//点击登录按钮事件
protected void ImageButton1_Click(object sender, ImageClickEventArgs e)
{
//判断是否选择用户类型
if (RadioButton1.Checked == false && RadioButton2.Checked == false)
{
//Response.Write("<script type = 'text/javascript'> alert('请选择用户类型！'); </script>");
RegisterClientScriptBlock("", "<script>alert('请选择用户类型！')</script>");
return;
}
//判断选择学生用户
else if (RadioButton2.Checked == true)
{
StudentInfo studentInfo = new StudentInfo(txtName.Text, txtPassword.Text);
//登录成功
if (StudentInfoManager.StudentLoginCheck(studentInfo) && (txtcode.Text == lblcode.Text))
{
Session["stuId"] = txtName.Text;
Session["password"] = txtPassword.Text;
Response.Redirect("StudentDefault.aspx"); //跳转到系统学生主界面
}
//登录失败
else if ((!(StudentInfoManager.StudentLoginCheck(studentInfo))) && (txtcode.Text == lblcode.Text))
{
//Response.Write("<script type = 'text/javascript'> alert('用户名或密码错误！'); </script>");
RegisterClientScriptBlock("", "<script>alert('用户名或密码错误！')</script>");
txtName.Text = "";
txtPassword.Text = "";
txtName.Focus();
}
else if (StudentInfoManager.StudentLoginCheck(studentInfo) && (txtcode.Text != lblcode.Text))
{
//Response.Write("<script type = 'text/javascript'> alert('验证码错误！'); </script>");
RegisterClientScriptBlock("", "<script>alert('验证码错误！')</script>");
txtcode.Text = "";
txtcode.Focus();
}
else if ((!(StudentInfoManager.StudentLoginCheck(studentInfo))) && (txtcode.Text != lblcode.Text))
{
//Response.Write("<script type = 'text/javascript'> alert('用户名或密码错误！'); </script>");
RegisterClientScriptBlock("", "<script>alert('用户名或密码错误！')</script>");
txtName.Text = "";
txtPassword.Text = "";
txtName.Focus();
}
}
//判断选择教师用户
else if (RadioButton1.Checked == true)
{
TeacherInfo teacherInfo = new TeacherInfo(txtName.Text, txtPassword.Text);
//登录成功
if (TeacherInfoManager.TeacherLoginCheck(teacherInfo) && (txtcode.Text == lblcode.Text))
{
Session["teaId"] = txtName.Text;
Response.Redirect("TeacherDefault.aspx"); //跳转到系统教师主界面
}
//登录失败
else if ((!(TeacherInfoManager.TeacherLoginCheck(teacherInfo))) && (txtcode.Text == lblcode.Text))
{
//Response.Write("<script type = 'text/javascript'> alert('用户名或密码错误！'); </script>");
RegisterClientScriptBlock("", "<script>alert('用户名或密码错误！')</script>");
txtName.Text = "";
txtPassword.Text = "";
txtName.Focus();
}
else if (TeacherInfoManager.TeacherLoginCheck(teacherInfo) && (txtcode.Text != lblcode.Text))
{
//Response.Write("<script type = 'text/javascript'> alert('验证码错误！'); </script>");
RegisterClientScriptBlock("", "<script>alert('验证码错误！')</script>");
txtcode.Text = "";
txtcode.Focus();
}
else if ((!(TeacherInfoManager.TeacherLoginCheck(teacherInfo))) && (txtcode.Text != lblcode.Text))
{
//Response.Write("<script type = 'text/javascript'> alert('用户名或密码错误！'); </script>");
RegisterClientScriptBlock("", "<script>alert('用户名或密码错误！')</script>");
txtName.Text = "";
txtPassword.Text = "";
txtName.Focus();
}
}
}
