer.cancel();//取消定时任务
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Long del = resource.del(key);
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resource.close();
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return del != 0 ? true : false;
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}
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return false;
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}
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/**
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* 删除锁
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* @return
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*/
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public boolean unlock(){
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return unlock("redis");
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}
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}
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