tomacat5.028+Eclipse3.2+structs+sqlserver2000 中文乱码,该怎么解决

2012-01-05

tomacat5.028+Eclipse3.2+structs+sqlserver2000中文乱码用java开发一个简单的web应用，tomcat的server.xml

tomacat5.028+Eclipse3.2+structs+sqlserver2000 中文乱码
用java开发一个简单的web应用，tomcat的server.xml中设置URIEncoding= "GBK "，JSP页面中也加了如下语句：
1、 <%@ page contentType= "text/html;charset=GBK " language= "java " pageEncoding= "GBK " %>
2、 <META http-equiv=Content-Type content= "text/html; charset=GBK ">
每次都是第一次启动tomcat时显示正确，在“包资源管理器”工作区中点“刷新”后，再次打开浏览器时出现乱码，而且编译后的jsp里中文也是显示乱码，折腾一天了，哪位高手帮帮我吧，非常感谢!

以下是bbsLogin.jsp的代码：
其中：“用户名”对应的乱码是：鐢ㄦ埛鍚嶏細
“验证码”对应的乱码是：楠岃瘉鐮侊細
——---------------------------
<%@ page contentType= "text/html;charset=GBK " language= "java " pageEncoding= "GBK " %>

<HTML>
<HEAD>
<TITLE> 教育在线论坛 </TITLE>
<META http-equiv= "Content-Type " content= "text/html; charset=GBK ">
</HEAD>
<LINK
href= "images/style.css " type=text/css rel=stylesheet>

<BODY>
<TABLE style= "MARGIN-TOP: 10px " width=700 align=center border=0>
<TBODY>
<TR>
<TD align=middle> <IMG SRC= "images/logo.jpg " BORDER=0 > </TD>
</TR>
<TR>
<TD align=middle> <IMG height=3 src= "images/white.gif " width=10> </TD>
</TR>
</TBODY>
</TABLE>
<TABLE width=800 align=center border=0>
<TBODY>
<TR>
<TD width=99>   </TD>
<TD>
<TABLE height=107 cellSpacing=0 cellPadding=0 width=636 border=0>
<FORM name=FromLogin action= "login.do " method=post>
<TBODY>
<TR>
<TD background= "images/202.jpg " height=107 colSpan=2>
<IMG height=107 src= "images/201.gif " width=21>
</TD>
<TD> </TD>
<TD> </TD>
<TD> </TD>
<TD vAlign=top background= "images/202.jpg ">
<TABLE style= "MARGIN-TOP: 25px " cellSpacing=0 cellPadding=0
width= "100% " border=0>
<TBODY>
<TR>

<TABLE cellSpacing=0 cellPadding=0 width= "100% " border=0>
<TBODY>
<TR>
<TD> </TD>
<TD align=middle>
<A href= "login.do?username=guest "> <IMG
height=66 src= "images/b012.gif " width=47 border=0
name=Image11> </A> </TD>
<TD align=middle>
<A href= "regist.do "> <IMG height=66
src= "images/b022.gif " width=58 border=0 name=Image12> </A>
</TD>
</TR> </TBODY>
</TABLE>
</TD>
<TD vAlign=top align=right width=25 background=images/202.jpg>
<IMG height=107 src= "images/203.jpg "width=19> </TD>
</TR> </FORM> </TBODY> </TABLE> </TD> </TR> </TBODY> </TABLE>
<DIV align=center> Study Online 版权所有 </DIV>
</BODY>
</HTML>
--------------------------------------

[解决办法]
J2EE UTF-8乱码解决方案总结
环境：
WindowsXP中文
Eclipse3.2.1+Myeclipse5.1.0GA
Tomcat5.5
JDK1.5.0
Hibernate3.1
Mysql5.0+ mysql-connector-java-5.0.4-bin.jar

方案：
1.集成开发环境Eclipse中设置文本文件存储编码为UTF-8。
//我想是因为….如果所做工程项目最终要在别的版本操作系统的服务器上跑，这里需要设置（未经证实）
2.数据库mysql，默认编码使用utf8；
并且创建数据库时在语句后面追加DEFAULT CHARSET=utf8;set names utf8;
//如果数据库默认编码是utf8，那这个也不是必需的吧（未经证实）
3.跟数据库连接的URL：Hibernate URL:
jdbc:mysql://127.0.0.1:3306/addressbook?useUnicode=true&characterEncoding=utf8
//如果数据库默认编码是utf8，那这个也不是必需的吧（未经证实）
4.使用过滤器，过滤器文件代码见后面附1。
<filter>
<filter-name> Set Character Encoding </filter-name>
<filter-class> org.biti.filters.SetCharacterEncodingFilter </filter-class>
<init-param>
<param-name> encoding </param-name>
<param-value> UTF-8 </param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name> Set Character Encoding </filter-name>

<url-pattern> /* </url-pattern>
</filter-mapping>
//过滤的是post还是get还没弄明白，据说只过滤器中一个，另一个见5。
5.修改Tomcat配置文件server.xml中Connector部分
<Connector port= "80 "
maxHttpHeaderSize= "8192 "
maxThreads= "150 " minSpareThreads= "25 " maxSpareThreads= "75 "
enableLookups= "false " redirectPort= "8443 " acceptCount= "100 "
connectionTimeout= "20000 " disableUploadTimeout= "true " />
加入URIEncoding= "UTF-8 "一项。
//我现在这个没乱码的就没有设置….

附1：SetCharacterEncodingFilter.java(可在Tomcat示例源码中找到)
package org.biti.filters;
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 {
protected String encoding = null;
protected FilterConfig filterConfig = null;
protected boolean ignore = true;
public void destroy() {
this.encoding = null;
this.filterConfig = null;
}
public void doFilter(ServletRequest request, ServletResponse response,
FilterChain chain) throws IOException, ServletException {
if (ignore || (request.getCharacterEncoding() == null)) {
String encoding = selectEncoding(request);
if (encoding != null)
request.setCharacterEncoding(encoding);
}
chain.doFilter(request, response);
}
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 String selectEncoding(ServletRequest request) {
return (this.encoding);
}
}

[解决办法]
设置的字符集的地方有重复

[解决办法]
试试这样设置，楼上的老兄说得有理
<%@ page contentType= "text/html;charset=GBK " language= "java " %>

<HTML>
<HEAD>
<TITLE> 教育在线论坛 </TITLE>
</HEAD>
<LINK
href= "images/style.css " type=text/css rel=stylesheet>

page指令里面设置了contentType属性就不要设置pageEncoding 属性了，设置两遍当然会成乱码了，第一遍其实已经是中文了，再设置一编就又成乱码了

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tomacat5.028+Eclipse3.2+structs+sqlserver2000 中文乱码,该怎么解决