上传

 //判断是否为合格上传格式
    public bool ifisfile(string str)
    {
        bool file0k = false;
        string[] allowedextensions ={ ".pdf",".ppt", ".doc", ".xls", ".png", ".jpg", ".png", ".bmp", ".txt", ".pdg",".rar",".zip", ".gif" };
        for (int i = 0; i < allowedextensions.Length; i++)
        {
            if (str == allowedextensions[i])
            {
                file0k = true;
                break;
            }
        }
        if (file0k)
            return true;
        else
            return false;
    }

//上传函数

   public void upload()
    {
        string fileextension = System.IO.Path.GetExtension(FileUpload1.FileName).ToLower();
        if (ifisfile(fileextension))
        {
            string fname = FileUpload1.FileName;
            string ftype = System.IO.Path.GetExtension(FileUpload1.FileName);
            attach = createstring() + fname;
            FileUpload1.SaveAs(Server.MapPath("~\\upload") + "\\" +attach);
        }
        else
        {
            WebMessageBox.Show("上传文件格式不对!");
            return;
        }
    }

 

//上传

    protected void btnadd_Click(object sender, EventArgs e)
    {
        string title = txttitle.Text;
        string summary = txtsummary.Text;
        string content = txtContent.Value;//FCKeditor1.Value;
        string remark = txtremark.Text;
        int tid = Convert.ToInt32(ViewState["tid"].ToString());
        string esid="";
        attach = FileUpload1.FileName.ToString();
        if (attach.Length>1)
        {
            upload();
        }
        if (ViewState["esid"]!=null)
        {
            esid = ViewState["esid"].ToString();
        }
        else
        {
            esid = createstring();
        }
        if (article.articlecreate(tid, esid, title, summary, content, remark, attach))
        {
            WebMessageBox.Show("Add success!");
        }
        else
            WebMessageBox.Show("Add failed");
    }