Uri baseAddress = new Uri(uri);
//var binding = new WebHttpBinding(WebHttpSecurityMode.None);
var basicBinding = new System.ServiceModel.BasicHttpBinding(BasicHttpSecurityMode.None);
basicBinding.MaxReceivedMessageSize = 1024000;
basicBinding.MaxBufferSize = 1024000;
basicBinding.ReaderQuotas = new System.Xml.XmlDictionaryReaderQuotas() { MaxStringContentLength = 2147483647 }; //(更改这个数字)
//创建宿主
Host = new ServiceHost(s, baseAddress);
//向宿主中添加终结点
//Host.AddServiceEndpoint(typeof(WcfSvc.IUpload), binding, "");//.EndpointBehaviors.Add(new WebHttpBehavior());
Host.AddServiceEndpoint(typeof(IServiceP), basicBinding, "");//.EndpointBehaviors.Add(new WebHttpBehavior());

//将HttpGetEnabled属性设置为true
ServiceMetadataBehavior smb = new ServiceMetadataBehavior();
smb.HttpGetEnabled = true;
//将行为添加到Behaviors中
Host.Description.Behaviors.Add(smb);
//打开宿主
Host.Open();