添加一个默认的出错页面

 给struts2添加一个默认的出错页面

<default-action-ref name="notFound" />
     <action name="notFound"  >
     <result>/error.jspresult>
     action>

servlet中添加默认的

<error-page>
    <error-code>404error-code>
    <location>/error.jsplocation>
error-page>

如何添加一个过滤器

 

<filter>
    <filter-name>filterTestfilter-name>
    <filter-class>com.filer.Filtertestfilter-class>
filter>
<filter-mapping>
    <filter-name>filterTestfilter-name>
    <url-pattern>/*url-pattern>
filter-mapping>

 

package com.filer;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;

public class Filtertest implements Filter {

    @Override
    public void destroy() {
        // TODO Auto-generated method stub

    }

    @Override
    public void doFilter(ServletRequest request, ServletResponse response,
            FilterChain filter) throws IOException, ServletException {
        // TODO Auto-generated method stub
        request.setCharacterEncoding("UTF-8");
        response.setCharacterEncoding("UTF-8");
        System.out.println("访问该主机的ip是:"+request.getRemoteAddr());
        filter.doFilter(request, response);
    }

    @Override
    public void init(FilterConfig arg0) throws ServletException {
        // TODO Auto-generated method stub

    }

}