private void LoginCode()
{
string Snum = TextBoxuser.Text.Trim();
string Spwd = TextBoxpwd.Text.Trim();
string lbip = Labelip.Text;
string msg = "";
if (Snum != "" && Spwd != "")
{
if (LearnSite.Common.WordProcess.IsNum(Snum) && LearnSite.Common.WordProcess.IsEnNum(Spwd))
{
LearnSite.Model.Students model = new LearnSite.Model.Students();
LearnSite.BLL.Students bll = new LearnSite.BLL.Students();
int loginm = LearnSite.Common.XmlHelp.LoginMode();//获取登录方式 0表示个人密码方式登录 1表示班级密码方式登录
if (loginm == 1)
{
if (bll.ExistsLogin(Snum, Spwd))
{
model = bll.SnumGetModel(Snum);//查询该学号和班级密码的学生是否存在，存在返回实体，不存在返回null
}
else
{
model = null;
}
}
else
{
if (bll.ExistsLoginSelf(Snum, Spwd))
{
model = bll.GetStudentModel(Snum, Spwd);//查询该学号密码学生是否存在，存在返回实体，不存在返回null
}
else
{
model = null;
}
}
if (model != null)
{
int Qgrade = model.Sgrade.Value;
int Qclass = model.Sclass.Value;
int Qsid = model.Sid;
string Qname = model.Sname;
int Qsyear = model.Syear.Value;
int Qterm = Int32.Parse(LearnSite.Common.XmlHelp.GetTerm());
if (LearnSite.Common.XmlHelp.GetSingleLogin()) //如果是单点登录
{
if (!LearnSite.Common.App.IsLogin(Snum)) //如果不在线
{
if (LearnSite.Common.CookieHelp.SetStudentCookies(model, Labelip.Text)) //写cookies
{
DateTime LoginTime = DateTime.Now;
LearnSite.BLL.Signin gbll = new LearnSite.BLL.Signin();
gbll.SigninToday(Snum, LoginTime, lbip, Qgrade, Qterm, Qsid, Qname, Qclass, Qsyear); //签到
Btnlogin.Enabled = false;
LearnSite.Common.App.AppKickUserRemove(Snum); //将踢除列表中的学号去掉（2011-9-20修）
LearnSite.Common.App.AppUserAdd(Snum); //给网站全局变量列表中增加该用户
System.Threading.Thread.Sleep(200);
OpenJump(Qgrade, Qclass); //跳转选择
}
else
{
msg = "请不要换机，否则无法登录！";
}
}
else
{
msg = "该用户已经在其他电脑登录！<br/>请询问老师或查看当前是否是你自己的学号!";
}
}
else
{
if (LearnSite.Common.CookieHelp.SetStudentCookies(model, lbip))//写cookies
{
DateTime LoginTime = DateTime.Now;
LearnSite.BLL.Signin gbll = new LearnSite.BLL.Signin();
gbll.SigninToday(Snum, LoginTime, lbip, Qgrade, Qterm, Qsid, Qname, Qclass, Qsyear);//签到
Btnlogin.Enabled = false;
System.Threading.Thread.Sleep(200);
OpenJump(Qgrade, Qclass);//跳转选择
}
else
{
msg = "请不要换机，否则无法登录！";
}
}
}
else
{
string msgstr = "『当前为班级密码模式』";
if (loginm == 0)
{
msgstr = "『当前为个人密码模式』";
}
msg = "用户名或密码错误！" + msgstr;
TextBoxuser.Text = "";
TextBoxpwd.Text = "";
}
}
else
{
msg = "用户名或密码含有非法字符，学号必须为数字";
}
}
Labelmsg.Text = msg;
}
