FileUpload过滤文件类型

来源：互联网发布：淘宝店铺装修轮播图编辑：程序博客网时间：2024/05/16 14:34

protected void btnSave_Click(object sender, EventArgs e)
        {
            // 确定文件夹
            string directory = WhichDirectory();
            StringBuilder str = new StringBuilder();

            if(FileUpload1.HasFile)
            {
               // 对上传文件的类型进行过滤，该处只能传压缩文件(rar或者zip)，这种文件在火狐

浏览器中，叫application/octet-stream

if ((this.FileUpload1.PostedFile.ContentType == "application/x-zip-compressed")

                 || (this.FileUpload1.PostedFile.ContentType == "application/octet-stream"))
                {
                    try
                    {
                        str.AppendFormat("上传文件名: {0}", FileUpload1.FileName);

// 保存文件
string thefilepath = string.Format(HttpContext.Current.Server.MapPath(("~/

{0}/{1}/") FileUpload1.FileName), "资源", directory);
FileUpload1.SaveAs(thefilepath);

// 显示文件的信息
 str.AppendFormat(" 正在上传: {0}", FileUpload1.PostedFile.FileName);
 str.AppendFormat(" 文件类型: {0}",

FileUpload1.PostedFile.ContentType);
str.AppendFormat(" 文件大小: {0}",

FileUpload1.PostedFile.ContentLength);
str.AppendFormat(" 已上传文件: {0}",

FileUpload1.PostedFile.FileName);
 }
 catch
 {
 str.Append(" Error ");
 str.AppendFormat("无法储存: {0}", FileUpload1.FileName);
 }
 }
 else
 {
 lblDisplay.Text = "非压缩文件无法上传";

 }

 }
 else
 {
 lblDisplay.Text = "无文件上传";
 }

 lblMessage.Text = str.ToString();
 }

}