public void RegisterUser(object sender, EventArgs e)
{
string UserName = username.Value;
string Num = num.Value;
string Pwd1 = password1.Value;
string Pwd2 = password2.Value;
string Role = role.Value;
string err = "", tan = "";
if (Pwd1 != Pwd2)
{
err = "两次密码输入不一致!";
}
//在这里之前，你要先判断一下 用户登录的是 学生还是教师
//学生才查询学生表，教师查询教师表
if (Role == "学生")
{
Student stu = new StudentFacade().SelectStudentByNum(Num);
if (stu != null)
{
err = "用户已存在！";
}
else
{
Student s = new Student()
{
Name = UserName,
Num = Num,
PassWord = Pwd1,
};
int i = new StudentFacade().AddStudent(s);
if (i < 1)
{
tan = "添加失败！";
}
else
{
tan = "添加成功！";
}
}
}
else
{
Teacher tch = new TeacherFacade().SelectTeacherByNum(Num);
if (tch != null)
{
err = "用户已存在！";
}
else
{
Teacher t = new Teacher()
{
Name = UserName,
Num = Num,
PassWord = Pwd1,
};
int j = new TeacherFacade().AddTeacher(t);
if (j < 1)
{
tan = "添加失败！";
}
else
{
tan = "添加成功！";
}
}
}
if (string.IsNullOrEmpty(err))
{
ScriptManager.RegisterStartupScript(this.Page, this.GetType(), "onekey", "alert('" + tan + "');jump('/Login.aspx')", true);
error.Visible = false;
error.InnerHtml = err;
}
else
{
error.Visible = true;
error.InnerHtml = err;
}
}
public void LoginUser(object sender, EventArgs e)
{
string Num = num.Value;
string PassWord = Password.Value;
string Role = role.Value;
string err = "";
LoginSession ls = new LoginSession();
if (Role == "学生")
{
Student stu = new StudentFacade().SelectStudentByNum(Num);
if (stu != null)
{
if (stu.PassWord != PassWord)
{
err = "用户名密码错误！";
}
else {
ls.Id = stu.Id;
ls.Name = stu.Name;
ls.Num = stu.Num;
ls.PassWord = stu.PassWord;
ls.LoginType = 0;
}
}
else
{
err = "用户不存在，请去注册！";
}
}
else {
Teacher tch = new TeacherFacade().SelectTeacherByNum(Num);
if (tch != null)
{
if (tch.PassWord != PassWord)
{
err = "用户名密码错误！";
}
else
{
ls.Id = tch.Id;
ls.Name = tch.Name;
ls.Num = tch.Num;
ls.PassWord = tch.PassWord;
ls.LoginType = 1;
}
}
else
{
err = "用户不存在，请去注册！";
}
}
if (string.IsNullOrEmpty(err))
{
Session["LoginBuffer"] = ls;
error.Visible = false;
error.InnerHtml = err;
Response.Redirect("Frame/Main.aspx");
}
else
{
error.Visible = true;
error.InnerHtml = err;
}
}
