bbwyb/BBWYB.Client/Views/1688/Login1688Window.xaml.cs

using CommunityToolkit.Mvvm.Messaging;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Web.WebView2.Core;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
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 WebView2.DevTools.Dom;

namespace BBWYB.Client.Views._1688
{
    /// <summary>
    /// Login1688Window.xaml 的交互逻辑
    /// </summary>
    public partial class Login1688Window : System.Windows.Window
    {
        private WebView2Manager w2m;
        private bool isNavigated;
        private GlobalContext globalContext;

        public static Login1688Window  ShowUrlSearchWindow(string userName, string password)
        {
            Login1688Window window = null;

            bool? result = null;
            if (!App.Current.Dispatcher.CheckAccess())
            {
                try
                {
                    App.Current.Dispatcher.Invoke(() => {
                        window = new Login1688Window(userName, password);
                        window.ShowDialog();
                    });
                }
                catch (Exception ex)
                {

                   
                }
             
            }
            else
            {
                window = new Login1688Window(userName, password);
                window.ShowDialog();
                // 在 UI 线程上执行操作
            }
            return window;

        }

        public Login1688Window(string userName, string password)
        {
            InitializeComponent();

            this.Width = SystemParameters.WorkArea.Size.Width * 0.8;
            this.Height = SystemParameters.WorkArea.Size.Height * 0.7;
            var sp = (App.Current as App).ServiceProvider;
            using (var s = sp.CreateScope())
            {
                w2m =new WebView2Manager(); 
                globalContext = s.ServiceProvider.GetRequiredService<GlobalContext>();
            }
            UserName = userName;
            Password = password;
            initWebView();
            
          
        }

        public string UserName { get; set; }
        public string Password { get; set; }


        private void initWebView()
        {

            var url = "https://login.taobao.com/?redirect_url=https%3A%2F%2Flogin.1688.com%2Fmember%2Fjump.htm%3Ftarget%3Dhttps%253A%252F%252Flogin.1688.com%252Fmember%252FmarketSigninJump.htm%253FDone%253Dhttps%25253A%25252F%25252Fwww.1688.com%25252F&style=tao_custom&from=1688web";
            w2m.Init("bbwyb_web_1688");
            w2m.wb2.SetValue(Grid.RowProperty, 1);
            w2m.wb2.Margin = new Thickness(1, 0, 1, 0);
            //grid.Children.Clear();
            gd.Children.Add(w2m.wb2);

            w2m.wb2.NavigationCompleted += Wb2_NavigationCompleted;


            w2m.CoreWebView2InitializationCompleted += (s) =>
            {
                w2m.wb2.CoreWebView2.Navigate(url);
            };

        }

        private void Wb2_NavigationCompleted(object sender, Microsoft.Web.WebView2.Core.CoreWebView2NavigationCompletedEventArgs e)
        {
            if (sender != null && sender is Microsoft.Web.WebView2.Wpf.WebView2)
            {
                var wv2 = sender as Microsoft.Web.WebView2.Wpf.WebView2;


                if (wv2.CoreWebView2.Source.StartsWith("https://login.taobao.com/"))
                {

                    App.Current.Dispatcher.Invoke(async () =>
                    {
                        await ExecuteJavaScript($"document.getElementById('fm-login-id').value='{UserName}'",1);
                        Thread.Sleep(100);
                        await ExecuteJavaScript($"document.getElementById('fm-login-password').value='{Password}'",1);
                        Thread.Sleep(100);
                        await ExecuteJavaScript("document.querySelector('.fm-button.fm-submit.password-login').click();", 1);
                    });
                }



                if (wv2.CoreWebView2.Source == ("https://www.1688.com/"))//手机端登录  保存账号密码
                {

                    App.Current.Dispatcher.Invoke(async () =>
                    {
                        await GetCookies("https://www.1688.com/");
                        w2m.Close();
                        GC.Collect();
                        this.Close();
                    });


                }
            }
        }
        /// <summary>
        /// 执行js函数
        /// </summary>
        /// <param name="js"></param>
        /// <param name="type">0 有返回值  1无返回值 </param>
        /// <returns></returns>
        public async Task<(bool istrue, string res)> ExecuteJavaScript(string js, int type = 0)
        {
            try
            {
                string script = $"()=>{{ return {js}}}";

                if (type != 0)
                    script = $"()=>{{  {js}}}";


                string result = "";
                await Application.Current.Dispatcher.Invoke(async () =>
                {
                    await w2m.wb2?.EnsureCoreWebView2Async();

                    await using var devToolsContext = await w2m.wb2?.CoreWebView2?.CreateDevToolsContextAsync().WaitAsync((TimeSpan.FromSeconds(5)));//

                    result = await devToolsContext.EvaluateFunctionAsync<string>(script).WaitAsync(TimeSpan.FromSeconds(5));
                });
                return new(true, result);
            }
            catch (Exception ex)
            {
                // 处理可能的异常
                Console.WriteLine(ex.Message);

                return new(false, ex.Message);
            }



        }

        public string downCookies { get; set; } = "";

        static object obj { get; set; } = new object();
        public Dictionary<string, string> dicCookies { get; set; } = new Dictionary<string, string>();
        /// <summary>
        /// 获取cookie
        /// </summary>
        public async Task GetCookies(string url)
        {

            if (w2m.wb2.CoreWebView2 != null)
            {
                var cookieManager = w2m.wb2.CoreWebView2.CookieManager;
                List<CoreWebView2Cookie> cookies = await cookieManager.GetCookiesAsync(url);
                foreach (CoreWebView2Cookie cookie in cookies)
                {
                    if (dicCookies.Keys.Contains(cookie.Name))
                    {
                        dicCookies[cookie.Name] = cookie.Value;
                        continue;
                    }
                    dicCookies.Add(cookie.Name, cookie.Value);
                }
                //存本地下次打开植入
                foreach (var item in dicCookies.Keys)
                {
                    downCookies += $"{item}={dicCookies[item]}; ";
                }
            }


        }
    }
}