使浏览器不缓存页面的过滤器

import javax.servlet.*;   
import javax.servlet.http.HttpServletResponse;   
import java.io.IOException;   
  
//使浏览器不缓存页面
public class ForceNoCacheFilter implements Filter {   
  
public void doFilter(ServletRequest request, ServletResponse response, FilterChain filterChain) throws IOException, ServletException   
 {   
  ((HttpServletResponse) response).setHeader("Cache-Control","no-cache");   
  ((HttpServletResponse) response).setHeader("Pragma","no-cache");   
  ((HttpServletResponse) response).setDateHeader ("Expires", -1);   
  filterChain.doFilter(request, response);   
 }   
  
 public void destroy()   
 {   
 }   
  
 public void init(FilterConfig filterConfig) throws ServletException   
 {   
 }   
}  

配置一下web.xml文件

<filter>
<filter-name>..</filter-name>
<filter-class>..</filter-class>
</filter>
<filter-mapping>
<filter-name>..</filter-name>
<url-pattern>..</url-pattern>
</filter-mapping>