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
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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