<!DOCTYPE html>
<html xmlns="
http://www.w3.org/1999/xhtml">
<head runat="server">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
<title>Html5 Ajax 上传文件</title>
<script type="text/javascript">
function UpladFile() {
var fileObj = document.getElementById("file").files[0]; // js 获取文件对象
var FileController = "WebForm1.aspx"; // 接收上传文件的后台地址
// FormData 对象
var form = new FormData();
form.append("author", "hooyes"); // 可以增加表单数据
form.append("file", fileObj); // 文件对象
// XMLHttpRequest 对象
var xhr = new XMLHttpRequest();
xhr.open("post", FileController, true);
xhr.onload = function () {
// alert("上传完成!");
};
xhr.send(form);
}
</script>
</head>
<body>
<form id="form1" runat="server">
<div>
<input type="file" id="file" name="myfile"/>
<input type="button" onclick="UpladFile()" value="上传" />
</div>
</form>
</body>
</html>
C#后台
var flist = Request.Files;
var form = Request.Form;
for (int i = 0; i < flist.Count; i++)
{
string FilePath = "E:
\\hooyes\\Files\\";
var c = flist[i];
FilePath = Path.Combine(FilePath, c.FileName);
c.SaveAs(FilePath);
}
var form = Request.Form;
for (int i = 0; i < flist.Count; i++)
{
string FilePath = "E:
\\hooyes\\Files\\";
var c = flist[i];
FilePath = Path.Combine(FilePath, c.FileName);
c.SaveAs(FilePath);
}