loginui.cs

一个基本的酒店管理系统

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using ShowInfoLibrary;
using ConnectDBLibrary;
namespace UI
{
	/// <summary>
	/// LoginUI 的摘要说明。
	/// </summary>
	public class LoginUI : System.Windows.Forms.Form
	{

		private System.Windows.Forms.TextBox textName;
		private System.Windows.Forms.TextBox textPass;
		private System.Windows.Forms.Button btnLogin;
		private System.Windows.Forms.Button btnExit;
		private System.Windows.Forms.Label label2;
		private System.Windows.Forms.Label label3;
		/// <summary>
		/// 必需的设计器变量。
		/// </summary>
		private System.ComponentModel.Container components = null;

		public LoginUI()
		{
			//
			// 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(LoginUI));
			this.textName = new System.Windows.Forms.TextBox();
			this.textPass = new System.Windows.Forms.TextBox();
			this.btnLogin = new System.Windows.Forms.Button();
			this.btnExit = new System.Windows.Forms.Button();
			this.label2 = new System.Windows.Forms.Label();
			this.label3 = new System.Windows.Forms.Label();
			this.SuspendLayout();
			// 
			// textName
			// 
			this.textName.BackColor = System.Drawing.Color.White;
			this.textName.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle;
			this.textName.Font = new System.Drawing.Font("宋体", 10F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((System.Byte)(134)));
			this.textName.Location = new System.Drawing.Point(108, 20);
			this.textName.Name = "textName";
			this.textName.Size = new System.Drawing.Size(104, 23);
			this.textName.TabIndex = 0;
			this.textName.Text = "aaaaaa";
			// 
			// textPass
			// 
			this.textPass.BackColor = System.Drawing.Color.White;
			this.textPass.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle;
			this.textPass.Font = new System.Drawing.Font("宋体", 10F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((System.Byte)(134)));
			this.textPass.Location = new System.Drawing.Point(108, 56);
			this.textPass.Name = "textPass";
			this.textPass.PasswordChar = '*';
			this.textPass.Size = new System.Drawing.Size(104, 23);
			this.textPass.TabIndex = 1;
			this.textPass.Text = "aaaaaa";
			// 
			// btnLogin
			// 
			this.btnLogin.BackgroundImage = ((System.Drawing.Image)(resources.GetObject("btnLogin.BackgroundImage")));
			this.btnLogin.FlatStyle = System.Windows.Forms.FlatStyle.Popup;
			this.btnLogin.Font = new System.Drawing.Font("宋体", 12F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((System.Byte)(134)));
			this.btnLogin.Location = new System.Drawing.Point(20, 96);
			this.btnLogin.Name = "btnLogin";
			this.btnLogin.Size = new System.Drawing.Size(75, 28);
			this.btnLogin.TabIndex = 3;
			this.btnLogin.Text = "登陆";
			this.btnLogin.Click += new System.EventHandler(this.btnLogin_Click);
			// 
			// btnExit
			// 
			this.btnExit.BackgroundImage = ((System.Drawing.Image)(resources.GetObject("btnExit.BackgroundImage")));
			this.btnExit.FlatStyle = System.Windows.Forms.FlatStyle.Popup;
			this.btnExit.Font = new System.Drawing.Font("宋体", 12F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((System.Byte)(134)));
			this.btnExit.Location = new System.Drawing.Point(156, 96);
			this.btnExit.Name = "btnExit";
			this.btnExit.Size = new System.Drawing.Size(75, 28);
			this.btnExit.TabIndex = 4;
			this.btnExit.Text = "退出";
			this.btnExit.Click += new System.EventHandler(this.btnExit_Click);
			// 
			// label2
			// 
			this.label2.AutoSize = true;
			this.label2.Font = new System.Drawing.Font("宋体", 12F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((System.Byte)(134)));
			this.label2.Location = new System.Drawing.Point(32, 20);
			this.label2.Name = "label2";
			this.label2.Size = new System.Drawing.Size(88, 22);
			this.label2.TabIndex = 6;
			this.label2.Text = "登陆名称：";
			// 
			// label3
			// 
			this.label3.AutoSize = true;
			this.label3.Font = new System.Drawing.Font("宋体", 12F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((System.Byte)(134)));
			this.label3.Location = new System.Drawing.Point(32, 60);
			this.label3.Name = "label3";
			this.label3.Size = new System.Drawing.Size(88, 22);
			this.label3.TabIndex = 6;
			this.label3.Text = "用户密码：";
			// 
			// LoginUI
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
			this.BackColor = System.Drawing.SystemColors.Control;
			this.ClientSize = new System.Drawing.Size(258, 135);
			this.Controls.Add(this.textName);
			this.Controls.Add(this.label2);
			this.Controls.Add(this.btnExit);
			this.Controls.Add(this.btnLogin);
			this.Controls.Add(this.textPass);
			this.Controls.Add(this.label3);
			this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedSingle;
			this.Name = "LoginUI";
			this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
			this.Text = "酒店管理登陆";
			this.ResumeLayout(false);

		}
		#endregion


		/// <summary>
		/// login
		/// </summary>
		/// <param name="sender"></param>
		/// <param name="e"></param>
		private void btnLogin_Click(object sender, System.EventArgs e)
		{
			try
			{
				string name=this.textName.Text;
				string pass=this.textPass.Text;
				AdminLogin login=new AdminLogin();
				if(!login.CheckedLogin(name,pass))
				{
					return;
				}
				if(login.ShowSelect(name,pass))
				{
					IndexUI index=new IndexUI(name);
					index.WindowState = FormWindowState.Maximized;
					index.Show();
					this.Visible=false;
				}
				else
				{
					MessageBox.Show(null,"登陆名或密码错误！","提示",MessageBoxButtons.OK,MessageBoxIcon.Warning);
				}
			}
			catch(Exception ex)
			{
				MessageBox.Show(ex.ToString());
			}
	
		}

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


	
	}
}