JDHY/客户端/齐越慧眼/齐越慧眼/UserControls/TaoBaoBrowerControl.cs

using CefSharp;
using System;
using System.Collections.Generic;
using System.Text;
using System.Text.RegularExpressions;
using System.Threading;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Markup;
using 齐越慧眼.Models;

namespace 齐越慧眼.UserControls
{
    public partial class BrowerControl
    {


        /// <summary>
        /// 淘宝查询按钮点击
        /// </summary>
        public void StartTaoBaoSearch()
        {
            if (!btn_searchItems.IsEnabled)
                return;


                btn_searchItems.IsEnabled = false;
            searchLoding.Visibility=Visibility.Visible;

            Task.Factory.StartNew(() =>
            {
                try
                {
                    List<SearchItemModelExt> totalItems = new List<SearchItemModelExt>();

                    for (int i = 1; i <= 5; i++)
                    {

                        //等待页面加载完成
                        while (!DoJavaScript("return $(document.body).html();").isOk)
                        {
                            Thread.Sleep(100);
                        }

                        //切换到当前页
                        string pageText = (string)DoJavaScript("return $(\"#mainsrp-pager div[class=total]\").text()").result;

                        pageText = Regex.Match(pageText, @"([1-9]\d*\.?\d*)|(0\.\d*[1-9])").Groups[0].Value.Trim();

                        int.TryParse(pageText, out int totalPage);

                        if (totalPage >= i)
                        {
                            DoJavaScript($"$($(\"#mainsrp-pager li[class*=item]\")[{i}]).find(\"a\")[0].click()");
                            Thread.Sleep(500);
                        }


                        //等待页面加载完成
                        while (DoJavaScript("return $(document.body).html();").result?.ToString().Contains("myitemState")!=true)
                        {
                            Thread.Sleep(100);
                        }
                        if (totalPage != 0)
                        {
                            while (DoJavaScript(@"return $(""#mainsrp-pager li[class='item active']"")[0].innerText").result?.ToString() != i.ToString())
                            {
                                Thread.Sleep(100);
                            }

                        }

                        //刷新总页数
                        pageText = (string)DoJavaScript("return $(\"#mainsrp-pager div[class=total]\").text()").result;
                        pageText = Regex.Match(pageText, @"([1-9]\d*\.?\d*)|(0\.\d*[1-9])").Groups[0].Value.Trim();

                        int.TryParse(pageText, out totalPage);

                        DoJavaScript("$(\"#mainsrp-pager li[class*=item]\")[0].scrollIntoView()");

                        var res = DoJavaScript(@"var ids=[]; 
                        $('div#mainsrp-itemlist .items .item').each(function(){

                        var ele=this;
                        var itemid= $(ele).find(""a"").attr(""data-nid"");
                        var infoDiv=$($(ele).find("".J_IconMoreNew""));
                        var price=infoDiv.find("".g_price"").text();
                        var sales=infoDiv.find("".deal-cnt"").text();
                        var title=infoDiv.find("".title"").text();
                        var img=$(ele).find(""img"").attr(""src"");
                        if(img==""//g.alicdn.com/s.gif""||img==null||img==undefined)
                        {
                            img=$(ele).find(""img"").attr(""data-src"");
                        }
                        ids.push({itemid:itemid,price:price,sales:sales,title:title,img:img});

                        });
                    return ids;");

                        List<SearchItemModelExt> itemHtmls = Newtonsoft.Json.JsonConvert.DeserializeObject<List<SearchItemModelExt>>(Newtonsoft.Json.JsonConvert.SerializeObject(res.result));

                        itemHtmls.ForEach(item =>
                        {
                            item.Price = Regex.Match(item.Price, @"([1-9]\d*\.?\d*)|(0\.\d*[1-9])").Groups[0].Value.Trim();
                            item.Sales = Regex.Match(item.Sales, @"([1-9]\d*\.?\d*)|(0\.\d*[1-9])").Groups[0].Value.Trim();
                            item.Title = item.Title.Trim();
                            item.Img = item.Img.StartsWith("//") ? $"https:{item.Img}" : item.Img;
                        });

                        //将当前页面的商品加入
                        totalItems.AddRange(itemHtmls);

                        if (i>=totalPage)
                        {
                            break;
                        }
                        Thread.Sleep(2000);
                    }
                }
                catch (Exception ex)
                {

                }
                finally 
                {
                    Application.Current.Dispatcher.Invoke(() => {

                        btn_searchItems.IsEnabled = true;
                        searchLoding.Visibility = Visibility.Collapsed;
                    });
                }
            });
        }

    }
}