【Struts 编码】

EncodingFilter

package k.filter;

import javax.servlet.*;
import javax.servlet.http.HttpServlet;
import java.io.IOException;

public class EncodingFilter extends HttpServlet implements javax.servlet.Filter {
    @Override
    public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse,
                         FilterChain filterChain) throws IOException, ServletException {
        servletRequest.setCharacterEncoding("utf-8");
        servletResponse.setCharacterEncoding("utf-8");
        filterChain.doFilter(servletRequest,servletResponse);
    }

    @Override
    public void init(FilterConfig filterConfig) throws ServletException {

    }
}

xml version="1.0" encoding="UTF-8"?>
<web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd"
         version="3.1">

    <servlet>
        <servlet-name>actionservlet-name>
        <servlet-class>org.apache.struts.action.ActionServletservlet-class>
        <init-param>
            <param-name>configparam-name>
            <param-value>/WEB-INF/config/struts-config.xmlparam-value>
        init-param>
        <load-on-startup>2load-on-startup>
    servlet>
    <servlet-mapping>
        <servlet-name>actionservlet-name>
        <url-pattern>*.dourl-pattern>
    servlet-mapping>

    <filter>
        <filter-name>EncodingFilterfilter-name>
        <filter-class>k.filter.EncodingFilterfilter-class>
    filter>
    <filter-mapping>
        <filter-name>EncodingFilterfilter-name>
        <url-pattern>/*url-pattern>
    filter-mapping>

    <welcome-file-list>
        <welcome-file>index.jspwelcome-file>
    welcome-file-list>
web-app>