ASP.NET Core中没有ServerVariables的对应实现,需要换一种方式,可以在HttpContext.Request.Headers中获取,需要注意的是key与ServerVariables方式不一样,ServerVariables中是"HTTP_X_FORWARDED_FOR",HttpContext.Request.Headers中是"X-Forwarded-For",示例代码如下:
var ip = context.Request.Headers["X-Forwarded-For"].FirstOrDefault();
完整代码:
public static class HttpContextExtension { public static string GetUserIp(this HttpContext context) { var ip = context.Request.Headers["X-Forwarded-For"].FirstOrDefault(); if (string.IsNullOrEmpty(ip)) { ip = context.Connection.RemoteIpAddress.ToString(); } return ip; } }
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