private void GetStuName()
{
Fannie.Mail mail = new Fannie.Mail();
DataTable dt = mail.GetSendToStu(1, id).Tables[0];
for (int i = 0; i < dt.Rows.Count; i++)
{
ListItem li = new ListItem();
li.Text = dt.Rows[i][1].ToString();
ddlTeacher.Items.Add(li);
li = null;
}
}
/// <summary>
/// 提交上传的文件
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
protected void btn_Commit_Click(object sender, EventArgs e)
{
#region 属性
int flag1 = 0;
string mailtheme;
string mailcontent;
string filepath;
string mailtype = "答疑";
DateTime sendertime = DateTime.Now;
string signdate = DateTime.Now.ToString("yyyyMMddHHmm");
Fannie.Mail ml = new Fannie.Mail();
#endregion
#region 判断控件内添加的文件是否属于规定类型,否则警告
if (FileUploadMain.HasFile)
{
bool fileOK = false;
string fileExtension = System.IO.Path.GetExtension(FileUploadMain.FileName).ToLower();
String[] allowedExtensions = { ".doc", ".docx", ".xls", ".xlsx", ".ppt", ".pptx", ".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、.xlsx、.ppt、.pptx、.rar、zip类型！请重新上传。')</script>");
return;
}
int filesize = (FileUploadMain.PostedFile.ContentLength);
if (filesize > 50000000)
{
Response.Write("<script>alert('您上传的文件大于50MB，请重新选择')<script>");
return;
}
else
{
//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();
filepath = Server.MapPath("~/") + "Mail\\" + signdate + "-" + FileUploadMain.FileName;
if (File.Exists(filepath))
{
Response.Write("<script>alert('您即将上传的附件已存在，请重新选择文件或者更改文件名')<script>");
}
FileUploadMain.SaveAs(filepath);
}
}
else
{
filepath = "";
}
#endregion
string[] name = tbSendTo.Text.Split(',');
mailtheme = txt_theme.Text;
mailcontent = txt_contents.Text;
if (tbSendTo.Text != "")
{
if (ddlTeacher.Visible)
{
Fannie.Mail mail = new Fannie.Mail();
DataTable dt = mail.GetSendToStu(2, Request.Cookies["id"].Value.ToString()).Tables[0];
for (int i = 0; i < name.Length; i++)
{
for (int j = 0; j < dt.Rows.Count; j++)
{
if (name[i] == dt.Rows[j][1].ToString())
{
flag1 = ml.AddMail(id, dt.Rows[j][0].ToString(), mailtheme, mailcontent, sendertime, mailtype, filepath);
}
}
}
}
else
{
flag1 = ml.AddMail(id, sid, mailtheme, mailcontent, sendertime, mailtype, filepath);
}
}
if (flag1 > 0)
{
Response.Write("<script language='javascript'>alert('回复答疑成功！');window.location.href='MailManage.aspx';</script>");
}
else
{
Response.Write("<script language='javascript'>alert('回复答疑失败！');window.location.href='SendMail.aspx';</script>");
}
}