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Filter解決Struts中文編碼問題

Filter定義：

package filter;

import javax.servlet.Filter;

import javax.servlet.FilterConfig;

import javax.servlet.ServletException;

import javax.servlet.ServletRequest;

import javax.servlet.ServletResponse;

import javax.servlet.FilterChain;

import java.io.IOException;

public class CharacterEncodingFilter implements Filter {

protected FilterConfig filterConfig;

protected String encodingName;

protected boolean enable;

public CharacterEncodingFilter() {

this.encodingName = "UTF-8";

this.enable = false;

}

public void init(FilterConfig filterConfig) throws ServletException {

this.filterConfig = filterConfig;

loadConfigParams();

}

private void loadConfigParams() {

this.encodingName = this.filterConfig.getInitParameter("encoding");

String strIgnoreFlag = this.filterConfig.getInitParameter("enable");

if (strIgnoreFlag.equalsIgnoreCase("true")) {

this.enable = true;

} else {

this.enable = false;

}

public void doFilter(ServletRequest request, ServletResponse response,

FilterChain chain) throws IOException, ServletException {

if (this.enable) {

request.setCharacterEncoding(this.encodingName);

}

chain.doFilter(request, response);

}

public void destroy() {

}

Web.xml定義

<?xml version="1.0" encoding="iso-8859-1"?>

<!--

Licensed to the Apache Software Foundation (ASF) under one or more

contributor license agreements. See the NOTICE file distributed with

this work for additional information regarding copyright ownership.

The ASF licenses this file to You under the Apache License, Version 2.0

(the "License"); you may not use this file except in compliance with

the License. You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software

distributed under the License is distributed on an "AS IS" BASIS,

WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

See the License for the specific language governing permissions and

limitations under the License.

-->

<!DOCTYPE web-app PUBLIC

"-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"

"http://java.sun.com/dtd/web-app_2_3.dtd">

<web-app>

<display-name>Struts Examples Application</display-name>

<servlet-name>action</servlet-name>

<servlet-class>org.apache.struts.action.ActionServlet</servlet-class>

<init-param>

<param-name>config</param-name>

<param-value>

/WEB-INF/struts-config.xml,

/WEB-INF/struts-config-Wildcard.xml

</param-value>

</init-param>

<load-on-startup>2</load-on-startup>

</servlet>

<servlet-mapping>

<servlet-name>action</servlet-name>

<url-pattern>*.do</url-pattern>

</servlet-mapping>

<filter-name>CharacterEncoding</filter-name>

<filter-class>filter.CharacterEncodingFilter</filter-class>

<init-param>

<param-name>encoding</param-name>

<param-value>UTF-8</param-value>

</init-param>

<init-param>

<param-name>enable</param-name>

<param-value>true</param-value>

</init-param>

</filter>

<filter-mapping>

<filter-name>CharacterEncoding</filter-name>

<servlet-name>action</servlet-name>

</filter-mapping>

<welcome-file-list>

<welcome-file>index.jsp</welcome-file>

</welcome-file-list>

</web-app>

posted on 2008-07-17 23:59 MingIsMe 閱讀(586) 評論(0) 編輯收藏所屬分類: 06 J2EE

Samuel Learning

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Filter解決Struts中文編碼問題