admin_login.aspx.cs

来自「企业网站前台后台源程序,用于大中小型企业网站后台程序开发」· CS 代码 · 共 131 行

using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
using BLL;
using Socut.Data;

namespace Websystem.admin
{
	/// <summary>
	/// admin_login 的摘要说明。
	/// </summary>
	 
	public class admin_login : System.Web.UI.Page
	{ 
		public string str = "";
		public string outurl = "admin_login.aspx";
		public string gourl = "administrator.aspx";


		protected System.Web.UI.WebControls.Image imgCode;
	
		private void Page_Load(object sender, System.EventArgs e)
		{
		       other chk = new other();

	
			if (chk.isDefined("out"))
			 {
				 chk.logout(outurl);
				

			 }
			if (this.IsPostBack)
			{
				chklogin();
			}

			
		}

		public void chklogin()
		{  
			string name="";
			string pass = "";
   
			string sql = "";
      

			if (System.Web.HttpContext.Current.Request.Cookies["CheckCode"] == null)
			{
				str = "  showalert('警告','验证码已经超时，请重新刷新页面！');";
			}
			else if (System.Web.HttpContext.Current.Request.Cookies["CheckCode"].Value != Request["chkcode"])
			{

				str = "  showalert('警告','验证码已经超时，请重新刷新页面！');";

			}
			else
			{
				System.Web.HttpContext.Current.Response.Cookies["CheckCode"].Value = null;

            
				other chk = new other();
				if (chk.isDefined("u_id"))
				{
					name = Request.Form["u_id"].ToString().Trim();
				}
				if (chk.isDefined("u_pas"))
				{
					pass = Request.Form["u_pas"].ToString().Trim();
				}
            

				DataSet ds = new DataSet();
				CData myData = new CData();
				sql = "select id from [user] where ";
				sql += "login_name='"+name+"' and ";
				sql += "login_pass='" + pass + "' ";

				ds = myData.GetDataSet(sql,0,0,"后台登陆");

				if (ds != null && ds.Tables["后台登陆"].Rows.Count > 0)
				{
					Session["u_id"] = ds.Tables["后台登陆"].Rows[0][0].ToString();
					Response.Redirect(gourl);

                            
				}
				else
				{
					str = " showalert('警告','你的用户名或者密码错误，请重新输入！');";
				}

                   
               
               
			}

		}

		#region Web 窗体设计器生成的代码
		override protected void OnInit(EventArgs e)
		{
			//
			// CODEGEN: 该调用是 ASP.NET Web 窗体设计器所必需的。
			//
			InitializeComponent();
			base.OnInit(e);
		}
		
		/// <summary>
		/// 设计器支持所需的方法 - 不要使用代码编辑器修改
		/// 此方法的内容。
		/// </summary>
		private void InitializeComponent()
		{    
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion
	}
}