FineUI上传文件应用(三)

<x:FileUpload runat="server" ID="file" EmptyText="请选择文件" Label="选择文件" AutoPostBack="true">
</x:FileUpload>

protected string ExcelUpload()
{
string path = "";
if (Request.Files.Count > 0)
{
HttpPostedFile file = Request.Files[0];
//判断是否上传文件
if (file.ContentLength > 0)
{
//判断上传文件的类型
if (file.ContentType == "" || file.ContentType == "")
{
//文件的名字
string ext = System.IO.Path.GetExtension(file.FileName);
Random r = new Random();
//唯一的文件名
string filename = DateTime.Now.ToString("yyyyMMddhhmmss") + r.Next(1000, 10000) + ext;
path = Request.MapPath("~/upload/" + filename);
//保存上传的文件
file.SaveAs(path);
Response.Write("保存成功");
}
else
{
Response.Write("格式不正确");
}
}
else
{
Response.Write("请上传文件失败");
}
}
return path;
}