學習之路

	protected void FileUploadButton_Click(object sender, EventArgs e)
{
 
    Boolean FileOK = false;
    string FilePath = "D:\\upload\\"; //設定上傳的路徑
    //if (FileUploadField.HasFile)
    if(FileUploadField.FileName.Length > 0)
    {
        string fileExtension = System.IO.Path.GetExtension(FileUploadField.FileName).ToLower(); //如果副檔名有大寫則將他轉為小寫
        string[] allowExtensions = { ".zip", ".rar", ".7z", ".doc", ".docx" }; //允許的檔案類型
        for (int i = 0; i < allowExtensions.Length; i++)
        {
            if (fileExtension == allowExtensions[i])
            {
                FileOK = true;
            }
        }
    }
 
 
 
    if (FileOK)
    {
        try
        {
            string tmpFileName = FileUploadField.FileName;
            string Date = DateTime.Now.ToString("MM-dd-hh-mm");
            tmpFileName = Date + "_" + FileUploadField.FileName;
            FileUploadField.PostedFile.SaveAs(FilePath + tmpFileName);
            UploadedMessage.Text = "你所上傳的檔案為「" + FileUploadField.FileName + "」<br/>上傳成功";
        }
        catch (Exception ex)
        {
            UploadedMessage.Text = "上傳失敗";
        }
    }
    else
    {
        UploadedMessage.Text = "不允許此類型檔案的上傳";
    }
}