protected void Page_Init(object sender, EventArgs e)
{
string username = ((FormsIdentity)HttpContext.Current.User.Identity).Ticket.Name;
if (Session["kechengid"] == null)
{
int minkechengid = TeacherInfo.GetTeacherRenke_min_kechengid(username);
if (minkechengid > 0)
{
Session["kechengid"] = minkechengid;
}
else if (KechengInfo.GetKechengCount() > 0)
{
Session["kechengid"] = KechengInfo.MinKechengid();
}
else
{
List <string> noneKechengPage = new List <string>();//不需要课程的页面
noneKechengPage.Add("createcourse.aspx");
noneKechengPage.Add("help.aspx");
noneKechengPage.Add("addbanji.aspx");
noneKechengPage.Add("default.aspx");
noneKechengPage.Add("studentdaoru.aspx");
noneKechengPage.Add("wanshanxinxi.aspx");
noneKechengPage.Add("addstudent.aspx");
noneKechengPage.Add("editstudent.aspx");
noneKechengPage.Add("editstudentinfo.aspx");
noneKechengPage.Add("gerenxinxi.aspx");
noneKechengPage.Add("kcxianyou.aspx");
string url = HttpContext.Current.Request.Url.AbsolutePath;
string pageurl = url.Substring(url.LastIndexOf("/") + 1).ToLower();
if (!noneKechengPage.Contains(pageurl))
{
Response.Redirect("createcourse.aspx");
}
}
}
if (!IsPostBack)
{
Literal2.Text = TeacherInfo.TeacherXingMing(username) + "老师.";
if (Session["kechengid"] != null)
{
lbl_kecheng.Text = KechengInfo.getKechengname(DropDownList1.SelectedValue = Session["kechengid"].ToString());
}
else
{
lbl_kecheng.Text = "未知";
}
lbtn_qiehuan.Visible = TeacherInfo.IsManager(username);//是否显示身份切换链接
}
}
protected void Page_Init(object sender, EventArgs e)
{
if (Session["kechengid"] == null)
{
if (KechengInfo.GetKechengCount() > 0)
{
Session["kechengid"] = KechengInfo.MinKechengid().ToString();
}
else
{
Response.Redirect("default.aspx");
}
}
if (!IsPostBack)
{
string stuusername = ((FormsIdentity)HttpContext.Current.User.Identity).Ticket.Name;
Literalxingming.Text = StudentInfo.GetStuXingming(stuusername);
}
lbl_kecheng.Text = KechengInfo.getKechengname(Session["kechengid"].ToString());
CheckCeshi();//判断学生有无未完成的测试，如果有，不允许进行其他学习活动，只能进行测试
}
protected void Page_Init(object sender, EventArgs e)
{
if (Request.QueryString["kechengid"] != null)
{
Session["kechengid"] = Request.QueryString["kechengid"].Trim();
}
else
{
if (Session["kechengid"] == null)
{
if (KechengInfo.GetKechengCount() > 0)
{
Session["kechengid"] = KechengInfo.MinKechengid().ToString();
}
else
{
Response.Redirect("../default.aspx");
}
}
}
literal_kecheng.Text = KechengInfo.getKechengname(Session["kechengid"].ToString());;
}
protected void Page_Init(object sender, EventArgs e)
{
if (Session["kechengid"] == null)
{
if (KechengInfo.GetKechengCount() > 0)
{
Session["kechengid"] = KechengInfo.MinKechengid().ToString();
}
else
{
Response.Redirect("../default.aspx");
}
}
label_kecheng.Text = KechengInfo.getKechengname(Session["kechengid"].ToString());
string username = string.Empty;
string usershenfen = string.Empty;
try
{
username = ((FormsIdentity)HttpContext.Current.User.Identity).Ticket.Name;
usershenfen = ((FormsIdentity)HttpContext.Current.User.Identity).Ticket.UserData;
}
catch
{
}
if (username != string.Empty && usershenfen != string.Empty)
{
Literal2.Text = username;
user_login.Visible = false;
user_logout.Visible = true;
}
else
{
Literal2.Text = "游客.";
user_login.Visible = true;
user_logout.Visible = false;
}
}
protected void Buttonloginin_Click(object sender, EventArgs e)
{
Labelerror.Text = "";
bool yonghukeyong = true;
string username = TextBoxusername.Text.Trim();
string password = TextBoxpassword.Text.Trim();
string shenfen = RadioButtonListshenfen.SelectedValue.ToString().Trim();
SqlConnection conn = new SqlConnection();
conn.ConnectionString = ConfigurationManager.ConnectionStrings["kecheng2012ConnectionString"].ConnectionString;
SqlCommand comm = conn.CreateCommand();
bool chenggong = false;
SqlDataReader sdr;
conn.Open();
if (shenfen == "teacher")
{
comm.CommandText = "select [password],[keyong] from [tb_teacher] where [username]=@username";
comm.Parameters.AddWithValue("@username", username);
sdr = comm.ExecuteReader();
if (sdr.Read())
{
if (sdr.GetString(0).Trim() == password)
{
chenggong = true;
}
if (sdr.GetString(1).Trim() == "否")
{
yonghukeyong = false;
}
}
sdr.Close();
}
else if (shenfen == "student")
{
comm.CommandText = "select [password] from [tb_Student] where [username]= @username";
comm.Parameters.AddWithValue("@username", username);
sdr = comm.ExecuteReader();
if (sdr.Read())
{
if (sdr.GetString(0).Trim() == password)
{
chenggong = true;
}
}
sdr.Close();
}
else//管理员
{
comm.CommandText = "select [password],[manager],[keyong] from [tb_teacher] where [username]=@username";
comm.Parameters.AddWithValue("@username", username);
sdr = comm.ExecuteReader();
if (sdr.Read())
{
string userpassword = sdr.GetString(0);
if (!sdr.IsDBNull(1))
{
string ismanager = sdr.GetString(1);
if (userpassword == password && (ismanager == "manager" || ismanager == "supermanager"))
{
chenggong = true;
}
}
if (sdr.GetString(2).Trim() == "否")
{
yonghukeyong = false;
}
}
sdr.Close();
}
conn.Close();
comm.Dispose();
//创建认证票据
if (chenggong && yonghukeyong)
{
FormsAuthentication.Initialize();
FormsAuthenticationTicket ticket = new FormsAuthenticationTicket(
1, //票据版本号
username, //票据持有者
DateTime.Now, //分配票据的时间
DateTime.Now.AddHours(3), //失效时间
true, //需要用户的cookie
shenfen, //用户的角色
FormsAuthentication.FormsCookiePath); //cookie有效路径
string hash = FormsAuthentication.Encrypt(ticket); //加密
HttpCookie cookie = new HttpCookie(FormsAuthentication.FormsCookieName, hash); //加密之后的cookie
cookie.Expires = ticket.Expiration;
//添加cookie到页面请求响应中
Response.Cookies.Add(cookie);
string returnurl = "";
if (shenfen == "teacher")
{
returnurl = "teacher/Default.aspx";
}
else if (shenfen == "student")
{
if (KechengInfo.GetKechengCount() > 0)
{
Session["kechengid"] = KechengInfo.MinKechengid();
}
returnurl = "student/Default.aspx";
}
else if (shenfen == "manager")
{
returnurl = "manager/tianjiabanji.aspx";
}
Response.Redirect(returnurl);
}
else
{
if (!yonghukeyong)
{
Labelerror.Text = "该用户已被禁用，请与管理员联系！";
}
else
{
Labelerror.Text = "用户名或密码错误！请重试！";
}
}
}