ファイルのダウンロード時-ファイル名の変更
8565 ワード
1バックグラウンドコード
3】bodyのコード
///
/// 2 /// /// /// public void BigFileDownload(string FileName, string FilePath) { System.IO.Stream iStream = null; // Buffer to read 10K bytes in chunk: byte[] buffer = new Byte[10000]; // Length of the file: int length; // Total bytes to read: long dataToRead; // Identify the file to download including its path. string filepath = System.Web.HttpContext.Current.Server.MapPath(FilePath); // Identify the file name. string filename = System.IO.Path.GetFileName(filepath); try { // Open the file. iStream = new System.IO.FileStream(filepath, System.IO.FileMode.Open, System.IO.FileAccess.Read, System.IO.FileShare.Read); // Total bytes to read: dataToRead = iStream.Length; Response.ContentType = "application/octet-stream"; Response.AddHeader("Content-Disposition", "attachment; filename=" + System.Web.HttpUtility.UrlEncode(FileName));//System.Text.UTF8Encoding.UTF8.GetBytes(FileName) // Read the bytes. while (dataToRead > 0) { // Verify that the client is connected. if (Response.IsClientConnected) { // Read the data in buffer. length = iStream.Read(buffer, 0, 10000); // Write the data to the current output stream. Response.OutputStream.Write(buffer, 0, length); // Flush the data to the HTML output. Response.Flush(); buffer = new Byte[10000]; dataToRead = dataToRead - length; } else { //prevent infinite loop if user disconnects dataToRead = -1; } } } catch (Exception ex) { // Trap the error, if any. string message = ex.Message; } finally { if (iStream != null) { //Close the file. iStream.Close(); } } }
2】前端js代码
//2
document.getElementById("ifrLoad").setAttribute("src", encodeURI("/Admin/Ts/Ts?filePath=" + url + "&fileName=" + name));
3】bodyのコード
@* , *@