fileupload验证文件

来源：互联网发布：显示自己是阿里云的ip 编辑：程序博客网时间：2024/05/01 11:45

文件类型验证：

protected void Button1_Click(object sender, EventArgs e)

{

if (FileUpload1.HasFile)

{

string fileExt = System.IO.Path.GetExtension(FileUpload1.FileName);

if (fileExt == ".jpg" || fileExt == ".gif")

{

try

{

FileUpload1.SaveAs(Server.MapPath("upload") + "\\" + FileUpload1.FileName);

Label1.Text = "客户端路径" + FileUpload1.PostedFile.FileName + " " +

"文件名：" + System.IO.Path.GetFileName(FileUpload1.FileName) + " " +

"文件扩展名：" + System.IO.Path.GetExtension(FileUpload1.FileName) + " " +

"文件大小：" + FileUpload1.PostedFile.ContentLength + " KB " +

"文件MIME类型： " + FileUpload1.PostedFile.ContentType + " " +

"保存路径：" + Server.MapPath("upload") + "\\" + FileUpload1.FileName;

}

catch (Exception ex)

{

Label1.Text = "发生错误：" + ex.Message.ToString();

}

else

{

Label1.Text = "只允许上传jpg、gif文件";

}

else

{

Label1.Text = "没有选择要上传的文件";

}

文件上传

protected void Button2_Click(object sender, EventArgs e)

{

if (FileUpload2.HasFile)

{

try

{

FileUpload1.SaveAs(Server.MapPath("upload") + "\\" + FileUpload2.FileName);

Label2.Text = "客户端路径：" + FileUpload2.PostedFile.FileName + " " +

"文件名：" + System.IO.Path.GetFileName(FileUpload2.FileName) + " " +

"文件扩展名：" + System.IO.Path.GetExtension(FileUpload2.FileName) + " " +

"文件大小：" + FileUpload2.PostedFile.ContentLength + " KB " +

"文件MIME类型：" + FileUpload2.PostedFile.ContentType + " " +

"保存路径：" + Server.MapPath("upload") + "\\" + FileUpload2.FileName;

}

catch (Exception ex)

{

Label2.Text = "发生错误：" + ex.Message.ToString();

}

else

{

Label2.Text = "没有选择要上传的文件";

}