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云之南

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专业背景:计算机科学 研究方向与兴趣: JavaEE-Web软件开发, 生物信息学, 数据挖掘与机器学习, 智能信息系统 目前工作: 基因组, 转录组, NGS高通量数据分析, 生物数据挖掘, 植物系统发育和比较进化基因组学

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struts/JSP中文乱码问题解决方法  

2008-04-04 21:37:12|  分类: java-j2ee |  标签: |举报 |字号 订阅

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整体思想,编码方法统一(utf-8)
页面显示中文乱码
解决方法:
<%@ page pageEncoding="utf-8"%>
传递参数中文乱码
1 修改TOMCAT的server.xml中的
<Connector port="8080" -----省略
加入 URIEncoding="UTF-8"/>
2 编写过滤器(Filter)
过滤器方法1 如下:
package science;

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 SetCharacterEncodingFilter implements Filter{
 
 
 // ----------------------------------------------------- Instance Variables
 
 
 /**
  * The default character encoding to set for requests that pass through
  * this filter.
  */
 protected String encoding = null;
 
 
 /**
  * The filter configuration object we are associated with.  If this value
  * is null, this filter instance is not currently configured.
  */
 protected FilterConfig filterConfig = null;
 
 
 /**
  * Should a character encoding specified by the client be ignored?
  */
 protected boolean ignore = true;
 
 
 // --------------------------------------------------------- Public Methods
 
 
 /**
  * Take this filter out of service.
  */
 public void destroy() {
 
     this.encoding = null;
     this.filterConfig = null;
 
 }
 
 
 /**
  * Select and set (if specified) the character encoding to be used to
  * interpret request parameters for this request.
  *
  * @param request The servlet request we are processing
  * @param result The servlet response we are creating
  * @param chain The filter chain we are processing
  *
  * @exception IOException if an input/output error occurs
  * @exception ServletException if a servlet error occurs
  */
 public void doFilter(ServletRequest request, ServletResponse response,
                      FilterChain chain)
 throws IOException, ServletException {
 
     // Conditionally select and set the character encoding to be used
     if (ignore || (request.getCharacterEncoding() == null)) {
         String encoding = selectEncoding(request);
         if (encoding != null)
             request.setCharacterEncoding(encoding);
     }
 
 // Pass control on to the next filter
     try {
     chain.doFilter(request, response);
     }catch(Exception e) {
      e.printStackTrace();
     }
 }
 
 
 /**
  * Place this filter into service.
  *
  * @param filterConfig The filter configuration object
  */
 public void init(FilterConfig filterConfig) throws ServletException {
 
 this.filterConfig = filterConfig;
     this.encoding = filterConfig.getInitParameter("encoding");
     String value = filterConfig.getInitParameter("ignore");
     if (value == null)
         this.ignore = true;
     else if (value.equalsIgnoreCase("true"))
         this.ignore = true;
     else if (value.equalsIgnoreCase("yes"))
         this.ignore = true;
     else
         this.ignore = false;
 
 }
 
 
 // ------------------------------------------------------ Protected Methods
 
 
 /**
  * Select an appropriate character encoding to be used, based on the
  * characteristics of the current request and/or filter initialization
  * parameters.  If no character encoding should be set, return
  * <code>null</code>.
  * <p>
  * The default implementation unconditionally returns the value configured
  * by the <strong>encoding</strong> initialization parameter for this
  * filter.
  *
  * @param request The servlet request we are processing
  */
 protected String selectEncoding(ServletRequest request) {
 
     return (this.encoding);
 
 }
}
web.xml中的配置:
<filter>
    <filter-name>Set Character Encoding</filter-name>
    <filter-class>science.SetCharacterEncodingFilter</filter-class>
    <init-param>
      <param-name>encoding</param-name>
      <param-value>gb2312</param-value>
    </init-param>
  </filter>
  <filter-mapping>
    <filter-name>Set Character Encoding</filter-name>
    <url-pattern>/*</url-pattern>
  </filter-mapping>
过滤器方法2:
package com.zhaolei;

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 SetEncoding implements Filter {

 public void init(FilterConfig arg0) throws ServletException {
  // TODO 自动生成方法存根

 }

 public void doFilter(ServletRequest request, ServletResponse response,
   FilterChain chain) throws IOException, ServletException {
  // TODO 自动生成方法存根
  request.setCharacterEncoding("utf-8");
  chain.doFilter(request,response);

 }

 public void destroy() {
  // TODO 自动生成方法存根

 }

}
在 web.xml中的配置:
<filter>
  <filter-name> Set CharacterEncoding</filter-name>
  <filter-class>com.zhaolei.SetEncoding</filter-class>
</filter>
<filter-mapping>
    <filter-name>Set CharacterEncoding</filter-name>
    <url-pattern>/*</url-pattern>
</filter-mapping>
国际化中文乱码
方法1:
要把所要转换的文件放在在native2ascii所在的目录下如:本机为
 D:\Sun\AppServer\jdk\bin\native2ascii
native2ascii -encoding GBK ApplicationResources_zh.properties ApplicationResources_zh_CN.properties
方法2:使用ResourceBundle Editor 插件

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