Controllers/HomeController.cs

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using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Mvc;
using Microsoft.AspNetCore.Http;
using FSBlog.Models;
using System.Xml;
using Microsoft.AspNetCore.Hosting;
using System.Text.RegularExpressions;
using System.Net;
using System.IO;
using System.Text;

namespace FSBlog.Controllers
{
    public class HomeController : Controller
    {
        /// <summary>
        /// 注入目录
        /// </summary>
        private readonly IHostingEnvironment _hostingEnvironment;

        public HomeController(IHostingEnvironment hostingEnvironment)
        {
            _hostingEnvironment = hostingEnvironment;
        }


        public async Task<IActionResult> Index(string count)
        {
            ViewData["Title"] = "首页";
            
            #region 获取访问IP信息
            if (HttpContext.Session.GetString("isfirstreq") == null)
            {
                HttpContext.Session.SetString("isfirstreq", "isfirstreq");

                string ip = GetRealIP();

                // 淘宝的ip库，不稳定
                string url = "http://ip.taobao.com/service/getIpInfo.php?ip=" + ip;
                string address = string.Empty;
                try
                {
                    string strJson = WebRequestHelper.GetUrl(url);
                    IpAddressInfo inf = JsonHelper.StringToEnteity<IpAddressInfo>(strJson);
                    address += inf.data.country + "|" + inf.data.region + "|" + inf.data.city +"|"+inf.data.area +"|" + inf.data.isp;
                   
                }
                catch (Exception)
                {
                    try
                    {
                        // ipip.net的库，比较稳定，备用ip库
                        url = "http://freeapi.ipip.net/" + ip;
                        string strJson = WebRequestHelper.GetUrl(url);
                        strJson = strJson.Replace(",", "|");
                        strJson = strJson.Replace("[", "");