public object DownFile(string filecode)
{
if (string.IsNullOrEmpty(filecode))
{
HttpContext.Current.Response.Write("参数错误");
HttpContext.Current.Response.End();
return null;
}
string filepath = StrFormatClass.Decrypt(filecode, ref errmsg);
if (!string.IsNullOrEmpty(errmsg) || string.IsNullOrEmpty(filepath) || filepath.Length <= 14)
{
HttpContext.Current.Response.Write("参数解析错误");
HttpContext.Current.Response.End();
return null;
}
filepath = filepath.Substring(0, filepath.Length - 14);
string filename = Models.GlobalParameters.RootFilePath + filepath;
if (!File.Exists(filename))
{
HttpContext.Current.Response.Write("文件不存在");
HttpContext.Current.Response.End();
return null;
}
string fname = Path.GetFileName(filename);
//文件名
string str = "attachment;filename=" + fname;
//把文件头输出，此文件头激活文件下载框
HttpContext.Current.Response.AppendHeader("Content-Disposition", str);//http报头文件
HttpContext.Current.Response.ContentType = "application/octet-stream";
HttpContext.Current.Response.WriteFile(filename);
HttpContext.Current.Response.Flush();
HttpContext.Current.Response.End();
return null;
}
public UserInfoViewModel Readcookie(ref string errmsg)
{
HttpCookie cookie = HttpContext.Current.Request.Cookies["CIRSUser"];
if (cookie == null || string.IsNullOrEmpty(cookie.Value))
{
errmsg = "未登录";
return(null);
}
string decTicket = StrFormatClass.Decrypt(cookie.Value, ref errmsg);
if (string.IsNullOrEmpty(decTicket) || !string.IsNullOrEmpty(errmsg))
{
errmsg = "解密用户认证数据错误";
return(null);
}
UserInfoViewModel userData;
try
{
userData = JsonConvert.DeserializeObject <UserInfoViewModel>(decTicket);
}
catch
{
errmsg = "反序列化错误";
userData = null;
}
return(userData);
}
