63 lines
1.8 KiB
C#
63 lines
1.8 KiB
C#
using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using System.Web;
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using System.Web.UI;
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using System.Web.UI.WebControls;
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namespace 報到系統.Forms
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{
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public partial class Home : PageBase
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{
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protected void Page_Load(object sender, EventArgs e)
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{
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}
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public string LatestClientPackage()
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{
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var latestClientPackage = GetLatestClientPackageFileName();
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if (!string.IsNullOrEmpty(latestClientPackage))
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{
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return ResolveUrlWithSysVer(string.Format("~/Assets/Downloads/{0}", latestClientPackage));
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}
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return string.Empty;
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}
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/// <summary>
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/// 取得最新的客戶端安裝包檔案名稱
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/// 從 Assets/Downloads 目錄下查找 "報到系統客戶端_*.zip" 檔案
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/// 按檔名排序取最大的那一個
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/// </summary>
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private string GetLatestClientPackageFileName()
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{
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try
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{
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string downloadDir = Server.MapPath("~/Assets/Downloads/");
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if (!Directory.Exists(downloadDir))
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{
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return string.Empty;
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}
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DirectoryInfo dirInfo = new DirectoryInfo(downloadDir);
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FileInfo[] files = dirInfo.GetFiles("報到系統客戶端_*.zip");
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if (files.Length == 0)
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{
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return string.Empty;
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}
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// 按檔名排序，取最後一個（最大的那個）
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string latestFileName = files.OrderBy(f => f.Name).LastOrDefault()?.Name;
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return latestFileName ?? string.Empty;
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}
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catch
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{
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return string.Empty;
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}
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}
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}
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} |