.net上传功能fileupload代码
protected void Button4_Click(object sender, EventArgs e)
{
/* 所有文件全部通通都上传
string fn = DateTime.Now.ToString("yyyyMMddHHmmss") + FileUpload1.FileName;
FileUpload1.SaveAs(Server.MapPath("touxiang\\" + fn));
*/
this.Image1.Visible = false;
string fn = DateTime.Now.ToString("yyyyMMddHHmmss") + FileUpload1.FileName;
if (FileUpload1.HasFile)
{
string fileExt = System.IO.Path.GetExtension(FileUpload1.FileName);
if (fileExt == ".jpg" || fileExt == ".gif" || fileExt == ".bmp")
{
try
{
FileUpload1.SaveAs(Server.MapPath("/touxiang") + "\\" + fn);
this.Image1.Visible = true;
this.Image1.ImageUrl = "~/touxiang" + "/" + fn;
}
catch (Exception ex)
{
LTP.Common.MessageBox.Show(this, "发生错误:" + ex.Message.ToString());
}
}
else
{
LTP.Common.MessageBox.Show(this, "只允许上传jpg、gif文件!");
}
}
else
{
LTP.Common.MessageBox.Show(this, "没有选择要上传的文件!");
}
}