用户登录过程

来源：互联网发布：中国固定资产投资数据编辑：程序博客网时间：2024/05/18 17:44
protected void Button1_Click(object sender, EventArgs e)    {        if (this.txt_user_name.Text.Trim() == "" || this.txt_user_pwd.Text.Trim() == "")        {            return;        }        else        {            Dqt.Reporter.BLL.user UserBLL = new Dqt.Reporter.BLL.user();            Dqt.Reporter.Model.user UserModel = new Dqt.Reporter.Model.user();            List<Dqt.Reporter.Model.user> userlist = UserBLL.GetModelList("(UserName='" + txt_user_name.Text.Trim() + "' or Email='" + txt_user_name.Text.Trim() + "')" + " and UserPassword='" + MFunction.Md5HashString(txt_user_pwd.Text.Trim().ToString()) + "'");            if (userlist.Count > 0)            {                UserModel = userlist[0];                UserModel.LastLoginIp = Request.UserHostAddress;                UserModel.LastLoginTime = Util.TimeToUnixTimes(DateTime.Now.ToString());                UserBLL.Update(UserModel);                UserInstance.Instance.Dispose();                string span = Util.TimeToUnixTimes(DateTime.Now.ToString()).ToString();                string key = MFunction.Md5New(MFunction.Md5New(span + UserModel.UserId.ToString() + HttpUtility.UrlEncode(UserModel.UserName) + span));                HttpCookie myCookie = new HttpCookie("dqtxjz");                myCookie.Values.Add("LoginUserId", UserModel.UserId.ToString());                myCookie.Values.Add("LoginUserName", HttpUtility.UrlEncode(UserModel.UserName));                myCookie.Values.Add("TimeSpan", span);                myCookie.Values.Add("Type", UserModel.Type.ToString());                myCookie.Values.Add("Key", key);                if (cb.Checked == true)                {                    myCookie.Expires = DateTime.Now.AddDays(15);                }                else                {                    myCookie.Expires = DateTime.Now.AddHours(12);                }                //    myCookie.Domain = "59miao.com";                HttpContext.Current.Response.Cookies.Add(myCookie);                urlrefer = Literal1.Text;                if (string.IsNullOrEmpty(urlrefer) || urlrefer.Contains("login") || urlrefer.Contains("reg"))                    Response.Redirect("/");                else                    Response.Redirect(urlrefer);            }            else            {                Page.ClientScript.RegisterClientScriptBlock(Page.GetType(), "", "alert('用户名或者密码不正确！');", true);                return;            }        }    }
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