解决web项目中出现的乱码问题，很方便

package com.cn.fjnl.encoding; 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 CharacterEncodingFilter implements Filter { public void destroy() { // TODO Auto-generated method stub } public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException { request.setCharacterEncoding("GBK"); chain.doFilter(request, response); } public void init(FilterConfig filterConfig) throws ServletException { // TODO Auto-generated method stub } }