用下面的代碼文件:不要覆蓋通過FileUpload控件上傳
protected void Button1_Click(object sender, EventArgs e)
{
if (FileUpload1.HasFile)
{
string fileExt =
System.IO.Path.GetExtension(FileUpload1.FileName);
if (fileExt == ".jpg" || fileExt == ".jpeg" || fileExt == ".gif" || fileExt == ".png")
{
try
{
FileUpload1.SaveAs(Server.MapPath("../uploads/originals/" + FileUpload1.FileName));
Label1.Text = "File name: " +
FileUpload1.PostedFile.FileName + "<br>" +
FileUpload1.PostedFile.ContentLength + " kb<br>" +
"Content type: " +
FileUpload1.PostedFile.ContentType;
}
catch (Exception ex)
{
Label1.Text = "ERROR: " + ex.Message.ToString();
}
}
else
{
Label1.Text = "Only image files are allowed!";
}
}
else
{
Label1.Text = "You have not specified a file.";
}
}
我希望如此,如果該文件存在,它改變了它的名字,讓它有任何內置的功能,這?經典的ASP有一個參數,所以當你上傳say.jpg時,然後它會變成house(1).jpg等等,這很有用。