向高手请教一个Filter设置的问题顶者有分！！

Question

      <init-param>
        <param-name>encoding</param-name>
        <param-value>GB2312</param-value>
      </init-param>
换成
      <init-param>
        <param-name>encoding</param-name>
        <param-value>GBK</param-value>
      </init-param>
试试

Answer 1

      <init-param>
        <param-name>encoding</param-name>
        <param-value>GB2312</param-value>
      </init-param>
换成
    <init-param>
      <param-name>encoding</param-name>
      <param-value>EUC_CN</param-value>
    </init-param>

Answer 2

还是不行啊。我听朋友说设置了Filter还要调用的，我没有调用过请问该如何调用啊！！

Answer 3

filter是用于处理response和request的filter的,按您的web.xml中的配置是应该可以的,你看一下,是不是每个页面都是这样,还是个别,还是输入,还是输出,还有数据库的编码

Answer 4

<filter-mapping>    
      <filter-name>setCharacterEncoding</filter-name>    
      <url-pattern>/*</url-pattern>
</filter-mapping>
已经截获所有的请求了。

Answer 5

<url-pattern>/*</url-pattern>
你的文件在根目录下吗？

Answer 6

通过filterServlet类：EncodingFilterpublic void doFilter(ServletRequest request, ServletResponse response, FilterChain filterChain) {
    try {
      request.setCharacterEncoding("gb2312");
      filterChain.doFilter(request, response);
    }
    catch(ServletException sx) {
      filterConfig.getServletContext().log(sx.getMessage());
    }
    catch(IOException iox) {
      filterConfig.getServletContext().log(iox.getMessage());
    }
  }