login.cs

酒店管理系统是个不错的 系统 自己做的毕业设计 里面功能齐全

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;

using HotelsManage.BusinessLevel;
namespace HotelsManage.UILevel
{
	/// <summary>
	/// Login 的摘要说明。
	/// </summary>
	public class Login : System.Windows.Forms.Form
	{
		private System.Windows.Forms.PictureBox pictureBox1;
		private System.Windows.Forms.Label label1;
		private System.Windows.Forms.TextBox txtName;
		private System.Windows.Forms.Label label2;
		private System.Windows.Forms.TextBox txtPwd;
		private System.Windows.Forms.Button btnLogin;
		private System.Windows.Forms.Button btnCancel;
		/// <summary>
		/// 必需的设计器变量。
		/// </summary>
		/// 
           public bool Sort=false;


		private System.ComponentModel.Container components = null;

		public Login()
		{
			//
			// Windows 窗体设计器支持所必需的
			//
			InitializeComponent();

			//
			// TODO: 在 InitializeComponent 调用后添加任何构造函数代码
			//
		}

		/// <summary>
		/// 清理所有正在使用的资源。
		/// </summary>
		protected override void Dispose( bool disposing )
		{
			if( disposing )
			{
				if(components != null)
				{
					components.Dispose();
				}
			}
			base.Dispose( disposing );
		}

		#region Windows 窗体设计器生成的代码
		/// <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()
		{
			System.Resources.ResourceManager resources = new System.Resources.ResourceManager(typeof(Login));
			this.pictureBox1 = new System.Windows.Forms.PictureBox();
			this.label1 = new System.Windows.Forms.Label();
			this.txtName = new System.Windows.Forms.TextBox();
			this.label2 = new System.Windows.Forms.Label();
			this.txtPwd = new System.Windows.Forms.TextBox();
			this.btnLogin = new System.Windows.Forms.Button();
			this.btnCancel = new System.Windows.Forms.Button();
			this.SuspendLayout();
			// 
			// pictureBox1
			// 
			this.pictureBox1.Image = ((System.Drawing.Image)(resources.GetObject("pictureBox1.Image")));
			this.pictureBox1.Location = new System.Drawing.Point(0, 8);
			this.pictureBox1.Name = "pictureBox1";
			this.pictureBox1.Size = new System.Drawing.Size(432, 72);
			this.pictureBox1.TabIndex = 0;
			this.pictureBox1.TabStop = false;
			// 
			// label1
			// 
			this.label1.Image = ((System.Drawing.Image)(resources.GetObject("label1.Image")));
			this.label1.ImageAlign = System.Drawing.ContentAlignment.MiddleLeft;
			this.label1.Location = new System.Drawing.Point(96, 96);
			this.label1.Name = "label1";
			this.label1.Size = new System.Drawing.Size(56, 23);
			this.label1.TabIndex = 1;
			this.label1.Text = "用户：";
			this.label1.TextAlign = System.Drawing.ContentAlignment.MiddleRight;
			// 
			// txtName
			// 
			this.txtName.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle;
			this.txtName.Location = new System.Drawing.Point(160, 96);
			this.txtName.Name = "txtName";
			this.txtName.Size = new System.Drawing.Size(160, 21);
			this.txtName.TabIndex = 2;
			this.txtName.Text = "";
			// 
			// label2
			// 
			this.label2.Image = ((System.Drawing.Image)(resources.GetObject("label2.Image")));
			this.label2.ImageAlign = System.Drawing.ContentAlignment.MiddleLeft;
			this.label2.Location = new System.Drawing.Point(96, 144);
			this.label2.Name = "label2";
			this.label2.Size = new System.Drawing.Size(56, 23);
			this.label2.TabIndex = 3;
			this.label2.Text = "密码：";
			this.label2.TextAlign = System.Drawing.ContentAlignment.MiddleRight;
			// 
			// txtPwd
			// 
			this.txtPwd.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle;
			this.txtPwd.Location = new System.Drawing.Point(160, 144);
			this.txtPwd.Name = "txtPwd";
			this.txtPwd.PasswordChar = '*';
			this.txtPwd.Size = new System.Drawing.Size(160, 21);
			this.txtPwd.TabIndex = 4;
			this.txtPwd.Text = "";
			// 
			// btnLogin
			// 
			this.btnLogin.FlatStyle = System.Windows.Forms.FlatStyle.Flat;
			this.btnLogin.Image = ((System.Drawing.Image)(resources.GetObject("btnLogin.Image")));
			this.btnLogin.ImageAlign = System.Drawing.ContentAlignment.MiddleLeft;
			this.btnLogin.Location = new System.Drawing.Point(128, 208);
			this.btnLogin.Name = "btnLogin";
			this.btnLogin.Size = new System.Drawing.Size(48, 24);
			this.btnLogin.TabIndex = 5;
			this.btnLogin.Text = "登陆";
			this.btnLogin.TextAlign = System.Drawing.ContentAlignment.MiddleRight;
			this.btnLogin.Click += new System.EventHandler(this.btnLogin_Click);
			// 
			// btnCancel
			// 
			this.btnCancel.DialogResult = System.Windows.Forms.DialogResult.Cancel;
			this.btnCancel.FlatStyle = System.Windows.Forms.FlatStyle.Flat;
			this.btnCancel.Image = ((System.Drawing.Image)(resources.GetObject("btnCancel.Image")));
			this.btnCancel.ImageAlign = System.Drawing.ContentAlignment.MiddleLeft;
			this.btnCancel.Location = new System.Drawing.Point(232, 208);
			this.btnCancel.Name = "btnCancel";
			this.btnCancel.Size = new System.Drawing.Size(56, 24);
			this.btnCancel.TabIndex = 6;
			this.btnCancel.Text = "取消";
			this.btnCancel.TextAlign = System.Drawing.ContentAlignment.MiddleRight;
			this.btnCancel.Click += new System.EventHandler(this.btnCancel_Click);
			// 
			// Login
			// 
			this.AcceptButton = this.btnLogin;
			this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
			this.CancelButton = this.btnCancel;
			this.ClientSize = new System.Drawing.Size(424, 286);
			this.Controls.Add(this.btnCancel);
			this.Controls.Add(this.btnLogin);
			this.Controls.Add(this.txtPwd);
			this.Controls.Add(this.label2);
			this.Controls.Add(this.txtName);
			this.Controls.Add(this.label1);
			this.Controls.Add(this.pictureBox1);
			this.Name = "Login";
			this.Text = "用户登陆";
			this.Load += new System.EventHandler(this.Login_Load);
			this.Closed += new System.EventHandler(this.Login_Closed);
			this.ResumeLayout(false);

		}
		#endregion

//		[STAThread]//程序入口
//		static void Main() 
//		{
//			
//			Application.Run(new Login());
//		}

		private void Login_Load(object sender, System.EventArgs e)
		{
		
		}

		private void btnLogin_Click(object sender, System.EventArgs e)
		{
			if(this.txtName.Text!="" && this.txtPwd.Text!="")
			{
				if(User.CheckLogin(this.txtName.Text,this.txtPwd.Text)=="system")
				{
					this.Hide();
					this.Sort=true;
					
				}
			else if(User.CheckLogin(this.txtName.Text,this.txtPwd.Text)=="user")
				{
					this.Hide();
					this.Sort=false;
				}
				else
				{
					MessageBox.Show("用户名或密码错误！");
				}
			}
			else
			{
			 MessageBox.Show("不能为空！");
			}
		}

		private void btnCancel_Click(object sender, System.EventArgs e)
		{
			this.txtName.Text="";
	          this.txtPwd.Text="";
		}

		private void Login_Closed(object sender, System.EventArgs e)
		{
			Application.Exit();
		}

		
	}
}