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我使用HTML5拖放上傳在我的網站（asp.net web應用程序）。 需要在每個文件的進度條彈出窗口中執行上傳過程（因此包含拖動區域的頁面將保持異步運行）。 我需要從服務器（C＃）訪問文件，而不僅僅是從JavaScript。 問題是在彈出窗口中context.Request.Files是空的。當我嘗試在同一頁面中寫入所有代碼時Request.Files已滿。Html5拖放，用彈出窗口上傳下載的文件到服務器（asp.net）
這裏是我的代碼：
從 「父」 頁面（jQuery的）打開popupwindoe：
function handleDnDFileSelect(event) {
event.stopPropagation();
event.preventDefault();
/* Read the list of all the selected files. */
files = event.dataTransfer.files;
var fileCount = files.length;
// Only call the handler if 1 or more files was dropped.
if (fileCount > 0) {
window.open("UploadProgress.aspx", "progress", 'menubar=1,resizable=1,width=750,height=450');
}
}
uploadProgress.aspx：
<script>
$(document).ready(function() {
debugger;
var files = window.opener.files; //files is full corectly
var form = document.getElementById('form1');
var data = new FormData(form);
for (var i = 0; i < files.length; i++) //creating a new XMLHttpRequest for each file
{
data.append(files[i].name, files[i]);
var xhr = new XMLHttpRequest();
xhr.open('POST', "UploadProgress.aspx");
xhr.send(data);
}
});
</script>
<body>
<form id="form1" runat="server" data-ajax="false" enctype="multipart/form-data">
<asp:Repeater ID="rptFilesUpload" runat="server">
<ItemTemplate>
<div id="progressbar">
<asp:Label ID="lblFileName" runat="server" Text='<%# Container.DataItem %>' ></asp:Label>
</div>
</ItemTemplate>
</asp:Repeater>
</form></body>
上傳進度。 aspx.cs：
public partial class UploadProgress : System.Web.UI.Page, IHttpHandler
{
public void ProcessRequest(HttpContext context)
{
context.Response.ContentType = "multipart/form-data";
HttpFileCollection fileCollection = context.Request.Files;// Session["Files"] as HttpFileCollection;
ArrayList FilesNames = new ArrayList();
for (int i = 0; i < fileCollection.Count; i++)
{
HttpPostedFile upload = fileCollection[i];
string filename = "c:\\Test\\" + upload.FileName;
upload.SaveAs(filename);
//update arrayList for the repeater
FilesNames.Add(upload.FileName);
}
rptFilesUpload.DataSource = FilesNames;
rptFilesUpload.DataBind();
}
我在做什麼錯？ 我正在尋找天的解決方案......... 我會感謝任何嘗試解決我的問題。