使用過濾器,在web.xml中
<filter>
<filter-name>cacheControlFilter</filter-name>
<filter-class>com.package.CacheControlFilter</filter-class>
</filter>
<filter-mapping>
<filter-name>cacheControlFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
而且你的過濾器類
import javax.servlet.*;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.util.Date;
public class CacheControlFilter implements Filter {
public void doFilter(ServletRequest request, ServletResponse response,
FilterChain chain) throws IOException, ServletException {
HttpServletResponse resp = (HttpServletResponse) response;
resp.setHeader("Expires", "Tue, 25 Dec 1993 23:59:59 GMT");
resp.setHeader("Last-Modified", new Date().toString());
resp.setHeader("Cache-Control", "no-cache");
resp.setHeader("Pragma", "no-cache");
chain.doFilter(request, response);
}
}
我想這個配置過濾器。標題正在設置。但是我可以通過按下後退按鈕來查看頁面。是否有其他標題我應該設置? – 2012-01-10 09:22:00