1.解决谐波高级算法远程调用bug

2.新增redis,切库方法
This commit is contained in:
wr
2023-11-02 14:07:36 +08:00
parent c0c35152df
commit 7ccce51049
4 changed files with 86 additions and 1 deletions

View File

@@ -1,6 +1,7 @@
package com.njcn.redis.utils;
import lombok.RequiredArgsConstructor;
import org.springframework.data.redis.connection.lettuce.LettuceConnectionFactory;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.stereotype.Component;
@@ -68,6 +69,31 @@ public class RedisUtil {
return (String) redisTemplate.opsForValue().get(key);
}
/**
* 根据key和库索引获取内容字(切库之后,之后查询都是切库数据)
*
* @param dbIndex 指定库索引
* @param key key值
*/
public String getStringByKey(Integer dbIndex,String key) {
return getStringByKey(dbIndex,key,true);
}
/**
* 根据key和库索引获取内容字(切库之后,之后查询都是切库数据)
*
* @param dbIndex 指定库索引
* @param key key值
* @param fly 是否切回原库
*/
public String getStringByKey(Integer dbIndex,String key,Boolean fly) {
Integer index = setDbIndex(dbIndex);
String s = (String) redisTemplate.opsForValue().get(key);
if(fly){
setDbIndex(index);
}
return s;
}
/**
* 获取key对应对象数据
*/
@@ -101,6 +127,37 @@ public class RedisUtil {
redisTemplate.boundValueOps(key).set(value, expireTime, TimeUnit.SECONDS);
}
}
/**
* 保存数据,指定生命周期(秒)
*
* @param dbIndex 指定库索引
* @param key 键
* @param value 值
* @param expireTime 生命时间
* @param expireTime 生命时间
*/
public void saveByKeyWithExpire(Integer dbIndex,String key, Object value, Integer expireTime) {
saveByKeyWithExpire(dbIndex,key,value,expireTime,true);
}
/**
* 保存数据,指定生命周期(秒)
*
* @param dbIndex 指定库索引
* @param key 键
* @param value 值
* @param fly 是否切回原库
*/
public void saveByKeyWithExpire(Integer dbIndex,String key, Object value, Integer expireTime,Boolean fly) {
Integer index = setDbIndex(dbIndex);
if (expireTime <= 0) {
saveByKey(key, value);
} else {
redisTemplate.boundValueOps(key).set(value, expireTime, TimeUnit.SECONDS);
}
if(fly){
setDbIndex(index);
}
}
/**
* 顺序的递增和递减
@@ -242,4 +299,20 @@ public class RedisUtil {
}
return info;
}
private Integer setDbIndex(Integer dbIndex) {
if (dbIndex == null || dbIndex > 15 || dbIndex < 0) {
dbIndex = 0;
}
LettuceConnectionFactory jedisConnectionFactory = (LettuceConnectionFactory) redisTemplate
.getConnectionFactory();
int database = jedisConnectionFactory.getDatabase();
jedisConnectionFactory.setDatabase(dbIndex);
redisTemplate.setConnectionFactory(jedisConnectionFactory);
//需要刷新才能生效
jedisConnectionFactory.afterPropertiesSet();
// 重置连接
jedisConnectionFactory.resetConnection();
return database;
}
}