spring使用ehcache实现页面缓存示例

<dependency>
  <groupId>net.sf.ehcache</groupId>
  <artifactId>ehcache-web</artifactId>
  <version>2.0.4</version>
</dependency> 

<!-- 页面缓存过滤器 -->
<!-- 添加缓存 -->
<filter>
  <filter-name>testPageAddCachingFilter</filter-name>
  <filter-class>org.xs.demo1.TestPageCachingFilter</filter-class>
  <init-param>
    <param-name>cacheName</param-name>
    <param-value>testPageCache</param-value>
  </init-param>
</filter>

<filter-mapping>
  <filter-name>testPageAddCachingFilter</filter-name>
  <url-pattern>/hello/list</url-pattern>
  <url-pattern>/hello/list2</url-pattern>
  <url-pattern>/hello/view/*</url-pattern>
</filter-mapping>
<!-- 清除缓存 -->
<filter>
  <filter-name>testPageRemoveCachingFilter</filter-name>
  <filter-class>org.xs.demo1.TestPageRemoveCachingFilter</filter-class>
  <init-param>
    <param-name>cacheName</param-name>
    <param-value>testPageCache</param-value>
  </init-param>
</filter>
<filter-mapping>
  <filter-name>testPageRemoveCachingFilter</filter-name>
  <url-pattern>/hello/update/*</url-pattern>
  <url-pattern>/hello/delete/*</url-pattern>
</filter-mapping>

<cache name="testPageCache" 

  maxEntriesLocalHeap="10000"

  maxEntriesLocalDisk="100000"

  overflowToDisk="true"

  eternal="false"

  timeToIdleSeconds="300"

  timeToLiveSeconds="600"

/>

package org.xs.demo1;

import net.sf.ehcache.CacheManager;

import net.sf.ehcache.constructs.web.filter.SimplePageCachingFilter; 

public class TestPageCachingFilter extends SimplePageCachingFilter {  

  @Override

  protected CacheManager getCacheManager() {

    return ((CacheManager)ContextUtils.getBean("ehcacheManager"));

  }

} 

package org.xs.demo1;

import java.io.IOException; 

import javax.servlet.FilterChain;

import javax.servlet.ServletException;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse; 

import net.sf.ehcache.Ehcache; 

public class TestPageRemoveCachingFilter extends TestPageCachingFilter {   

  @Override

  protected void doFilter(final HttpServletRequest httpRequest, final HttpServletResponse httpResponse, final FilterChain chain) throws ServletException, IOException {

    Ehcache ehcache = getCacheManager().getEhcache(getCacheName());

    //清除缓存

    ehcache.removeAll();

    //请求继续执行

    chain.doFilter(httpRequest, httpResponse);

  }

}