我正在尝试在UIWebView中加载经过Windows身份验证的url。下面是我的代码。publicoverridevoidWillSendRequestForAuthenticationChallenge(NSUrlConnectionconnection,NSUrlAuthenticationChallengechallenge){if(challenge.ProtectionSpace.AuthenticationMethod==NSUrlProtectionSpace.AuthenticationMethodNTLM){if(challenge.PreviousFailureC