JSP传值中文乱码解决办法之——过滤器
在国内项目中，经常会遇到页面传值为中文的情况，经常会遇到乱码。
现将我之前的一个过滤器放上来，供大家参考。(注：版权声明中的CottSoft.com为本人的项目，所以大家放心用。)
定义过滤器：
CharacterEncodingFilter.java
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/* ************************************************************************** * Confidentiality Information: * * This module is the confidential and proprietary information of * CottSoft.com; it is not to be copied, reproduced, or * transmitted in any form, by any means, in whole or in part, * nor is it to be used for any purpose other than that for which * it is expressly provided without the written permission of * CottSoft.com. * ************************************************************************** * * PROGRAM DESCRIPTION: * * This filter is processing Chinese code. * * * ************************************************************************** * CHANGE HISTORY: * * Date: by: Reason: * YYYY-MM-DD IN Reason text. * * 2010-11-28 Simon HooInitial Version. ************************************************************************* */package com.cottsoft.common.filter;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 {private String encoding = null;public void init(FilterConfig filterConfig) throws ServletException {this.encoding = filterConfig.getInitParameter("encoding");}public void doFilter(ServletRequest request, ServletResponse response,FilterChain filterChain) throws IOException, ServletException {request.setCharacterEncoding(encoding);response.setContentType("text/html;charset=" + encoding);filterChain.doFilter(request, response);}public void destroy() {// destroy code.}}?
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配制web.xml
<?xml version="1.0" encoding="UTF-8"?><web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" id="WebApp_ID" version="2.5"> <display-name>cottsoft</display-name> <welcome-file-list> <welcome-file>index.jsp</welcome-file> </welcome-file-list> <filter> <filter-name>CharacterEncodingFilter</filter-name> <filter-class>com.cottsoft.common.filter.CharacterEncodingFilter</filter-class> <init-param> <param-name>encoding</param-name> <param-value>GBK</param-value> </init-param> </filter> <filter-mapping> <filter-name>CharacterEncodingFilter</filter-name> <url-pattern>/*</url-pattern> </filter-mapping></web-app>
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