frmLogin

using System;
using System.Drawing;
using System.Collections;
using System.Configuration;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using System.Data.SqlClient;

using HR.BLL;
using HR.SystemFramework.Common;
using HR.Model.Common;

namespace HR.Win
{
 /// <summary>
 /// frmLogin 的摘要描述。
 /// </summary>
 public class frmLogin : System.Windows.Forms.Form
 {
  private ArrayList arCompany;
  private int isFalse=0;//錯誤次數

  private System.Windows.Forms.Label labUserID;
  private System.Windows.Forms.Label userPassword;
  private System.Windows.Forms.Label Company;
  private System.Windows.Forms.PictureBox pictureBox1;
  private System.Windows.Forms.TextBox txtUserID;
  private System.Windows.Forms.TextBox txtPassword;
  private System.Windows.Forms.ComboBox cboCompany;
  private System.Windows.Forms.Button btnOK;
  private System.Windows.Forms.Button btnCancel;
  private System.ComponentModel.IContainer components = null;

  public frmLogin()
  {
   //
   // Windows Form 設計工具支援的必要項
   //
   InitializeComponent();

   //
   // TODO: 在 InitializeComponent 呼叫之後加入任何建構函式程式碼
   //
  }

  /// <summary>
  /// 清除任何使用中的資源。
  /// </summary>
  protected override void Dispose( bool disposing )
  {
   if( disposing )
   {
    if(components != null)
    {
     components.Dispose();
    }
   }
   base.Dispose( disposing );
  }

  #region Windows Form 設計工具產生的程式碼
  /// <summary>
  /// 此為設計工具支援所必須的方法 - 請勿使用程式碼編輯器修改
  /// 這個方法的內容。
  /// </summary>
  private void InitializeComponent()
  {
   this.labUserID = new System.Windows.Forms.Label();
   this.userPassword = new System.Windows.Forms.Label();
   this.Company = new System.Windows.Forms.Label();
   this.pictureBox1 = new System.Windows.Forms.PictureBox();
   this.txtUserID = new System.Windows.Forms.TextBox();
   this.txtPassword = new System.Windows.Forms.TextBox();
   this.cboCompany = new System.Windows.Forms.ComboBox();
   this.btnOK = new System.Windows.Forms.Button();
   this.btnCancel = new System.Windows.Forms.Button();
   this.SuspendLayout();
   //
   // labUserID
   //
   this.labUserID.Location = new System.Drawing.Point(128, 32);
   this.labUserID.Name = "labUserID";
   this.labUserID.Size = new System.Drawing.Size(48, 23);
   this.labUserID.TabIndex = 0;
   this.labUserID.Text = "帳號";
   //
   // userPassword
   //
   this.userPassword.Location = new System.Drawing.Point(128, 64);
   this.userPassword.Name = "userPassword";
   this.userPassword.Size = new System.Drawing.Size(40, 23);
   this.userPassword.TabIndex = 1;
   this.userPassword.Text = "密碼";
   //
   // Company
   //
   this.Company.Location = new System.Drawing.Point(128, 96);
   this.Company.Name = "Company";
   this.Company.Size = new System.Drawing.Size(48, 23);
   this.Company.TabIndex = 2;
   this.Company.Text = "公司";
   //
   // pictureBox1
   //
   this.pictureBox1.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle;
   this.pictureBox1.Location = new System.Drawing.Point(16, 32);
   this.pictureBox1.Name = "pictureBox1";
   this.pictureBox1.Size = new System.Drawing.Size(100, 88);
   this.pictureBox1.TabIndex = 3;
   this.pictureBox1.TabStop = false;
   //
   // txtUserID
   //
   this.txtUserID.Location = new System.Drawing.Point(176, 32);
   this.txtUserID.MaxLength = 20;
   this.txtUserID.Name = "txtUserID";
   this.txtUserID.Size = new System.Drawing.Size(128, 27);
   this.txtUserID.TabIndex = 4;
   this.txtUserID.Text = "";
   this.txtUserID.TextChanged += new System.EventHandler(this.txtUserID_TextChanged);
   //
   // txtPassword
   //
   this.txtPassword.Location = new System.Drawing.Point(176, 64);
   this.txtPassword.MaxLength = 20;
   this.txtPassword.Name = "txtPassword";
   this.txtPassword.PasswordChar = '*';
   this.txtPassword.Size = new System.Drawing.Size(128, 27);
   this.txtPassword.TabIndex = 5;
   this.txtPassword.Text = "";
   //
   // cboCompany
   //
   this.cboCompany.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;
   this.cboCompany.Location = new System.Drawing.Point(176, 96);
   this.cboCompany.Name = "cboCompany";
   this.cboCompany.Size = new System.Drawing.Size(128, 24);
   this.cboCompany.TabIndex = 6;
   //
   // btnOK
   //
   this.btnOK.Enabled = false;
   this.btnOK.Location = new System.Drawing.Point(144, 144);
   this.btnOK.Name = "btnOK";
   this.btnOK.Size = new System.Drawing.Size(75, 32);
   this.btnOK.TabIndex = 7;
   this.btnOK.Text = "確認";
   this.btnOK.Click += new System.EventHandler(this.btnOK_Click);
   //
   // btnCancel
   //
   this.btnCancel.DialogResult = System.Windows.Forms.DialogResult.Cancel;
   this.btnCancel.Location = new System.Drawing.Point(232, 144);
   this.btnCancel.Name = "btnCancel";
   this.btnCancel.Size = new System.Drawing.Size(75, 32);
   this.btnCancel.TabIndex = 8;
   this.btnCancel.Text = "取消";
   this.btnCancel.Click += new System.EventHandler(this.btnCancel_Click);
   //
   // frmLogin
   //
   this.AcceptButton = this.btnOK;
   this.AutoScaleBaseSize = new System.Drawing.Size(7, 20);
   this.CancelButton = this.btnCancel;
   this.ClientSize = new System.Drawing.Size(328, 197);
   this.ControlBox = false;
   this.Controls.Add(this.btnCancel);
   this.Controls.Add(this.btnOK);
   this.Controls.Add(this.cboCompany);
   this.Controls.Add(this.txtPassword);
   this.Controls.Add(this.txtUserID);
   this.Controls.Add(this.pictureBox1);
   this.Controls.Add(this.Company);
   this.Controls.Add(this.userPassword);
   this.Controls.Add(this.labUserID);
   this.Font = new System.Drawing.Font("新細明體", 12F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(136)));
   this.Name = "frmLogin";
   this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
   this.Text = "帳號登錄";
   this.Load += new System.EventHandler(this.frmLogin_Load);
   this.ResumeLayout(false);

  }
  #endregion

  private void txtUserID_TextChanged(object sender, System.EventArgs e)
  {
   btnOK.Enabled = (txtUserID.Text.Trim().Length !=0);
  }

  private void btnCancel_Click(object sender, System.EventArgs e)
  {
   DialogResult = DialogResult.Cancel;
  }

  private void btnOK_Click(object sender, System.EventArgs e)
  {
      SqlParameter[] parms = new SqlParameter[]
    {
        new SqlParameter("@UserID",SqlDbType.NVarChar,20,"UserID")
    };
   string[] condtion = new string[]{txtUserID.Text.Trim().ToString()};
   int[] txtIndex = {1,2,3};
   string[] txtValue = new string[3];

   Login login = new Login();
   if(login.GetInfo("Pr_GetUser",parms,condtion,txtValue,txtIndex,ActionTable.SYS))
   {
    HR.Model.Common.LoginInfo.userLoginInfo.userID = txtUserID.Text.Trim().ToString();
    HR.Model.Common.LoginInfo.userLoginInfo.userName = txtValue[0];
    HR.Model.Common.LoginInfo.userLoginInfo.userPassword = txtValue[1];
    HR.Model.Common.LoginInfo.userLoginInfo.multiCompany = txtValue[2];

    object[] companyInfo = (object[])arCompany[cboCompany.SelectedIndex];
    HR.Model.Common.LoginInfo.userLoginInfo.companyID = companyInfo[0].ToString().Trim();
    HR.Model.Common.LoginInfo.userLoginInfo.companyName = companyInfo[1].ToString().Trim();
    HR.Model.Common.LoginInfo.userLoginInfo.companyDbName = companyInfo[2].ToString().Trim();

    if(Mima.PasswordString(txtPassword.Text.Trim().ToString()) == HR.Model.Common.LoginInfo.userLoginInfo.userPassword &&
     HR.Model.Common.LoginInfo.userLoginInfo.multiCompany.IndexOf(HR.Model.Common.LoginInfo.userLoginInfo.companyID) !=-1)
    {
     bool isFound = false;
     string strConnection = string.Empty;

     foreach(string conItem in ConfigurationSettings.AppSettings.Keys)
     {
      strConnection = ConfigurationSettings.AppSettings[conItem];
      if(strConnection.IndexOf(";database=" + HR.Model.Common.LoginInfo.userLoginInfo.companyDbName +";") !=-1)
      {
       isFound = true;
       break;
      }
     }

     if(!isFound)
     {
      if(!isExit())
      {
       MessageBox.Show(this,"資料庫連接字串錯誤!",this.Text,MessageBoxButtons.OK,MessageBoxIcon.Error);
      }
     }
     else
     {
      HR.Model.Common.LoginInfo.userLoginInfo.companyConnstring = strConnection;
      DialogResult = DialogResult.OK;
     }
    }
    else
    {
     if(!isExit())
     {
      MessageBox.Show(this,"帳號或密碼錯誤!",this.Text,MessageBoxButtons.OK,MessageBoxIcon.Error);
     }
    }
   }
   else
   {
    if(!isExit())
    {
     MessageBox.Show(this,"帳號或密碼錯誤!",this.Text,MessageBoxButtons.OK,MessageBoxIcon.Error);
    }
   }
  }

  private bool isExit()
  {
         bool isExitting = false;
   isFalse++;
   if(isFalse >3)
   {
       MessageBox.Show(this,"您輸入的錯誤次數超過三次，系統即將關閉!",this.Text,MessageBoxButtons.OK,MessageBoxIcon.Error);
    DialogResult = DialogResult.Cancel;
    isExitting = true;
   }
   return isExitting;
     }

  private void frmLogin_Load(object sender, System.EventArgs e)
  {
      Login login = new Login();
   arCompany = login.GetCompanyData();
   foreach(object[] companyInfo in arCompany)
    cboCompany.Items.Add(companyInfo[1].ToString());
   cboCompany.SelectedIndex = 0;
  }
 }
}