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uniapp/Google Chrome/Program.cs

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+using Microsoft.ML;
+using Microsoft.ML.Data;
+using Microsoft.ML.Transforms.Onnx;
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Runtime.InteropServices;
+using WinFormsApp3;
+
+//https://huggingface.co/protectai/gyr66-bert-base-chinese-finetuned-ner-onnx/tree/main
+//model.onnx
+//vocab.txt
+
+namespace WinFormsApp3
+{
+    class Program
+    {
+        [STAThread] // ← 加上这个，99% 立刻解决你的错误
+        static int Main(string[] args)
+        {
+            // 命令行下载：WinFormsApp3.exe --download <视频地址> [--out 保存路径] [--referer 页面地址]
+            if (args.Length > 0 && string.Equals(args[0], "--download", StringComparison.OrdinalIgnoreCase))
+            {
+                // 下载丢给线程池线程去跑，不要在 STA 主线程上等待异步，否则 COM 线程模式会冲突
+                return Task.Run(() => DownloadCliAsync(args)).GetAwaiter().GetResult();
+            }
+
+            ApplicationConfiguration.Initialize();
+
+            // 这里不能提前 form.Show()：那会让 Form.Load 在消息循环开始之前执行，
+            // WebView2 在没有消息泵时初始化会报 RPC_E_CHANGED_MODE，交给 Run 自己显示窗体
+            Application.Run(new Form1());
+            return 0;
+        }
+
+        [DllImport("kernel32.dll", SetLastError = true)]
+        private static extern bool AttachConsole(int dwProcessId);
+
+        private const int AttachParentProcess = -1;
+
+        /// <summary>
+        /// 命令行下载入口：不创建窗体、不初始化 WebView2，直接把地址下完就退出，方便脚本化验证。
+        /// </summary>
+        private static async Task<int> DownloadCliAsync(string[] args)
+        {
+            // WinExe 默认没有控制台，Attach 到父进程的输出才能在终端里看到结果
+            AttachConsole(AttachParentProcess);
+
+            string url = args.Length > 1 ? args[1] : string.Empty;
+            if (string.IsNullOrWhiteSpace(url) || url.StartsWith("--", StringComparison.Ordinal))
+            {
+                Console.Error.WriteLine("用法: WinFormsApp3.exe --download <视频地址> [--out 保存路径] [--referer 页面地址]");
+                return 2;
+            }
+
+            string? referer = GetOption(args, "--referer");
+            string? outPath = GetOption(args, "--out");
+            if (string.IsNullOrWhiteSpace(outPath))
+            {
+                outPath = Path.Combine(Path.GetTempPath(), new VideoDownloader(referer).SuggestedFileName(url, null));
+            }
+
+            using CancellationTokenSource cts = new(TimeSpan.FromMinutes(15));
+            Progress<DownloadProgress> progress = new(message => Console.WriteLine(message.Message));
+
+            try
+            {
+                VideoDownloader downloader = new(referer);
+                DownloadResult result = await downloader.DownloadAsync(url, outPath!, progress, cts.Token);
+                Console.WriteLine($"OK file={result.FilePath} bytes={result.Bytes} converted={result.Converted}");
+                return 0;
+            }
+            catch (Exception ex)
+            {
+                Console.Error.WriteLine($"FAIL {ex.GetType().Name}: {ex.Message}");
+                return 1;
+            }
+        }
+
+        /// <summary>
+        /// 取 --out / --referer 这类"选项 值"形式的参数。
+        /// </summary>
+        private static string? GetOption(string[] args, string name)
+        {
+            for (int i = 0; i < args.Length - 1; i++)
+            {
+                if (string.Equals(args[i], name, StringComparison.OrdinalIgnoreCase))
+                {
+                    return args[i + 1];
+                }
+            }
+
+            return null;
+        }
+    }
+}