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();
}
}
public void Dtbind()
{
ZoneList.DataKeyNames = new string[] { "DataNo" };
Fannie.DownloadZone dz1 = new Fannie.DownloadZone();
DataSet ds1 = new DataSet();
DataTable dt1 = new DataTable();
ds1 = dz1.Getfile();
dt1 = ds1.Tables[0];
for (int i = 0; i < dt1.Rows.Count; i++)
{
dt1.Rows[i]["title"] = SubStr(Convert.ToString(dt1.Rows[i]["title"]), 40);
dt1.Rows[i]["describe"] = SubStr(Convert.ToString(dt1.Rows[i]["describe"]), 50);
}
ZoneList.DataSource = dz1.Getfile();
ZoneList.DataBind();
}
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>");
}
}
/// <summary>
/// 删除所选文件
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
protected void btnDelete_Click(object sender, EventArgs e)
{
int count = 0;
int flag = this.ZoneList.Rows.Count;
Fannie.DownloadZone dz2 = new Fannie.DownloadZone();
for (int i = 0; i < flag; i++)
{
CheckBox cb = (CheckBox)this.ZoneList.Rows[i].FindControl("CB1");
if (cb.Checked == true)
{
dz2.Deletefile(Convert.ToInt32(ZoneList.DataKeys[i].Value.ToString()));
}
else
{
count++;
}
}
if (count == flag)
{
Response.Write("<script>alert('请先选择需要删除的记录');window.location.href='ZoneManage.aspx';</script>");
}
Dtbind();
}
//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>");
}
}
}
