login.cs

主要实现软件的基本架构

using System;
using System.Data;

namespace sp
{
	/// <summary>
	/// login 的摘要说明。
	/// </summary>
	public class login
	{   public static string Biao="Bet_userinfo";
		public login()
		{
			//
			// TODO: 在此处添加构造函数逻辑
			//
		}
		public static void lo(string usn,string pwd)
		{
			string sql="SELECT id FROM "+Biao+" where UserName='"+usn+"' and UserPassword='"+pwd+"'";
			DataTable dt=sp.Base.ExecuteSql4Ds(sql).Tables[0];
			if (dt.Rows.Count>0)
			{
				System.Web.HttpContext.Current.Session["Uid"]=dt.Rows[0]["ID"];
                System.Web.HttpContext.Current.Response.Write("<script>location.href='Default.aspx';</script>");
			}
			else
			{System.Web.HttpContext.Current.Response.Redirect("msg.aspx?msg=您的用户名或密码错误，请核对后再登陆！");}
			
		}
		public static void chlog()
		{
            if (System.Web.HttpContext.Current.Session["Uid"] == null)
            { Out(); }
			
		}

		public static void adminlo(string usn,string pwd)
		{
			string sql="SELECT id FROM Bet_admincenter where adminName='"+usn+"' and adminPass='"+pwd+"'";
			DataTable dt=sp.Base.ExecuteSql4Ds(sql).Tables[0];
			if (dt.Rows.Count>0)
			{
				System.Web.HttpContext.Current.Session["AdminUid"]=dt.Rows[0]["ID"];
                System.Web.HttpContext.Current.Session["AdminName"] = dt.Rows[0]["ID"];
                System.Web.HttpContext.Current.Response.Write("<script>top.location.href='index.htm';</script>");
			}
			else
			{sp.Functions.JsAlerT("您的用户或密码错误,请核对后再登陆!");;}
			
		}
        /// <summary>
        /// 检查是否有管理权限
        /// </summary>
        /// <returns></returns>
		public static bool isadmin()
        {
            if (System.Web.HttpContext.Current.Session["AdminUid"] == null)
            { return false; }
            else
            { return true; }
		}

        public static void adminch()
        {
            if (System.Web.HttpContext.Current.Session["AdminUid"] == null)
            { Out(); }

        }
		public static void Out()
		{   
			System.Web.HttpContext.Current.Session.Clear();
            System.Web.HttpContext.Current.Response.Write("<script>top.location.href='admin_login.aspx';</script>");
			System.Web.HttpContext.Current.Response.End();
		}
        public static void UserOut()
        {
            System.Web.HttpContext.Current.Session.Clear();
            System.Web.HttpContext.Current.Response.Write("<script>top.location.href='Default.aspx';</script>");
            System.Web.HttpContext.Current.Response.End();
        }
        
	}
}