JDHY/客户端/齐越慧眼/齐越慧眼/Windows/ItemDetailWindow.xaml.cs

using CefSharp;
using CefSharp.Wpf;
using System;
using System.Collections.Generic;
using System.Security.Policy;
using System.Text;
using System.Text.RegularExpressions;
using System.Threading;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Shapes;
using 齐越慧眼.cefhelper;

namespace 齐越慧眼.Windows
{
    /// <summary>
    /// ItemDetailWindow.xaml 的交互逻辑
    /// </summary>
    public partial class ItemDetailWindow : Window
    {

        private ExtChromiumBrowser web;
        private ItemDetailWindow(string url)
        {
            InitializeComponent();

            KeyDown += ItemDetailWindow_KeyDown;

            web = new ExtChromiumBrowser(url)
            {
                BrowserSettings =
                {
                    DefaultEncoding = "UTF-8",
                    Plugins = CefState.Enabled,
                    //关于跨域限制
                    //WebSecurity = CefState.Disabled,
                   ApplicationCache = CefState.Enabled,
                    LocalStorage = CefState.Enabled
                },

                //RequestHandler =new MyRequestHandler()
            };

            grid.Children.Add(web);

        }

        private void LoadUrl(string url)
        {
            web.Load(url);
        }

        /// <summary>
        /// 显示
        /// </summary>
        /// <param name="url"></param>
        /// <returns></returns>
        public static bool? Show(string url)
        {
            ItemDetailWindow window = null ;
            bool? result = null;
            MainWindow.Main.Dispatcher.Invoke(new Action(() => {
                window = new ItemDetailWindow(url);
                result= window.ShowDialog();
            }));

            return result;
        }


        private void ItemDetailWindow_KeyDown(object sender, KeyEventArgs e)
        {
            if (e.Key == System.Windows.Input.Key.F12)
            {
                web.ShowDevTools();
            }
        }

        bool isWait = false;

        private void btn_add_Click(object sender, RoutedEventArgs e)
        {
            if (isWait)
            {
                web.LoadUrlAsync("www.baidu.com");
                return;
            }

            isWait = true;
            Task<JavascriptResponse> task = null;

            Application.Current.Dispatcher.Invoke(() =>
            {
                task = web.EvaluateScriptAsPromiseAsync("return $(document.body).html();",TimeSpan.FromSeconds(10));
            });

            var result = task.Result;

            //判断是否加载完成
            if (!result.Success)
            {
                WpfNoticeMsg.NoticeMessage.Show("请等待页面加载完成后重试！");
                return;
            }


            string imgUrl = EvalScript("return $('#spec-img').attr('src')").Replace(".avif","");
            if (imgUrl.StartsWith("//"))
            {
                imgUrl = "https:" + imgUrl;
            }
            string title = EvalScript("return $($(\".sku-name\")[0]).text().trim()");
            string price = EvalScript("return $($(\".p-price\")[0]).text().trim()").Replace("￥", "").Trim();
            string comment = EvalScript("return $($(\"li[data-anchor=#comment]\")[0]).text().trim()");
            var match= Regex.Match(comment, @"商品评价\((.*?)\)");
            if (match.Success)
            {
                comment= match.Groups[1].Value;
            }
            string url = web.Address;



            this.DialogResult = true;
        }

        private void btn_canel_Click(object sender, RoutedEventArgs e)
        {
            this.DialogResult = false;
        }

        string EvalScript(string js)
        {
            Task<JavascriptResponse> task = null;

            Application.Current.Dispatcher.Invoke(() =>
            {
                task = web.EvaluateScriptAsPromiseAsync(js, TimeSpan.FromSeconds(10));
            });

            var result = task.Result;

            if (result.Success)
            { 
                return result.Result.ToString();
            }

            return string.Empty;
        }
    }
}