获取客户端IP地址

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/// <summary> /// Ip地址实现 /// </summary> public class IpAddressHelper : IIpAddressHelper {     /// <summary>     /// IHttpContextAccessor     /// </summary>     private readonly IHttpContextAccessor _httpContextAccessor;       /// <summary>     /// 构造函数     /// </summary>     /// <param name="httpContextAccessor">IHttpContextAccessor</param>     public IpAddressHelper(IHttpContextAccessor httpContextAccessor)     {         _httpContextAccessor = httpContextAccessor;     }       /// <summary>     /// 获取IP地址     /// </summary>     /// <returns>Ip地址</returns>     public string GetIpAddress()     {         var request = _httpContextAccessor.HttpContext.Request;         var ip = string.Empty;         if (string.IsNullOrEmpty(ip) && request.Headers.TryGetValue("X-Forwarded-For", out var ip1))         {             ip = ip1;         }         else if (string.IsNullOrEmpty(ip) && request.Headers.TryGetValue("Proxy-Client-Ip", out var ip2))         {             ip = ip2;         }         else if (string.IsNullOrEmpty(ip) && request.Headers.TryGetValue("wL-Proxy-Client-Ip", out var ip3))         {             ip = ip3;         }         else if (string.IsNullOrEmpty(ip) && request.Headers.TryGetValue("HTTP CLIENT IP", out var ip4))         {             ip = ip4;         }         else if (string.IsNullOrEmpty(ip) && request.Headers.TryGetValue("HTTP X FORWARDED FOR", out var ip5))         {             ip = ip5;         }         else         {             ip = _httpContextAccessor.HttpContext.Connection.RemoteIpAddress.ToString();         }         // 处理IPv6地址映射到IPv4的情况         if (ip.Contains(":") && ip.Contains("%"))         {             ip = ip.Split('%')[0];         }         return ip;     } }