C# VB.NET WebApi获取客户端的IP地址

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一、需求 : 需要根据IP地址不同返回不同的数据接口。

二、实现：新建一个类模块

Public Module HttpRequestMessageExtensionsPrivate Const HttpContext As String = "MS_HttpContext"Private Const RemoteEndpointMessage As String = "System.ServiceModel.Channels.RemoteEndpointMessageProperty"Private Const OwinContext As String = "MS_OwinContext"<System.Runtime.CompilerServices.Extension>Public Function GetClientIpAddress(ByVal request As HttpRequestMessage) As StringIf request.Properties.ContainsKey(HttpContext) ThenDim ctx As Object = request.Properties(HttpContext)If ctx IsNot Nothing ThenReturn ctx.Request.UserHostAddressEnd IfEnd IfIf request.Properties.ContainsKey(RemoteEndpointMessage) ThenDim remoteEndpoint As Object = request.Properties(RemoteEndpointMessage)If remoteEndpoint IsNot Nothing ThenReturn remoteEndpoint.AddressEnd IfEnd IfIf request.Properties.ContainsKey(OwinContext) ThenDim owinContext_Conflict As Object = request.Properties(OwinContext)If owinContext_Conflict IsNot Nothing ThenReturn owinContext_Conflict.Request.RemoteIpAddressEnd IfEnd IfReturn NothingEnd Function
End Module

三、使用

 Debug.Print（Request.GetClientIpAddress()）

以上就是WebApi 获取客户端请求的IP过程。

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