From 0cbabb6f4b9e00c1c659674a93db9feb5e62b33b Mon Sep 17 00:00:00 2001
From: chenjiahe <763432473@qq.com>
Date: 星期四, 16 六月 2022 15:05:02 +0800
Subject: [PATCH] 新增Redis切换数据库方法
---
src/main/java/com/hx/redis/RedisUtil.java | 186 ++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 185 insertions(+), 1 deletions(-)
diff --git a/src/main/java/com/hx/redis/RedisUtil.java b/src/main/java/com/hx/redis/RedisUtil.java
index dbcfa16..e17cf25 100644
--- a/src/main/java/com/hx/redis/RedisUtil.java
+++ b/src/main/java/com/hx/redis/RedisUtil.java
@@ -1,9 +1,11 @@
package com.hx.redis;
+import org.springframework.data.redis.connection.lettuce.LettuceConnectionFactory;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.stereotype.Component;
import javax.annotation.Resource;
+import java.util.List;
import java.util.Map;
import java.util.concurrent.TimeUnit;
@@ -22,6 +24,18 @@
@Resource
private RedisTemplate<String, Object> redisTemplate;
+ /**
+ * 鍒囨崲鏁版嵁搴�
+ * @param dataNumber 鏁版嵁搴撶紪鍙�
+ */
+ public void setDataBase(int dataNumber) {
+ LettuceConnectionFactory connectionFactory = (LettuceConnectionFactory) redisTemplate.getConnectionFactory();
+ if (connectionFactory != null && dataNumber != connectionFactory.getDatabase()) {
+ connectionFactory.setDatabase(dataNumber);
+ this.redisTemplate.setConnectionFactory(connectionFactory);
+ connectionFactory.resetConnection();
+ }
+ }
/**
* [鍒ゆ柇key鏄惁瀛樺湪]
@@ -198,7 +212,7 @@
* @param hashKey 閿�
* @return true鎴愬姛 false 澶辫触
*/
- public Object hashGet(String hashKey,String key) {
+ public Object hashGet(String hashKey,Object key) {
try {
return redisTemplate.opsForHash().get(hashKey,key);
} catch (Exception e) {
@@ -207,4 +221,174 @@
}
}
+ /**
+ * list 鏂板-宸︽彃鍏�
+ *
+ * @param listKey 閿�
+ * @return true鎴愬姛 false 澶辫触
+ */
+ public Object leftPush(String listKey,Object value) {
+ try {
+ return redisTemplate.opsForList().leftPush(listKey,value);
+ } catch (Exception e) {
+ e.printStackTrace();
+ return null;
+ }
+ }
+
+ /**
+ * list 鏂板-宸︽彃鍏�(瀛樺湪鎵嶆彃鍏�)
+ *
+ * @param listKey 閿�
+ * @return true鎴愬姛 false 澶辫触
+ */
+ public Object leftPushIfPresent(String listKey,Object value) {
+ try {
+ return redisTemplate.opsForList().leftPushIfPresent(listKey,value);
+ } catch (Exception e) {
+ e.printStackTrace();
+ return null;
+ }
+ }
+
+ /**
+ * list 鏂板-鍙虫彃鍏�(瀛樺湪鎵嶆彃鍏�)
+ *
+ * @param listKey 閿�
+ * @return true鎴愬姛 false 澶辫触
+ */
+ public Object rightPushIfPresent(String listKey,Object value) {
+ try {
+ return redisTemplate.opsForList().rightPushIfPresent(listKey,value);
+ } catch (Exception e) {
+ e.printStackTrace();
+ return null;
+ }
+ }
+
+ /**
+ * list 鏂板-鍙虫彃鍏�
+ *
+ * @param listKey 閿�
+ * @return true鎴愬姛 false 澶辫触
+ */
+ public Object rightPush(String listKey,Object value) {
+ try {
+ return redisTemplate.opsForList().rightPush(listKey,value);
+ } catch (Exception e) {
+ e.printStackTrace();
+ return null;
+ }
+ }
+
+ /**
+ * list 寮瑰嚭-宸�
+ *
+ * @param listKey 閿�
+ * @return true鎴愬姛 false 澶辫触
+ */
+ public Object leftPop(String listKey) {
+ try {
+ return redisTemplate.opsForList().leftPop(listKey);
+ } catch (Exception e) {
+ e.printStackTrace();
+ return null;
+ }
+ }
+
+ /**
+ * list 寮瑰嚭-鍙�
+ *
+ * @param listKey 閿�
+ * @return true鎴愬姛 false 澶辫触
+ */
+ public Object rightPop(String listKey) {
+ try {
+ return redisTemplate.opsForList().rightPop(listKey);
+ } catch (Exception e) {
+ e.printStackTrace();
+ return null;
+ }
+ }
+
+ /**
+ * list 鑾峰彇绱㈠紩涓嬬殑鍊�
+ *
+ * @param key 閿�
+ * @param index 绱㈠紩
+ * @return true鎴愬姛 false 澶辫触
+ */
+ public Object listGet(String key, long index) {
+ try {
+ return redisTemplate.opsForList().index(key,index);
+ } catch (Exception e) {
+ e.printStackTrace();
+ return null;
+ }
+ }
+
+ /**
+ * list 鑾峰彇绱㈠紩涓嬬殑鍊�
+ *
+ * @param key 閿�
+ * @param start 寮�濮嬩綅缃� 0鏄紑濮嬩綅缃�
+ * @param end 缁撴潫浣嶇疆,-1杩斿洖鎵�鏈�
+ * @return true鎴愬姛 false 澶辫触
+ */
+ public List<Object> listGetRange(String key, long start , long end) {
+ try {
+ return redisTemplate.opsForList().range(key, start, end);
+ } catch (Exception e) {
+ e.printStackTrace();
+ return null;
+ }
+ }
+
+ /**
+ * list 鑾峰彇闀垮害
+ *
+ * @param listKey 閿�
+ * @return true鎴愬姛 false 澶辫触
+ */
+ public Object listSize(String listKey) {
+ try {
+ return redisTemplate.opsForList().size(listKey);
+ } catch (Exception e) {
+ e.printStackTrace();
+ return null;
+ }
+ }
+
+ /**
+ * list 鍒犻櫎
+ *
+ * @param listKey 閿�
+ * @param index index=0, 鍒犻櫎鎵�鏈夊�肩瓑浜巚alue鐨勫厓绱�; index>0, 浠庡ご閮ㄥ紑濮嬪垹闄ょ涓�涓�肩瓑浜巚alue鐨勫厓绱�; index<0, 浠庡熬閮ㄥ紑濮嬪垹闄ょ涓�涓�肩瓑浜巚alue鐨勫厓绱�
+ * @param value 鍒犻櫎鐨勫��
+ * @return true鎴愬姛 false 澶辫触
+ */
+ public Object listRemove(String listKey,long index,Object value) {
+ try {
+ return redisTemplate.opsForList().remove(listKey, index, value);
+ } catch (Exception e) {
+ e.printStackTrace();
+ return null;
+ }
+ }
+
+ /**
+ * @param key 閿�
+ * @param value 鍊�
+ * @param timeOut 鏃堕棿
+ * @param unit 鏃堕棿鍗曚綅
+ */
+ public Boolean setIfAbsent(String key, Object value, long timeOut, TimeUnit unit) {
+ try {
+ return redisTemplate.opsForValue().setIfAbsent(key, value, timeOut, unit);
+ } catch (Exception e) {
+ e.printStackTrace();
+ return null;
+ }
+ }
+
}
--
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