loginapp.cs

食堂就餐提醒系统(含源码) 为一个单位开发的

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

using System.IO;
using System.Text;
using System.Xml;

using System.Data;

using System.Net;

using Microsoft.Win32;
using System.Diagnostics;

namespace XFMAS
{
	/// <summary>
	/// LoginApp 的摘要说明。
	/// </summary>
	public class LoginApp : System.Windows.Forms.Form
	{
		private System.Windows.Forms.Button button1;
		private System.Windows.Forms.Label label1;
		private System.Windows.Forms.Label label2;
		private System.Windows.Forms.TextBox pwd;
		private System.Windows.Forms.Button b222;
		private System.Windows.Forms.GroupBox groupBox1;
		private System.Windows.Forms.CheckBox autoLogin;
		private System.Windows.Forms.Button button2;
		private System.Timers.Timer timer1;
		private System.Windows.Forms.TextBox IP;
		private System.Windows.Forms.ComboBox user;
		private System.Windows.Forms.Label label3;
		private System.Windows.Forms.NotifyIcon notifyIcon1;
		private System.Windows.Forms.ContextMenu contextMenu1;
		private System.Windows.Forms.MenuItem menuItem1;
		private System.ComponentModel.IContainer components;

		//是否关机或注销
		private bool isExitApp = false;

		/// <summary>
		/// 主窗口
		/// </summary>
		private Form1 mainForm = null;
		private System.Timers.Timer timer2;

		
		/// <summary>
		/// 托盘图标文件
		/// </summary>
		private string iconFile = Application.StartupPath + "\\";

		private bool isLoadConfig = false;

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

			//系统中只能存在一个进程
			//this.CheckProcess();

			//配置文件路径
			Public.configFile = Application.StartupPath + "\\" + Public.configFile;

			//读取本地配置文件
			this.timer1.Start();
			this.timer2.Start();

			//IP地址
			//得到主机信息  
			IPHostEntry ipInfo = Dns.GetHostByName(Dns.GetHostName());  

			//取得IPAddress[]  
			IPAddress[] ipAddr = ipInfo.AddressList;

			this.IP.Text = ipAddr[0].ToString();

			//Public.loginWin = this;

			//this.Visible = false;

			//Loading load = new Loading();
			//load.Show();

			//this.CheckProcess();
		}

		/// <summary>
		/// 检查进程是否重复，重复则关闭当前进程
		/// </summary>
		private void CheckProcess(){

			bool flag=false;

			System.Threading.Mutex mutex=new System.Threading.Mutex(true,"XFMAS",out flag);

			if ( !flag ) {
				Application.Exit();
				return;
			}
		}

		/// <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 );
		}

		/// <summary>
		/// 获取系统关机或注销事件
		/// </summary>
		/// <param name="m"></param>
		protected override void WndProc(ref System.Windows.Forms.Message m) {
			switch (m.Msg) {
				case 0x0011://系统询问是否可以关闭
					this.isExitApp = true;
					break;
				case 0x0016://系统指示：关掉
					this.notifyIcon1.Visible = false;
					this.notifyIcon1.Dispose();
					Application.Exit();
					break;
				default:
					break;
			}
			base.WndProc(ref m);
		}

		#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(LoginApp));
			this.button1 = new System.Windows.Forms.Button();
			this.autoLogin = new System.Windows.Forms.CheckBox();
			this.label1 = new System.Windows.Forms.Label();
			this.label2 = new System.Windows.Forms.Label();
			this.IP = new System.Windows.Forms.TextBox();
			this.pwd = new System.Windows.Forms.TextBox();
			this.b222 = new System.Windows.Forms.Button();
			this.groupBox1 = new System.Windows.Forms.GroupBox();
			this.label3 = new System.Windows.Forms.Label();
			this.user = new System.Windows.Forms.ComboBox();
			this.button2 = new System.Windows.Forms.Button();
			this.timer1 = new System.Timers.Timer();
			this.notifyIcon1 = new System.Windows.Forms.NotifyIcon(this.components);
			this.contextMenu1 = new System.Windows.Forms.ContextMenu();
			this.menuItem1 = new System.Windows.Forms.MenuItem();
			this.timer2 = new System.Timers.Timer();
			this.groupBox1.SuspendLayout();
			((System.ComponentModel.ISupportInitialize)(this.timer1)).BeginInit();
			((System.ComponentModel.ISupportInitialize)(this.timer2)).BeginInit();
			this.SuspendLayout();
			// 
			// button1
			// 
			this.button1.Enabled = false;
			this.button1.Location = new System.Drawing.Point(8, 112);
			this.button1.Name = "button1";
			this.button1.Size = new System.Drawing.Size(160, 23);
			this.button1.TabIndex = 6;
			this.button1.Text = "注册本机IP地址到服务器";
			this.button1.Click += new System.EventHandler(this.button1_Click);
			// 
			// autoLogin
			// 
			this.autoLogin.Checked = true;
			this.autoLogin.CheckState = System.Windows.Forms.CheckState.Checked;
			this.autoLogin.Enabled = false;
			this.autoLogin.Location = new System.Drawing.Point(8, 144);
			this.autoLogin.Name = "autoLogin";
			this.autoLogin.Size = new System.Drawing.Size(112, 24);
			this.autoLogin.TabIndex = 5;
			this.autoLogin.Text = "下次自动登录";
			// 
			// label1
			// 
			this.label1.Location = new System.Drawing.Point(16, 48);
			this.label1.Name = "label1";
			this.label1.Size = new System.Drawing.Size(80, 16);
			this.label1.TabIndex = 2;
			this.label1.Text = "内网用户名";
			// 
			// label2
			// 
			this.label2.Location = new System.Drawing.Point(16, 72);
			this.label2.Name = "label2";
			this.label2.Size = new System.Drawing.Size(80, 16);
			this.label2.TabIndex = 3;
			this.label2.Text = "内网登录密码";
			// 
			// IP
			// 
			this.IP.Location = new System.Drawing.Point(104, 16);
			this.IP.Name = "IP";
			this.IP.Size = new System.Drawing.Size(152, 21);
			this.IP.TabIndex = 1;
			this.IP.Text = "";
			this.IP.Leave += new System.EventHandler(this.IP_Leave);
			// 
			// pwd
			// 
			this.pwd.Enabled = false;
			this.pwd.Location = new System.Drawing.Point(104, 64);
			this.pwd.Name = "pwd";
			this.pwd.PasswordChar = '*';
			this.pwd.Size = new System.Drawing.Size(152, 21);
			this.pwd.TabIndex = 3;
			this.pwd.Text = "";
			// 
			// b222
			// 
			this.b222.Enabled = false;
			this.b222.Location = new System.Drawing.Point(168, 112);
			this.b222.Name = "b222";
			this.b222.Size = new System.Drawing.Size(112, 23);
			this.b222.TabIndex = 4;
			this.b222.Text = "登录使用提醒服务";
			this.b222.Click += new System.EventHandler(this.b222_Click);
			// 
			// groupBox1
			// 
			this.groupBox1.Controls.Add(this.label3);
			this.groupBox1.Controls.Add(this.user);
			this.groupBox1.Controls.Add(this.label1);
			this.groupBox1.Controls.Add(this.pwd);
			this.groupBox1.Controls.Add(this.IP);
			this.groupBox1.Controls.Add(this.label2);
			this.groupBox1.Location = new System.Drawing.Point(8, 0);
			this.groupBox1.Name = "groupBox1";
			this.groupBox1.Size = new System.Drawing.Size(272, 100);
			this.groupBox1.TabIndex = 7;
			this.groupBox1.TabStop = false;
			// 
			// label3
			// 
			this.label3.Location = new System.Drawing.Point(16, 24);
			this.label3.Name = "label3";
			this.label3.Size = new System.Drawing.Size(80, 16);
			this.label3.TabIndex = 7;
			this.label3.Text = "IP";
			// 
			// user
			// 
			this.user.Enabled = false;
			this.user.Location = new System.Drawing.Point(104, 40);
			this.user.Name = "user";
			this.user.Size = new System.Drawing.Size(152, 20);
			this.user.TabIndex = 2;
			// 
			// button2
			// 
			this.button2.Enabled = false;
			this.button2.FlatStyle = System.Windows.Forms.FlatStyle.Popup;
			this.button2.Location = new System.Drawing.Point(168, 144);
			this.button2.Name = "button2";
			this.button2.Size = new System.Drawing.Size(112, 23);
			this.button2.TabIndex = 7;
			this.button2.Text = "服务器设置";
			this.button2.Click += new System.EventHandler(this.button2_Click);
			// 
			// timer1
			// 
			this.timer1.Enabled = true;
			this.timer1.Interval = 1000;
			this.timer1.SynchronizingObject = this;
			this.timer1.Elapsed += new System.Timers.ElapsedEventHandler(this.timer1_Elapsed);
			// 
			// notifyIcon1
			// 
			this.notifyIcon1.ContextMenu = this.contextMenu1;
			this.notifyIcon1.Icon = ((System.Drawing.Icon)(resources.GetObject("notifyIcon1.Icon")));
			this.notifyIcon1.Text = "登录";
			this.notifyIcon1.Visible = true;
			this.notifyIcon1.MouseDown += new System.Windows.Forms.MouseEventHandler(this.notifyIcon1_MouseDown);
			// 
			// contextMenu1
			// 
			this.contextMenu1.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
																						 this.menuItem1});
			// 
			// menuItem1
			// 
			this.menuItem1.Index = 0;
			this.menuItem1.Text = "关于(&A)";
			this.menuItem1.Click += new System.EventHandler(this.menuItem1_Click);
			// 
			// timer2
			// 
			this.timer2.Interval = 500;
			this.timer2.SynchronizingObject = this;
			this.timer2.Elapsed += new System.Timers.ElapsedEventHandler(this.timer2_Elapsed);
			// 
			// LoginApp
			// 
			this.AcceptButton = this.b222;
			this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
			this.ClientSize = new System.Drawing.Size(290, 175);
			this.Controls.Add(this.button2);
			this.Controls.Add(this.groupBox1);
			this.Controls.Add(this.b222);
			this.Controls.Add(this.autoLogin);
			this.Controls.Add(this.button1);
			this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedDialog;
			this.Icon = ((System.Drawing.Icon)(resources.GetObject("$this.Icon")));
			this.KeyPreview = true;
			this.MaximizeBox = false;
			this.MinimizeBox = false;
			this.Name = "LoginApp";
			this.ShowInTaskbar = false;
			this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
			this.Text = "登录";
			this.Closing += new System.ComponentModel.CancelEventHandler(this.LoginApp_Closing);
			this.groupBox1.ResumeLayout(false);
			((System.ComponentModel.ISupportInitialize)(this.timer1)).EndInit();
			((System.ComponentModel.ISupportInitialize)(this.timer2)).EndInit();
			this.ResumeLayout(false);

		}
		#endregion

		/// <summary>
		/// 设置参数
		/// </summary>
		/// <param name="sender"></param>
		/// <param name="e"></param>
		private void linkLabel1_LinkClicked(object sender, System.Windows.Forms.LinkLabelLinkClickedEventArgs e) {
			SetWin sw = new SetWin();
			sw.ShowDialog();
		}

		/// <summary>
		/// 使用本机IP地址登录
		/// </summary>
		/// <param name="sender"></param>
		/// <param name="e"></param>
		private void button1_Click(object sender, System.EventArgs e) {
			RegisterIP rip = new RegisterIP();
			rip.ShowDialog();
			this.LoadUserName();
		}

		/// <summary>
		/// 使用用户名登录
		/// </summary>
		/// <param name="sender"></param>
		/// <param name="e"></param>
		private void b222_Click(object sender, System.EventArgs e) {

			if(this.user.Text.Trim() == ""){
				MessageBox.Show("用户名不能为空！");
				return;
			}

			bool loginResult = DBConn.UserIsRight(this.user.Text.Trim(),Public.AddSec(this.pwd.Text));

			if(loginResult){

				//取值
				Public.currentUserID   = this.user.Text.Trim();