protected void Log(object sender, EventArgs e)
{
En_User user = BADL_User.Login(RegularExpressions.MyEncodeInputString(uInfo.Value.Trim()), Md5.MD5_encrypt(RegularExpressions.MyEncodeInputString(uPwd.Value.Trim())));
if (user != null)
{
Session["User"] = user; //将user写入session
if (!BADL_User.ChangeLogInfor(user.UNum, DateTime.Now)) //更新登录时间异常
{
Response.Write("<script>alert('更新登录时间异常，登录失败')</script>");
}
else
{
HttpCookie cookieUserName = new HttpCookie("UserName");//将用户名写入cookie
cookieUserName.Value = user.UName;
cookieUserName.Expires = System.DateTime.Now.AddDays(1);
Response.Cookies.Add(cookieUserName);
string userRole = BADL_User.GetUserRole(user.UNum); //得到用户的角色
Session["UserRole"] = userRole; //将userRole写入session,一般用户的role为"0"
HttpCookie cookieUserRole = new HttpCookie("UserRole"); //将userRole写入cookie
cookieUserRole.Value = userRole;
cookieUserRole.Expires = System.DateTime.Now.AddDays(1);
Response.Cookies.Add(cookieUserRole);
if (savePwd.Checked)//如果用户记住密码，将学号和登录密码写入cookie
{
HttpCookie cookieUser = new HttpCookie("UserLog");
cookieUser.Value = user.UNum + "+" + Md5.MD5_encrypt(uPwd.Value);
cookieUser.Expires = System.DateTime.Now.AddDays(1);
Response.Cookies.Add(cookieUser);
}
Response.Redirect("index.aspx");
}
}
else
{
Response.Write("<script>alert('登录失败，用户名或密码不正确')</script>");
}
}
protected void OnInit(object sender, EventArgs e)//如果有cookie或session的话，已是登录状态，直接跳转
{
if (Session["User"] == null)
{
if (Request.Cookies["UserLog"] != null)//session过期，查看cookie是否存在
{
string[] message = Request.Cookies["UserLog"].Value.Split('+');
if (message.Length == 2)
{
string worknum = message[0];
string password = message[1];
if (BADL_User.CheckCookies(worknum, password)) //判断cookie的真实性
{
Session["User"] = BADL_User.Login(worknum); //写入session
Response.Redirect("index.aspx");
}
}
}
}
else//session未过期，直接登录，跳转到首页
{
Response.Redirect("index.aspx");
}
}