protected void Page_Load(object sender, EventArgs e)
{
try
{
FilesBLL bll = new FilesBLL();
Files f = new Files();
int id;
string filePath;
string fileName;
id = Convert.ToInt32(Request.QueryString["id"]);
f.FUrl = bll.GetFileById(id).FUrl;
f.FRName = bll.GetFileById(id).FRName;
filePath = Server.MapPath(f.FUrl);//路径
fileName = f.FRName;//客户端保存的文件名
FileStream fs = new FileStream(filePath, FileMode.Open);
byte[] bytes = new byte[(int)fs.Length];
//以字符流的形式下载文件
fs.Read(bytes, 0, bytes.Length);
fs.Close();
Response.ContentType = "application/octet-stream";
//通知浏览器下载文件而不是打开
Response.AddHeader("Content-Disposition", "attachment; filename=" + HttpUtility.UrlEncode(fileName, System.Text.Encoding.UTF8));
Response.BinaryWrite(bytes);
Response.Flush();
Response.End();
}
catch (IOException)
{
throw;
}
}
//修改图片信息
//protected void photos_save_Click(object sender, EventArgs e)
//{
// PhotosBLL bll = new PhotosBLL();
// Photos photos = new Photos();
// photos.P_Info = photos_info.Text;
// photos.P_Url = Common.photoid;
// if (bll.Modify(photos))
// {
// Response.Redirect(HttpUtility.UrlDecode(Request.QueryString["url"].ToString()));
// }
// else
// {
// ClientScript.RegisterStartupScript(GetType(), "", "alert('修改失败');", true);
// }
//}
/// <summary>
/// 上传文件
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
protected void btnfileload_Click(object sender, EventArgs e)
{
if (FileUpload.HasFile)
{
try
{
FilesBLL bll = new FilesBLL();
Files file = new Files();
string serverPath = Server.MapPath("/FileSave");
if (!Directory.Exists(serverPath))
{
Directory.CreateDirectory(serverPath);
}
string fileName = FileUpload.FileName;
string newPath = serverPath + "\\" + fileName;
file.FRName = fileName;
FileUpload.SaveAs(newPath);
file.FUrl = "FileSave/" + fileName;
file.FSize = Convert.ToInt32(FileUpload.FileContent.Length / 1000);
file.FUserId = Convert.ToInt32(cookieRead("id"));
file.FName = file_info.Text;
if (file.FName.Equals(""))
{
file.FName = fileName;
}
bll.AddFiles(file);
tagContent5.Style["display"] = "block";
tagContent0.Style["display"] = "none";
ClientScript.RegisterStartupScript(GetType(), "", "alert('上传成功');", true);
}
catch (Exception)
{
ClientScript.RegisterStartupScript(GetType(), "", "alert('上传失败');", true);
}
}
}
