<a href= 'UpdatePage.jsp?username=
<%=rs.getString( "UserName ")%> &Phone= <%=rs.getString( "Phone ") %> &Address= <%=rs.getString( "Address ").toString() %> &Email= <%=rs.getString( "Email ") %> &Sex= <%=rs.getString( "Sex ") %> '> <%=rs.getString( "UserName ")%>
传递参数 其他英文的还好都没出现乱吗
唯一一个Address参数 是中文的, 我在另一个页面
一个文本框接收的时候
使用的方法是 value= " <%=request.getParameter( "Address ").getBytes( "gb2312 ").toString() %> "可是显示出来的却上乱码[B@1627c16
而我要是把.getBytes ( "gb2312 ")去掉的话那么就出现乱码
把gb2312 改成估计通用的utf-8也是出现[B@1627c16
------解决方案--------------------
1.编码问题:
(1)首先确定JSP页面头部是否有: <%@ page contentType= "text/html; charset=GBK " %>
(2)类似这样的转码:
String param= new String(request.getParameter( "param ").getBytes( "ISO-8859-1 "), "GBK ");
(3)添加filter字符过滤器,具体做法:
先添加类:
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;
import org.apache.log4j.Logger;
import java.net.URLEncoder;
/** *//**
* 请求中中文字符串过滤类
*/
public class SetEncodingFilter
implements Filter ...{
private Logger logger=Logger.getLogger(this.getClass());
public void init(FilterConfig filterConfig) throws ServletException ...{
}
public void doFilter(ServletRequest request, ServletResponse response,
FilterChain chain) throws IOException, ServletException ...{
logger.info( "请求转码过滤器=================== ");
request.setCharacterEncoding( "gb2312 ");
chain.doFilter(request,response);
}
public void destroy() ...{
}
}
再注册类到XML里：
<filter>
<filter-name> Set Encoding </filter-name>
<filter-class> SetEncodingFilter </filter-class>
</filter>
<filter-mapping>
<filter-name> Set Encoding </filter-name>
<url-pattern> /* </url-pattern>
</filter-mapping>
(4)如果是通过 "a.jsp?param=中文 "传递参数,则需要:
a.在传参数之前先把参数进行转码:java.net.URLEncoder.encode(param);
取值用java.net.URLDncoder.dncode(param);再转回中文
b.在你的Tomcat目录--> conf目录--> server.xml里找出这段:
<Connector
port= "8080 " maxThreads= "150 " minSpareThreads= "25 " maxSpareThreads= "75 "
enableLookups= "false " redirectPort= "8443 " acceptCount= "100 "
debug= "0 " connectionTimeout= "20000 "
disableUploadTimeout= "true " <!--在里边加上这个参数--> URIEncoding= "gb2312 "
/>
(5)数据库乱码,首先确定你在插入数据库之前是中文,解决办法:
在数据库的数据库连接URL中加上useUnicode=true&characterEncoding=GBK就OK了。
如果在读取的时候出现乱码用第二种方法解决.
http://blog.csdn.net/lip009/archive/2006/09/07/1192022.aspx#521755
要servlet里面支持中文的方法：
在dopost或者doget的第一句加上：
request.setCharacterEncoding( "GB2312 ");
response.setCharacterEncoding( "GB2312 ");
在jsp里面就把
<%@ page contentType= "text/html; charset=gb2312 " language= "java " import= "java.sql.* " errorPage= " " %>