Spring-WS：指定内容类型
我有一个基于 AbstractJDomPayloadEndpoint 的 Spring Webservice。该服务工作正常，只是我的客户端需要将 HTTP 标头 Content-Type 设置为正确的字符集（在我的例子中为 utf-8）。我找不到在哪里可以配置它。
我尝试编写一个简单的 servlet Filter ：
chain.doFilter(request, response);
HttpServletResponse httpResponse = (HttpServletResponse) response;
httpResponse.setHeader("Content-Type", "text/xml; charset=utf-8");
但这根本不会改变标头。我怀疑内容类型标头是由 Spring-WS 设置的，并且响应已提交，因此我在过滤器中设置的任何内容都不会产生影响。
我的应用程序服务器是WebLogic 9.2.3。
I have a Spring Webservice based on AbstractJDomPayloadEndpoint. This service works fine, except that my client needs the HTTP header Content-Type to be set to the right charset (utf-8 in my case). I cant find where I can configure that.
I tried writing a simple servlet Filter :
chain.doFilter(request, response);
HttpServletResponse httpResponse = (HttpServletResponse) response;
httpResponse.setHeader("Content-Type", "text/xml; charset=utf-8");
But this doesnt change the headers at all. I suspect that the content type header is set by Spring-WS, and the response is commited, so nothing I set in a filter will have an impact.
My appserver is WebLogic 9.2.3.
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是的，您的过滤器代码将会失败，因为当
doFilter()完成时，响应将已完全提交，并且您将无法更改内容类型标头。我建议编写
HttpServletResponseWrapper的子类，重写setContentType()和/或setCharacterEncoding()方法以将值设置为您想要的值。然后，您将包装器的实例（包装原始响应）传递给doFilter()。Yes, your filter code will fail because by the time
doFilter()completes, the response will have been fully committed, and you won't be allowed to change the content type header.I suggest writing a subclass of
HttpServletResponseWrapper, overriding thesetContentType()and/orsetCharacterEncoding()methods to set the value to the one you want. You then pass the instance of the wrapper (which wraps the original response) to thedoFilter().