通过AJAX发布时坏字符编码 [英] Bad character encoding when posting via AJAX
问题描述
我有一个Struts2的应用程序有一些编码的问题。我的JSP页面显示2种形式;当我发送的第一个（简单，常规的形式，重新加载整个页面）的非标准字符的如 A 或ñ发送和正确显示。然而，当我做同样的第二种形式（这是通过AJAX发送），数据被破坏（ AI ， A！等）。
I've a Struts2 application with some encoding problems. My JSP page displays 2 forms; when I send the first one (a simple, regular form, which reloads the full page), non-standard characters such as á or ñ are sent and shown correctly. However, when I do the same with the second form (which is sent via AJAX), the data gets corrupted (Ãí, Ã! and so on).
main.jsp中：
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<%@ page language="java" contentType="text/html;charset=UTF-8" pageEncoding="UTF-8" %>
<%@ taglib prefix="s" uri="/struts-tags" %>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
...
<s:head theme="ajax"/>
</head>
<body>
<!-- This form is sent via regular HTTP request -->
<s:form theme="simple" enctype="multipart/form-data">
<s:textfield key="field1" name="var1"/>
<s:submit key="send" action="SAVE_ACTION"/>
</s:form>
<div id="ajaxContainer">
<jsp:include file="ajax-part.jsp"/>
</div>
</body>
</html>
AJAX-part.jsp
<%@ page language="java" contentType="text/html;charset=UTF-8" pageEncoding="UTF-8" %>
<%@ taglib prefix="s" uri="/struts-tags" %>
<!-- This form is sent via AJAX -->
<s:form enctype="multipart/form-data" theme="ajax" action="AJAX_ACTION" acceptcharset="UTF-8">
<s:textfield key="field2" name="var2"/>
<s:submit key="send" targets="ajaxContainer"/>
</s:form>
正如你所看到的，我到处都设置UTF-8编码。我也检查了文件实际上是UTF-8 EN codeD。和Dojo（它用于Ajax请求）配置为UTF-8也是如此，因为＆LT; S：头主题=AJAX/＆GT; 变为：
<script language="JavaScript" type="text/javascript">
// Dojo configuration
djConfig = {
baseRelativePath: "/myApp/struts/dojo",
isDebug: false,
bindEncoding: "UTF-8",
debugAtAllCosts: false
};
</script>
我运行一个Tomcat 6服务器上的应用;加入 -Dfile.encoding = UTF-8 参数没有区别（APPART从日志文件中被记录为UTF-8，而不是ISO-8859-1）。
I'm running the application on a Tomcat 6 server; adding the -Dfile.encoding=UTF-8 parameter makes no difference (appart from the log files being recorded in UTF-8 instead of ISO-8859-1).
这种事无论是在谷歌Chrome和IE8，所以我想在浏览器无关的问题，它必须是一些在Web应用程序。
It happens both in Google Chrome and IE8, so I guess the browser has nothing to do with the problem, it must be something in the webapp.
我在想什么？我能更改为正确地处理我的AJAX的帖子？
What am I missing? What can I change to process correctly my AJAX posts?
推荐答案
解决了！
检查AJAX请求与萤火虫后（谢谢你的提示，四元的），我发现了这个问题：道场发送正确的数据GET请求带有参数的URL连接codeD 。首先，我认为，Struts2的在做URL解码与错误的字符集，从而造成数据损坏;但作为的史蒂芬贝尼特斯的指出，这实际上是底层Servlet API的。
After inspecting AJAX requests with Firebug (thanks for the tip, Quaternion) I found out the problem: Dojo was sending correctly the data in GET requests, with the parameters URL-encoded. First I thought that Struts2 was doing the URL-decoding with the wrong charset, thus corrupting the data; but as Steven Benitez pointed out, it was actually the underlying Servlet API.
这个问题终于被的URIEncoding =UTF-8设置为＆LT解决;对;连接器＆GT Tomcat的server.xml中，如 Apache Tomcat的常见问题解答解释。
The problem was finally solved by setting URIEncoding="UTF-8" to the <Connector> on Tomcat's server.xml, as explained in Apache Tomcat FAQs.
在情况下，这种方法并不能为别人工作，也有可能是的手动解决的加入下面的转换在其中接收AJAX数据：
In case this approach doesn't work for somebody else, it could also be manually solved by adding the following conversion where the AJAX data is received:
new String(myData.getBytes("ISO-8859-1"), "UTF-8");
这篇关于通过AJAX发布时坏字符编码的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！
