From e180e151ee8369fcff917d878b3fb15b72d06d31 Mon Sep 17 00:00:00 2001
From: xuhy <3313886187@qq.com>
Date: 星期一, 27 二月 2023 18:16:31 +0800
Subject: [PATCH] Merge remote-tracking branch 'origin/master'
---
user/guns-admin/src/main/java/com/supersavedriving/user/modular/system/util/RedisUtil.java | 239 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 239 insertions(+), 0 deletions(-)
diff --git a/user/guns-admin/src/main/java/com/supersavedriving/user/modular/system/util/RedisUtil.java b/user/guns-admin/src/main/java/com/supersavedriving/user/modular/system/util/RedisUtil.java
new file mode 100644
index 0000000..218ef97
--- /dev/null
+++ b/user/guns-admin/src/main/java/com/supersavedriving/user/modular/system/util/RedisUtil.java
@@ -0,0 +1,239 @@
+package com.supersavedriving.user.modular.system.util;
+
+import com.supersavedriving.user.core.util.ToolUtil;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Component;
+import org.springframework.util.StringUtils;
+import redis.clients.jedis.Jedis;
+import redis.clients.jedis.JedisPool;
+import redis.clients.jedis.Pipeline;
+
+import java.io.IOException;
+import java.util.*;
+
+
+/**
+ * Redis工具类
+ */
+@Component
+public class RedisUtil {
+
+ @Autowired
+ private JedisPool jedisPool;
+
+ private Timer timer;
+
+
+ /**
+ * 向redis中存储字符串没有过期时间
+ * @param key
+ * @param value
+ */
+ public void setStrValue(String key, String value){
+ if(ToolUtil.isNotEmpty(key) && ToolUtil.isNotEmpty(value)){
+ Jedis resource = jedisPool.getResource();
+ String set = resource.set(key, value);
+ closeJedis(resource);
+ }
+ }
+
+
+ /**
+ * 以分钟为单位设置存储值（设置过期时间）
+ * @param key
+ * @param value
+ * @param time 秒
+ */
+ public void setStrValue(String key, String value, int time){
+ if(ToolUtil.isNotEmpty(key) && ToolUtil.isNotEmpty(value)){
+ Jedis resource = jedisPool.getResource();
+ String setex = resource.setex(key, time, value);
+ closeJedis(resource);
+ }
+ }
+
+
+ /**
+ * 从redis中获取值
+ * @param key
+ * @return
+ */
+ public String getValue(String key){
+ if(ToolUtil.isNotEmpty(key)){
+ Jedis resource = jedisPool.getResource();
+ String data = resource.get(key);
+ closeJedis(resource);
+ return data;
+ }
+ return null;
+ }
+
+
+ /**
+ * 批量获取
+ * @param kes
+ * @return
+ */
+ public List<Object> getValues(List<String> kes){
+ if(null != kes){
+ Jedis resource = jedisPool.getResource();
+ Pipeline pipelined = resource.pipelined();
+ for(String key : kes){
+ pipelined.get(key);
+ }
+ List<Object> list = pipelined.syncAndReturnAll();
+
+ closeJedis(resource);
+ pipelined.clear();
+ try {
+ pipelined.close();
+ } catch (IOException e) {
+ e.printStackTrace();
+ }
+ List<Object> data = new ArrayList<>();
+ for(Object o : list){
+ if(null != o){
+ data.add(o);
+ }
+ }
+ return data;
+ }
+ return null;
+ }
+
+
+ /**
+ * 删除key
+ * @param key
+ */
+ public void remove(String key){
+ if(ToolUtil.isNotEmpty(key)){
+ Jedis resource = jedisPool.getResource();
+ Long del = resource.del(key);
+ closeJedis(resource);
+ }
+ }
+
+
+ /**
+ * 向集合key添加数据
+ * @param key
+ * @param members
+ */
+ public void addSetValue(String key, String...members){
+ if(ToolUtil.isNotEmpty(key) && ToolUtil.isNotEmpty(members)){
+ Jedis resource = jedisPool.getResource();
+ Long sadd = resource.sadd(key, members);
+ resource.close();
+ }
+ }
+
+
+ /**
+ * 返回Set集合数据
+ * @param key
+ * @return
+ */
+ public Set<String> getSetAllValue(String key){
+ Set<String> smembers = new HashSet<>();
+ if(ToolUtil.isNotEmpty(key)){
+ Jedis resource = jedisPool.getResource();
+ smembers = resource.smembers(key);
+ resource.close();
+ }
+ return smembers;
+ }
+
+
+ /**
+ * 删除Set集合中的值
+ * @param key
+ * @param members
+ */
+ public void delSetValue(String key, String...members){
+ if(ToolUtil.isNotEmpty(key) && ToolUtil.isNotEmpty(members)){
+ Jedis resource = jedisPool.getResource();
+ Long sadd = resource.srem(key, members);
+ resource.close();
+ }
+ }
+
+
+ /**
+ * 删除资源
+ * @param jedis
+ */
+ public void closeJedis(Jedis jedis){
+ if(null != jedis){
+ jedis.close();
+ }
+ }
+
+
+ /**
+ * redis加锁
+ * @param key
+ * @param value
+ * @param time
+ * @return
+ */
+ public boolean lock(String key, String value, int time){
+ if(!StringUtils.isEmpty(key)){
+ key += "_lock";
+ Jedis resource = jedisPool.getResource();
+ String set = resource.set(key, value, "nx", "ex", time);
+ if("OK".equals(set)){
+ String finalKey = key;
+ timer = new Timer();
+ timer.schedule(new TimerTask() {
+ @Override
+ public void run() {
+ System.err.println("定时任务启动");
+ Jedis resource = jedisPool.getResource();
+ resource.setex(finalKey, time, value);
+ resource.close();
+ }
+ }, 1000, 500);
+ }
+ resource.close();
+ return "OK".equals(set) ? true : false;
+ }
+ return false;
+ }
+
+ /**
+ * 获取redis锁
+ * @param time
+ * @return
+ */
+ public boolean lock(int time){
+ String uuid = UUID.randomUUID().toString();
+ return lock("redis", uuid, time);
+ }
+
+
+ /**
+ * redis释放锁
+ * @param key
+ * @return
+ */
+ public boolean unlock(String key){
+ if(!StringUtils.isEmpty(key)){
+ key += "_lock";
+ Jedis resource = jedisPool.getResource();
+ timer.cancel();//取消定时任务
+ Long del = resource.del(key);
+ resource.close();
+ return del != 0 ? true : false;
+ }
+ return false;
+ }
+
+ /**
+ * 删除锁
+ * @return
+ */
+ public boolean unlock(){
+ return unlock("redis");
+ }
+}
--
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