重构代码：整理LoginUser.Ip相关代码，统一使用RemoteIpAddress ?? IPv6Loopback判断语句

Bootstrap.Admin/Controllers/AccountController.cs

@@ -1,7 +1,5 @@
 using Bootstrap.Admin.Models;
 using Bootstrap.DataAccess;
-using Longbow;
-using Longbow.Configuration;
 using Longbow.Web;
 using Microsoft.AspNetCore.Authentication;
 using Microsoft.AspNetCore.Authentication.Cookies;
@@ -10,6 +8,7 @@ using Microsoft.AspNetCore.Http;
 using Microsoft.AspNetCore.Mvc;
 using System;
 using System.Linq;
+using System.Net;
 using System.Security.Claims;
 using System.Threading.Tasks;
 
@@ -63,7 +62,7 @@ namespace Bootstrap.Admin.Controllers
         internal static void CreateLoginUser(IOnlineUsers onlineUserSvr, HttpContext context, LoginUser loginUser)
         {
             var agent = new UserAgent(context.Request.Headers["User-Agent"]);
-            loginUser.Ip = context.Connection.RemoteIpAddress?.ToString();
+            loginUser.Ip = (context.Connection.RemoteIpAddress ?? IPAddress.IPv6Loopback).ToString();
             loginUser.City = onlineUserSvr.RetrieveLocaleByIp(loginUser.Ip);
             loginUser.Browser = $"{agent.Browser.Name} {agent.Browser.Version}";
             loginUser.OS = $"{agent.OS.Name} {agent.OS.Version}";

Bootstrap.Admin/Controllers/Api/LogsController.cs

@@ -35,12 +35,11 @@ namespace Bootstrap.Admin.Controllers.Api
         public bool Post([FromServices]IOnlineUsers onlineUserSvr, [FromBody]Log value)
         {
             var agent = new UserAgent(Request.Headers["User-Agent"]);
-            value.Ip = HttpContext.Connection.RemoteIpAddress?.ToString();
+            value.Ip = (HttpContext.Connection.RemoteIpAddress ?? IPAddress.IPv6Loopback).ToString();
             value.Browser = $"{agent.Browser.Name} {agent.Browser.Version}";
             value.OS = $"{agent.OS.Name} {agent.OS.Version}";
             value.City = onlineUserSvr.RetrieveLocaleByIp(value.Ip);
             value.UserName = User.Identity.Name;
-            if (string.IsNullOrEmpty(value.Ip)) value.Ip = IPAddress.IPv6Loopback.ToString();
             return LogHelper.Save(value);
         }
     }

Bootstrap.Admin/OnlineUsers/OnlineUsersMiddlewareExtensions.cs

@@ -5,6 +5,7 @@ using Microsoft.AspNetCore.Http;
 using Microsoft.Extensions.DependencyInjection;
 using System;
 using System.Linq;
+using System.Net;
 
 namespace Microsoft.AspNetCore.Builder
 {
@@ -43,7 +44,7 @@ namespace Microsoft.AspNetCore.Builder
                      var agent = new UserAgent(context.Request.Headers["User-Agent"]);
                      var v = new OnlineUser();
                      v.ConnectionId = key;
-                     v.Ip = context.Connection.RemoteIpAddress?.ToString();
+                     v.Ip = (context.Connection.RemoteIpAddress ?? IPAddress.IPv6Loopback).ToString();
                      v.Location = onlineUserSvr.RetrieveLocaleByIp(v.Ip);
                      v.Browser = $"{agent.Browser.Name} {agent.Browser.Version}";
                      v.OS = $"{agent.OS.Name} {agent.OS.Version}";

Bootstrap.DataAccess/Helper/UserHelper.cs

@@ -39,7 +39,6 @@ namespace Bootstrap.DataAccess
                 Result = "登录失败"
             };
             config(loginUser);
-            if (string.IsNullOrEmpty(loginUser.Ip)) loginUser.Ip = System.Net.IPAddress.IPv6Loopback.ToString();
             var ret = DbContextManager.Create<User>().Authenticate(userName, password);
             if (ret) loginUser.Result = "登录成功";
             LoginHelper.Log(loginUser);

UnitTest/Bootstrap.DataAccess/LogsTest.cs

@@ -14,7 +14,7 @@ namespace Bootstrap.DataAccess
                 Browser = "UnitTest",
                 City = "本地连接",
                 OS = "UnitTest",
-                Ip = "::",
+                Ip = "::1",
                 CRUD = "UnitTest",
                 RequestUrl = "~/Home/Index"
             };
@@ -30,7 +30,7 @@ namespace Bootstrap.DataAccess
                 Browser = "UnitTest",
                 City = "本地连接",
                 OS = "UnitTest",
-                Ip = "::",
+                Ip = "::1",
                 CRUD = "UnitTest",
                 RequestUrl = "~/Home/Index"
             };