//https全局配置 ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls12; ServicePointManager.ServerCertificateValidationCallback = (sender, certificate, chain, errors) => true;
//https全局配置 ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls12; ServicePointManager.ServerCertificateValidationCallback = (sender, certificate, chain, errors) => true;