你好像发了两次。。那我就再回复一次好了
如果你是自签名证书（signed certificates ），WIN8.1会出现SSL Certificate errors.
new build-in HttpClient API 可以ignore这些问题。
var filter = new HttpBaseProtocolFilter(); filter.IgnorableServerCertificateErrors.Add(ChainValidationResult....) var httpClient = new HttpClient(filter);
更多信息：
http://msdn.microsoft.com/en-us/library/windows/apps/windows.web.http.filters.httpbaseprotocolfilter.ignorableservercertificateerrors.aspx
http://msdn.microsoft.com/en-us/library/windows/apps/windows.security.cryptography.certificates.chainvalidationresult.aspx
希望采纳。谢谢~
