login.cs

火车订票系统 火车订票系统 火车订票系统

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using Model;
using Business_Logic;

namespace Railroad_Trip
{
	/// <summary>
	/// Form1 的摘要说明。
	/// </summary>
	public class Login : System.Windows.Forms.Form
	{
		private System.Windows.Forms.TextBox txtUserName;
		private System.Windows.Forms.TextBox txtPassWord;
		private System.Windows.Forms.Label lblUpdatePass;
		private System.Windows.Forms.Label lblRegister;
		private System.Windows.Forms.ToolTip toolTip1;
		private System.Windows.Forms.Label lblLogin;
		private System.ComponentModel.IContainer components;

		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()
		{
			this.components = new System.ComponentModel.Container();
			System.Resources.ResourceManager resources = new System.Resources.ResourceManager(typeof(Login));
			this.txtUserName = new System.Windows.Forms.TextBox();
			this.txtPassWord = new System.Windows.Forms.TextBox();
			this.lblUpdatePass = new System.Windows.Forms.Label();
			this.lblRegister = new System.Windows.Forms.Label();
			this.toolTip1 = new System.Windows.Forms.ToolTip(this.components);
			this.lblLogin = new System.Windows.Forms.Label();
			this.SuspendLayout();
			// 
			// txtUserName
			// 
			this.txtUserName.BorderStyle = System.Windows.Forms.BorderStyle.None;
			this.txtUserName.Location = new System.Drawing.Point(118, 120);
			this.txtUserName.Multiline = true;
			this.txtUserName.Name = "txtUserName";
			this.txtUserName.Size = new System.Drawing.Size(134, 18);
			this.txtUserName.TabIndex = 1;
			this.txtUserName.Text = "";
			// 
			// txtPassWord
			// 
			this.txtPassWord.BorderStyle = System.Windows.Forms.BorderStyle.None;
			this.txtPassWord.Location = new System.Drawing.Point(118, 146);
			this.txtPassWord.Multiline = true;
			this.txtPassWord.Name = "txtPassWord";
			this.txtPassWord.PasswordChar = '*';
			this.txtPassWord.Size = new System.Drawing.Size(134, 18);
			this.txtPassWord.TabIndex = 3;
			this.txtPassWord.Text = "";
			this.txtPassWord.KeyPress += new System.Windows.Forms.KeyPressEventHandler(this.txtPassWord_KeyPress);
			// 
			// lblUpdatePass
			// 
			this.lblUpdatePass.BackColor = System.Drawing.Color.Transparent;
			this.lblUpdatePass.Cursor = System.Windows.Forms.Cursors.Hand;
			this.lblUpdatePass.Location = new System.Drawing.Point(84, 144);
			this.lblUpdatePass.Name = "lblUpdatePass";
			this.lblUpdatePass.Size = new System.Drawing.Size(22, 22);
			this.lblUpdatePass.TabIndex = 4;
			this.toolTip1.SetToolTip(this.lblUpdatePass, "点击修改密码");
			this.lblUpdatePass.Click += new System.EventHandler(this.lblUpdatePass_Click_1);
			// 
			// lblRegister
			// 
			this.lblRegister.BackColor = System.Drawing.Color.Transparent;
			this.lblRegister.Cursor = System.Windows.Forms.Cursors.Hand;
			this.lblRegister.Location = new System.Drawing.Point(84, 116);
			this.lblRegister.Name = "lblRegister";
			this.lblRegister.Size = new System.Drawing.Size(22, 22);
			this.lblRegister.TabIndex = 2;
			this.toolTip1.SetToolTip(this.lblRegister, "点击注册帐号");
			this.lblRegister.Click += new System.EventHandler(this.lblRegister_Click);
			// 
			// lblLogin
			// 
			this.lblLogin.BackColor = System.Drawing.Color.Transparent;
			this.lblLogin.Cursor = System.Windows.Forms.Cursors.Hand;
			this.lblLogin.Location = new System.Drawing.Point(270, 118);
			this.lblLogin.Name = "lblLogin";
			this.lblLogin.Size = new System.Drawing.Size(38, 52);
			this.lblLogin.TabIndex = 6;
			this.toolTip1.SetToolTip(this.lblLogin, "登 录");
			this.lblLogin.Click += new System.EventHandler(this.lblLogin_Click);
			// 
			// Login
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
			this.BackgroundImage = ((System.Drawing.Image)(resources.GetObject("$this.BackgroundImage")));
			this.ClientSize = new System.Drawing.Size(380, 261);
			this.Controls.Add(this.lblLogin);
			this.Controls.Add(this.lblRegister);
			this.Controls.Add(this.lblUpdatePass);
			this.Controls.Add(this.txtPassWord);
			this.Controls.Add(this.txtUserName);
			this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedDialog;
			this.Icon = ((System.Drawing.Icon)(resources.GetObject("$this.Icon")));
			this.MaximizeBox = false;
			this.Name = "Login";
			this.Text = "铁路旅行时刻表查询系统";
			this.Closing += new System.ComponentModel.CancelEventHandler(this.Login_Closing);
			this.ResumeLayout(false);

		}
		#endregion

		/// <summary>
		/// 应用程序的主入口点。
		/// </summary>
		[STAThread]
		static void Main() 
		{
			Application.Run(new Login());
		}

		public string userName,passWord;

		private void lblRegister_Click(object sender, System.EventArgs e)
		{
			//显示注册帐号的界面
			RegisterAccount register=new RegisterAccount();
			register.Show();
		}

		private void lblUpdatePass_Click_1(object sender, System.EventArgs e)
		{
			//显示修改密码的界面
			ModifyPassword modeifypa=new ModifyPassword();
			modeifypa.Show();
		}

		private void lblLogin_Click(object sender, System.EventArgs e)
		{
			//登录界面的登录事件
			userName=txtUserName.Text;
			passWord=txtPassWord.Text;
			if(txtUserName.Text=="")
			{
				MessageBox.Show("用户名不能为空！","提示");
				return;
			}
			else
			{
				if(txtPassWord.Text=="")
				{
					MessageBox.Show("密码不能为空！","提示");
					return;
				}
				else
				{}
			}
			LoginEntity data=new LoginEntity();
			data._UserName=userName;
			data._PassWord=passWord;

			Handle panduan=new Handle();
			if(panduan.ILogin(data))
			{
				
				MainView main=new MainView();
				this.Visible=false;
				main.Show();
			}
			else
			{
				MessageBox.Show("用户名或密码错误！","提示");
			}
		
		}

		private void Login_Closing(object sender, System.ComponentModel.CancelEventArgs e)
		{
			Application.Exit();
		}

		private void txtPassWord_KeyPress(object sender, System.Windows.Forms.KeyPressEventArgs e)
		{
			if(e.KeyChar==13)
			{
				//登录界面的登录事件
				userName=txtUserName.Text;
				passWord=txtPassWord.Text;
				if(txtUserName.Text=="")
				{
					MessageBox.Show("用户名不能为空！","提示");
					return;
				}
				else
				{
					if(txtPassWord.Text=="")
					{
						MessageBox.Show("密码不能为空！","提示");
						return;
					}
					else
					{}
				}
				LoginEntity data=new LoginEntity();
				data._UserName=userName;
				data._PassWord=passWord;

				Handle panduan=new Handle();
				if(panduan.ILogin(data))
				{
				
					MainView main=new MainView();
					this.Visible=false;
					main.Show();
				}
				else
				{
					MessageBox.Show("用户名或密码错误！","提示");
				}
			}
		}
	}
}