using System.IO;string path = @"D:\accountDaoRu\"; if (Directory.Exists(path) == false) ...
C# 判斷文件和文件夾是否存在並創建 using System; using System.Data; using System.Configuration; using System.Collections; using System.Web; using ...
C# 判斷文件和文件夾是否存在並創建 using System; using System.Data; using System.Configuration; using System.Collections; using System.Web; using System.Web.Security ...
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