spring中整合memcached,以及创建memcache的put和get方法

时间:2023-03-09 00:01:15
spring中整合memcached,以及创建memcache的put和get方法

spring中整合memcached,以及创建memcache的put和get方法:

1:在项目中导入memcache相关的jar包

spring中整合memcached,以及创建memcache的put和get方法

2:memcache在spring.xml的配置:

spring中整合memcached,以及创建memcache的put和get方法

代码:

 <?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans.xsd">
<!-- XMemcachedClientFactoryBean工厂配置-->
<bean id="memcachedClient" class="net.rubyeye.xmemcached.utils.XMemcachedClientFactoryBean">
<property name="servers" value="${memcache.servers}"/>
<property name="weights" value="${memcache.servers.weight}"/>
<property name="sessionLocator">
<bean class="net.rubyeye.xmemcached.impl.KetamaMemcachedSessionLocator"/>
</property>
<property name="transcoder">
<bean class="net.rubyeye.xmemcached.transcoders.SerializingTranscoder"/>
</property>
<property name="bufferAllocator">
<bean class="net.rubyeye.xmemcached.buffer.SimpleBufferAllocator"/>
</property>
</bean>
<!--自己封装的api类-->
<bean class="com.floor.shop.map.MemcachedAccess">
<property name="memcachedClient" ref="memcachedClient"/>
</bean>
</beans>

3:memcache在db.properties中的配置:

spring中整合memcached,以及创建memcache的put和get方法

4:在spring的主配置文件中引入memcache的相关配置:

spring中整合memcached,以及创建memcache的put和get方法

5:自己封装好的memcache方法(get(),   put(),  flushAll() )

 package com.floor.shop.map;

 import net.rubyeye.xmemcached.MemcachedClient;
import net.rubyeye.xmemcached.exception.MemcachedException; import java.util.concurrent.TimeoutException; public class MemcachedAccess {
private MemcachedClient memcachedClient;
/*
* 将memcachedClient交给spring管理
* (就需提供下面的get和set方法)
*/
public MemcachedClient getMemcachedClient() {
return memcachedClient;
} public void setMemcachedClient(MemcachedClient memcachedClient) {
this.memcachedClient = memcachedClient;
} /*
* memcache基于HashMap所以通过key,value的形式放值和取值。
* memcachedClient提供了add方法进行放值,add方法需要传递三个参数String var1, int var2, Object var3
* 分别表示:var1:key; var2:缓存的时间; var3:key对应的值
* 对外提供put方法往memcache里面放值:
*/
public boolean put(String key, Integer time, String value) {
try {
boolean add = memcachedClient.add(key, time, value);
return add;
} catch (TimeoutException e) {
e.printStackTrace();
} catch (InterruptedException e) {
e.printStackTrace();
} catch (MemcachedException e) {
e.printStackTrace();
}
return false;
} /*
*如果把时间写成死的数据:1天,就不需要传时间进来
* memcache的缓存时间是以秒为单位,默认缓存好像是一个月。
*/
public boolean put(String key , String value) {
try {
boolean add = memcachedClient.add(key, 1*24*60, value);
return add;
} catch (TimeoutException e) {
e.printStackTrace();
} catch (InterruptedException e) {
e.printStackTrace();
} catch (MemcachedException e) {
e.printStackTrace();
}
return false;
} /*
* 对外提供取值的get方法
*/
public String get(String key){
try {
String value = (String)memcachedClient.get(key);
return value;
} catch (TimeoutException e) {
e.printStackTrace();
} catch (InterruptedException e) {
e.printStackTrace();
} catch (MemcachedException e) {
e.printStackTrace();
}
return null;
} //对外提供清除所有缓存的方法:
public void flushAll(){
try {
memcachedClient.flushAll();
} catch (TimeoutException e) {
e.printStackTrace();
} catch (InterruptedException e) {
e.printStackTrace();
} catch (MemcachedException e) {
e.printStackTrace();
}
} }