我做了个AJAX下拉框取值,我用的是String region=request.getParameter("region");取值,取下来的值是乱码,赋值我是这样赋的onchange="showList1(this.options[this.options.selectedIndex].value),这样有问题吗?或是如果采用这样的方式我怎么转码?我JSP是request.setCharacterEncoding("GBK");UTF-8也用过了!!谢谢
调试欢乐多
1)修改server.xml,在connector标签中增加URIEncoding="gb2312"
2)对url编码
java.net.URLEncoder.encode( url );
注意:url的起始如果非中文如 "/test/中文/中国.jsp"
则应该写成"/test/" + java.net.URLEncoder.encode( "中文/中国.jsp" );
意思是只对中文编码,但是 "中文/中国.jsp"中的"/"没有问题
onchange="showList1(encodeURL(this.option[this.options.selectedIndex].value))
你也可以取时用ENCODE() DECODE()
var post = "aaa="+bbb+"&ccc=哈哈&mySortCode=的发送发式"
post = encodeURI(post);
post = encodeURI(post);//一定要两次,很关键然后用ajax的post提交过去就好了2 加密,给中文部分加密。上面两中都可行,我一般用第一种
<filter>
<filter-name>encoding</filter-name>
<filter-class>
filter.FilterEncoding
</filter-class>
<init-param>
<param-name>encoding</param-name>
<param-value>gbk</param-value>
</init-param>
</filter>package filter;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 FilterEncoding implements Filter
{
protected String encoding; // 接收字符编码
protected boolean ignore; // 是否忽略大小写
protected FilterConfig filterConfig; // 初始化配置 public void init(FilterConfig filterConfig) throws ServletException
{
// 从web.xml文件中读取encoding的值
encoding = filterConfig.getInitParameter("encoding");
// 从web.xml文件中读取ignore的值
String value = filterConfig.getInitParameter("ignore");
// 以下三种情况均为忽略大小写
if(value == null)
{
ignore = true;
}
else if(value.equalsIgnoreCase("yes"))
{
ignore = true;
}
else if(value.equalsIgnoreCase("true"))
{
ignore = true;
}
}
// doFilter方法
public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException
{
if(ignore || request.getCharacterEncoding() == null)
{
// 如果为空先从web.xml中得到
String encoding = selectEncoding(request);
if(encoding != null)
{
// 设置字符集编码
request.setCharacterEncoding(encoding);
}
}
// 继续执行
chain.doFilter(request, response);
}
// 得到字符编码
private String selectEncoding(ServletRequest request)
{
return encoding;
}
public void destroy()
{
}
}
如果是url的get提交参数带中文的
可以改下面这个文件,加入一个URIEncoding="GBK"
X:\Tomcat 5.5\conf\Server.xml
<Connector
port="8080"
redirectPort="8443"
minSpareThreads="25"
connectionTimeout="30"
maxThreads="150"
maxSpareThreads="75"
URIEncoding="GBK">
<%@ page contentType="text/html;charset=gbk"%> //此处的charset的值要和web.xml里的 <param-value></param-value>值一样
String region = new String(request.getParameter("region").getBytes("ISO-8859-1"),"GB2312");