default.aspx.cs

计算机学院网站及管理系统

using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Data.SqlClient;
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 System.Web.Security;

namespace ComputerWeb
{
	/// <summary>
	/// Summary description for AdminLogin.
	/// </summary>
	public class AdminLogin : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.TextBox Password;
		protected System.Web.UI.WebControls.Button LoginBtn;
		protected System.Web.UI.WebControls.Button CancelBtn;
		protected System.Web.UI.WebControls.RequiredFieldValidator RequiredFieldValidator1;
		protected System.Web.UI.WebControls.RequiredFieldValidator RequiredFieldValidator2;
		protected System.Web.UI.WebControls.TextBox AdminName;
		protected System.Web.UI.WebControls.RegularExpressionValidator RegularExpressionValidator1;

		private int nUserID = 0;
	
		private void Page_Load(object sender, System.EventArgs e)
		{
			// Put user code to initialize the page here
		}

		private void LoginBtn_Click(object sender, System.EventArgs e)
		{
						bool isSureTrue = false;
						UserDB user = new UserDB();
			
						SqlDataReader recu = null;
						
						if((AdminName.Text.Trim() != "")&&(Password.Text.Trim() != ""))
						{
							recu = user.GetUserLogin(AdminName.Text,UserDB.Encrypt(Password.Text));
						}
						while(recu.Read())
						{
							nUserID = Int32.Parse(recu["ID"].ToString());
							isSureTrue = (Int32.Parse(recu["IsValid"].ToString()) == 1);
							break;
						}
						recu.Close();
			if(isSureTrue == true)
			{
				//保存用户的UserID
				Session["UserID"] = nUserID;

				//创建用户cookies
				//true标志使用持久的cookie验证
				FormsAuthentication.SetAuthCookie(AdminName.Text.Trim(),false);				

				//登录成功，进入管理主页面
				Response.Redirect("~/Admin/HandBook.aspx");
			}
			else
			{
				//提示用户，登录信息错误
				Response.Write("<script>alert(\"你的用户名\\密码错误，请重新输入！\")</script>");
			}
		}

		private void CancelBtn_Click(object sender, System.EventArgs e)
		{
			this.AdminName.Text="";
			this.Password.Text="";
		}

		#region Web Form Designer generated code
		override protected void OnInit(EventArgs e)
		{
			//
			// CODEGEN: This call is required by the ASP.NET Web Form Designer.
			//
			InitializeComponent();
			base.OnInit(e);
		}
		
		/// <summary>
		/// Required method for Designer support - do not modify
		/// the contents of this method with the code editor.
		/// </summary>
		private void InitializeComponent()
		{    
			this.LoginBtn.Click += new System.EventHandler(this.LoginBtn_Click);
			this.CancelBtn.Click += new System.EventHandler(this.CancelBtn_Click);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion
	}
}