upload

KCNLanzouDirectLink.Demo/FormMain.cs

@@ -11,32 +11,102 @@ private async void uiButton1_Click(object sender, EventArgs e)
         {
             if (string.IsNullOrEmpty(uiTextBox1.Text))
             {
-                KUI.Error("请填入分享链接！");
+                KUI.Error("请填入分享链接！\nPlease enter the shared link!");
                 return;
             }
 
-            string? link = null;
+            (DownloadState state, string? link) result = (DownloadState.Error, null);
+
             if (!string.IsNullOrEmpty(uiTextBox2.Text))
             {
+                // 蓝奏云加密直链获取不稳定，多尝试几次
                 for (int i = 0; i < 10; i++)
                 {
-                    link = await KCNLanzouLinkHelper.GetDirectLinkAsync(uiTextBox1.Text, uiTextBox2.Text); // 蓝奏云加密直链获取不稳定，多尝试几次
-                    if (!string.IsNullOrEmpty(link))
+                    result = await KCNLanzouLinkHelper.GetDirectLinkAsync(uiTextBox1.Text, uiTextBox2.Text);
+                    if (result.state == DownloadState.Success)
                         break;
                 }
             }
             else
             {
-                link = await KCNLanzouLinkHelper.GetDirectLinkAsync(uiTextBox1.Text);
+                result = await KCNLanzouLinkHelper.GetDirectLinkAsync(uiTextBox1.Text);
+            }
+
+            switch (result.state)
+            {
+                case DownloadState.Success:
+                    KUI.OK($"直链获取成功！\nDirect link retrieved successfully!\n{result.link}");
+                    break;
+
+                case DownloadState.UrlNotProvided:
+                    KUI.Error("请填入分享链接！\nPlease enter the shared link!");
+                    break;
+
+                case DownloadState.HtmlContentNotFound:
+                    KUI.Error("无法获取网页内容，请检查链接是否有效！\nUnable to retrieve web content. Please check if the link is valid!");
+                    break;
+
+                case DownloadState.PostsignNotFound:
+                    KUI.Error("无法解析加密信息，请检查链接或密钥是否正确！\nUnable to parse encrypted information. Please check if the link or key is correct!");
+                    break;
+
+                case DownloadState.IntermediateUrlNotFound:
+                    KUI.Error("中间链接解析失败，请稍后再试！\nFailed to parse the intermediate link. Please try again later!");
+                    break;
+
+                case DownloadState.FinalUrlNotFound:
+                    KUI.Error("无法获取最终直链，请检查网络连接！\nUnable to retrieve the final direct link. Please check your network connection!");
+                    break;
+
+                default:
+                    KUI.Error("直链获取失败，发生未知错误！\nDirect link retrieval failed. An unknown error occurred!");
+                    break;
             }
+        }
 
-            if (link == null)
+        private async void uiButton2_Click(object sender, EventArgs e)
+        {
+            if (string.IsNullOrEmpty(uiTextBox1.Text))
             {
-                KUI.Error("直链获取失败！");
+                KUI.Error("请填入分享链接！\nPlease enter the shared link!");
                 return;
             }
 
-            KUI.OK($"直链获取成功！\n{link}");
+            (DownloadState state, LanzouFileInfo? fileInfo) result;
+
+            if (string.IsNullOrEmpty(uiTextBox2.Text))
+                result = await KCNLanzouLinkHelper.GetFileInfoAsync(uiTextBox1.Text);
+            else
+                result = await KCNLanzouLinkHelper.GetFileInfoAsync(uiTextBox1.Text, uiTextBox2.Text);
+
+            if (result.state == DownloadState.Success && result.fileInfo != null)
+            {
+                LanzouFileInfo fileInfo = result.fileInfo;
+
+                string message = $"文件信息解析成功：\n" +
+                                 $"File info retrieved successfully:\n" +
+                                 $"文件名称\\File Name: {fileInfo.FileName}\n" +
+                                 $"文件大小\\File Size: {fileInfo.Size}\n" +
+                                 $"上传时间\\Upload Time: {fileInfo.UploadTime}\n" +
+                                 $"上传者\\Uploader: {fileInfo.Uploader}\n" +
+                                 $"运行平台\\Platform: {fileInfo.Platform}\n" +
+                                 $"文件描述\\Description: {fileInfo.Description}";
+
+                KUI.OK(message);
+            }
+            else
+            {
+                switch (result.state)
+                {
+                    case DownloadState.HtmlContentNotFound:
+                        KUI.Error("无法获取网页内容，请检查链接是否有效！\nUnable to retrieve web content. Please check the link!");
+                        break;
+
+                    default:
+                        KUI.Error("解析过程中发生错误，请稍后重试！\nAn error occurred during parsing. Please try again later!");
+                        break;
+                }
+            }
         }
     }
 }

KCNLanzouDirectLink.Demo/KCNLanzouDirectLink.Demo.csproj

@@ -9,8 +9,11 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="KCNLanzouDirectLink" Version="1.0.0" />
     <PackageReference Include="SunnyUI" Version="3.7.2" />
   </ItemGroup>
 
+  <ItemGroup>
+    <ProjectReference Include="..\KCNLanzouDirectLink\KCNLanzouDirectLink.csproj" />
+  </ItemGroup>
+
 </Project>

KCNLanzouDirectLink.Demo/KUI.cs

@@ -1,54 +1,89 @@
 using Sunny.UI;
+using System.Runtime.InteropServices;
 
 namespace KCNLanzouDirectLink.Demo
 {
     internal class KUI
     {
+        [DllImport("user32.dll")]
+        private static extern IntPtr MonitorFromPoint(Point pt, uint dwFlags);
+
+        [DllImport("Shcore.dll")]
+        private static extern int GetDpiForMonitor(IntPtr hmonitor, int dpiType, out uint dpiX, out uint dpiY);
+
+        const int MDT_EFFECTIVE_DPI = 0;
+
+        public static Point ScreenCentralLocation(Form form) => GetScreenCentralLocation(form);
+
+        private static Point GetScreenCentralLocation(Form form)
+        {
+            IntPtr hMonitor = MonitorFromPoint(form.Location, 2);
+
+            _ = GetDpiForMonitor(hMonitor, MDT_EFFECTIVE_DPI, out uint dpiX, out uint dpiY);
+
+            float scaleFactorX = dpiX / 96.0f;
+            float scaleFactorY = dpiY / 96.0f;
+
+            Rectangle workingArea = Screen.FromHandle(form.Handle).WorkingArea;
+            int centerX = (int)(workingArea.Left + (workingArea.Width / 2) / scaleFactorX);
+            int centerY = (int)(workingArea.Top + (workingArea.Height / 2) / scaleFactorY);
+
+            return new Point(centerX, centerY);
+        }
+
         public static void Error(string msg)
         {
             Sunny.UI.UIForm form = new Sunny.UI.UIForm();
+            form.Location = ScreenCentralLocation(form);
             form.ShowErrorDialog("Error", msg);
         }
 
         public static void Error(string msg, string title)
         {
             Sunny.UI.UIForm form = new Sunny.UI.UIForm();
+            form.Location = ScreenCentralLocation(form);
             form.ShowErrorDialog(title, msg);
         }
 
         public static void Warning(string msg)
         {
             Sunny.UI.UIForm form = new Sunny.UI.UIForm();
+            form.Location = ScreenCentralLocation(form);
             form.ShowWarningDialog("Warn", msg);
         }
 
         public static void Warning(string msg, string title)
         {
             Sunny.UI.UIForm form = new Sunny.UI.UIForm();
+            form.Location = ScreenCentralLocation(form);
             form.ShowWarningDialog(title, msg);
         }
 
         public static void OK(string msg)
         {
             Sunny.UI.UIForm form = new Sunny.UI.UIForm();
+            form.Location = ScreenCentralLocation(form);
             form.ShowSuccessDialog("OK", msg);
         }
 
         public static void OK(string msg, string title)
         {
             Sunny.UI.UIForm form = new Sunny.UI.UIForm();
+            form.Location = ScreenCentralLocation(form);
             form.ShowSuccessDialog(title, msg);
         }
 
         public static void Info(string msg)
         {
             Sunny.UI.UIForm form = new Sunny.UI.UIForm();
+            form.Location = ScreenCentralLocation(form);
             form.ShowInfoDialog("Info", msg, UIStyle.Blue);
         }
 
         public static void Info(string msg, string title)
         {
             Sunny.UI.UIForm form = new Sunny.UI.UIForm();
+            form.Location = ScreenCentralLocation(form);
             form.ShowInfoDialog(title, msg, UIStyle.Blue);
         }
     }

KCNLanzouDirectLink/DownloadState.cs

@@ -0,0 +1,40 @@
+namespace KCNLanzouDirectLink
+{
+    public enum DownloadState
+    {
+        /// <summary>
+        /// 操作成功完成。
+        /// </summary>
+        Success,
+
+        /// <summary>
+        /// 未提供有效的分享链接。
+        /// </summary>
+        UrlNotProvided,
+
+        /// <summary>
+        /// 无法获取网页内容。分享链接无效？
+        /// </summary>
+        HtmlContentNotFound,
+
+        /// <summary>
+        /// 无法解析加密信息。分享链接无效或密钥错误？
+        /// </summary>
+        PostsignNotFound,
+
+        /// <summary>
+        /// 无法解析中间链接。
+        /// </summary>
+        IntermediateUrlNotFound,
+
+        /// <summary>
+        /// 无法获取最终的直链地址。
+        /// </summary>
+        FinalUrlNotFound,
+
+        /// <summary>
+        /// 未知错误，操作未成功完成。
+        /// </summary>
+        Error
+    }
+}