protected void Page_Load(object sender, EventArgs e) { //获取ID StrID = Convert.ToInt32(Request.QueryString["id"].ToString()); Fannie.DownloadZone dz1 = new Fannie.DownloadZone(); DataSet ds1 = new DataSet(); ds1 = dz1.Getonefile(StrID); DataTable dt1 = ds1.Tables[0]; if (!IsPostBack) { txt_filetitle.Text = dt1.Rows[0]["title"].ToString(); txt_discription.Text = dt1.Rows[0]["describe"].ToString(); } }
protected void DownloadBtn_Click(object sender, EventArgs e) { Fannie.DownloadZone dz2 = new Fannie.DownloadZone(); DataTable dt2 = new DataTable(); ImageButton img = (ImageButton)sender; // LinkButton lbtn = sender as LinkButton; dt2 = dz2.Getonefile(Convert.ToInt32(img.CommandArgument)).Tables[0]; if (dt2.Rows[0]["FilePath"].ToString() != "") { //if (!File.Exists(dt2.Rows[0]["FilePath"].ToString())) //{ // Response.Write("<script>alert('附件不存在!')<script>"); //} //else //{ //获取文件名 string FileNameNoExtension = System.IO.Path.GetFileNameWithoutExtension(dt2.Rows[0]["FilePath"].ToString()).ToLower(); //获取文件后缀 string FileExtension = System.IO.Path.GetExtension(dt2.Rows[0]["FilePath"].ToString()).ToLower(); string FileFullName = FileNameNoExtension + FileExtension; string filepath = Server.MapPath("~/") + "DownloadZone\\" + FileFullName; Response.Clear(); Response.Charset = "utf-8"; Response.Buffer = true; this.EnableViewState = false; Response.AppendHeader("Content-Disposition", "attachment;filename=" + HttpUtility.UrlEncode(FileFullName)); Response.ContentType = "application/unknown"; Response.WriteFile(filepath); Response.Flush(); Response.Close(); Response.End(); //} } else { Response.Write("<script>alert('没有文件不存在!');window.history.back();</script>"); } }
//修改文档信息 protected void btnModify_Click1(object sender, EventArgs e) { #region 属性 string filetitle; string filedescribe; string filepath; DateTime dtm = DateTime.Now; string signdate = DateTime.Now.ToString("yyyyMMddHHmm"); DateTime uploadtime = dtm.ToUniversalTime(); Fannie.DownloadZone dz2 = new Fannie.DownloadZone(); DataSet ds1 = new DataSet(); ds1 = dz2.Getonefile(StrID); DataTable dt2 = ds1.Tables[0]; #endregion if (this.FileUploadMain.Visible == true) { #region 判断控件内是否添加了文件,如添加,则判断是否属于规定类型,否则警告 if (FileUploadMain.HasFile) { bool fileOK = false; string fileExtension = System.IO.Path.GetExtension(FileUploadMain.FileName).ToLower(); String[] allowedExtensions = { ".doc", ".docx", ".xls", ".ppt", ".rar", ".zip" }; for (int i = 0; i < allowedExtensions.Length; i++) { if (fileExtension == allowedExtensions[i]) { fileOK = true; } } if (fileOK == false) { Response.Write("<script>alert('上传的附件只能是.doc、.docx、.xls、.ppt、.rar、.zip类型!请重新上传。')</script>"); return; } } else { Response.Write("<script>alert('您还没有选择上传文件!');history.go(-1)</script>"); return; } #endregion #region 判断上传的文件是否大于50MB if (FileUploadMain.HasFile) { int filesize = (FileUploadMain.PostedFile.ContentLength); if (filesize > 51200) { Response.Write("<script>alert('您上传的文件大于50MB,请重新选择')<script>"); return; } } #endregion //获取文件名 string FileNameNoExtension = System.IO.Path.GetFileNameWithoutExtension(FileUploadMain.FileName).ToLower(); //获取文件后缀 string FileExtension = System.IO.Path.GetExtension(FileUploadMain.FileName).ToLower(); #region 判断服务器是否存在同名文件,如是则要求更改,否则上传成功 filepath = Server.MapPath("~/") + "DownloadZone\\" + signdate + "-" + FileUploadMain.FileName; if (File.Exists(filepath)) { Response.Write("<script>alert('您即将上传的文件已在专区中存在,请重新选择文件或者更改文件名')<script>"); } FileUploadMain.SaveAs(filepath); filetitle = txt_filetitle.Text; filedescribe = txt_discription.Text; int flag1 = dz2.Updatefile(StrID, filetitle, filedescribe, uploadtime, filepath); if (flag1 > 0) { Response.Write("<script language='javascript'>alert('上传文件成功!');window.location.href='ZoneManage.aspx';</script>"); } else { Response.Write("<script language='javascript'>alert('上传文件失败!');window.location.href='ZoneUpload.aspx';</script>"); } #endregion } else { filetitle = txt_filetitle.Text; filedescribe = txt_discription.Text; uploadtime = Convert.ToDateTime(dt2.Rows[0]["uploadtime"].ToString()); filepath = dt2.Rows[0]["filepath"].ToString(); int flag2 = dz2.Updatefile(StrID, filetitle, filedescribe, uploadtime, filepath); if (flag2 > 0) { Response.Write("<script language='javascript'>alert('修改成功!');window.location.href='ZoneManage.aspx';</script>"); } } }