flogon.cs

基于C/S的医疗卫生管理系统

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.IO;

using Qeb.Control;
using Qeb.Support;
using Qeb.Support.Common;
using Qeb.DBProxy;

namespace Qeb.GY
{
    public partial class FLogon : FBase
    {
        private DataTable m_dtUser = null;
        private string m_UserFile = Application.StartupPath + "\\User.bin";

        public FLogon()
        {
            InitializeComponent();
        }

        #region 记录用户名
        private void RememberUser()
        {
            int index = this.cmbUserGH.SelectedIndex;
            if (index > -1)
            {
                if (this.chbMark.Checked)
                    m_dtUser.DefaultView[index]["flag"] = "1";
                else
                {
                    m_dtUser.DefaultView.Delete(index);
                }

                m_dtUser.WriteXml(m_UserFile);
            }
        }
        #endregion

        #region 登陆
        private bool Logon()
        {
            User user = new User();
            string outMsg = "";
            try
            {
                string appId = this.cmbAppId.SelectedItem == null ? "" : this.cmbAppId.SelectedValue.ToString();
                if (appId == null || appId.Length !=4)
                {
                    MessageBox.Show("请选择要登陆的应用程序！",MsgTitle.Prompt);
                    this.cmbAppId.Focus();
                    return false;
                }                

                string gh = this.cmbUserGH.SelectedItem ==null?"":this.cmbUserGH.SelectedValue.ToString();
                if (gh == "")
                {
                    MessageBox.Show("请输入您的工号！", MsgTitle.Prompt);
                    this.cmbUserGH.Focus();
                    return false;
                }

                if (this.txtPassword.Text == "")
                {
                    MessageBox.Show("请输入密码，系统不允许空密码！", MsgTitle.Prompt);
                    this.txtPassword.Focus();
                    return false;
                }

                bool isLogon = user.Logon(gh, this.txtPassword.Text, appId, out outMsg);
                if (!isLogon)
                {
                    MessageBox.Show(outMsg,MsgTitle.Prompt);
                    return false;
                }
                else
                {
                    //设置应用名称
                    App.yyMc = this.cmbAppId.Text;
                    
                    //SetConfig 最后一次选择的应用

                    //记录用户名
                    this.RememberUser();
                    
                    return true;
                }                
            }
            catch (System.Exception ex)
            {
                MessageBox.Show("登陆发生异常，请与信息中心联系\n"+ex.Message, MsgTitle.Error);
                return false;
            }
        }
        private void btnLogon_Click(object sender, EventArgs e)
        {
            if (Logon())
            {
                this.DialogResult = DialogResult.OK;
                this.Close();
            }
        }
        #endregion

        private void btnCancel_Click(object sender, EventArgs e)
        {
            this.DialogResult = DialogResult.No;
            this.Close();
        }


        #region 绑定本机可用的应用列表
        private void BindAppList()
        {
            QDataStore dsClientApp = null;
            DbProxyClient proxy = App.DbProxy;
            try
            {
                dsClientApp = new QDataStore();
                dsClientApp.LibraryList = PBL.GyPbl;
                dsClientApp.DataWindowObject = GyDataObjects.D_Gy_GzzYyLb; 
                proxy.Clear();
                proxy.AddRetrieveParam("p_wkdz", ComputerInfo.MAC);
                proxy.Retrieve(dsClientApp);
                this.cmbAppId.Items.Clear();
                dsClientApp.SetSort("yyid");
                dsClientApp.Sort();
                
                DataTable dtAppList = dsClientApp.CovertToDataTable();
                this.cmbAppId.DataSource = dtAppList;
                this.cmbAppId.DisplayMember = "yymc";
                this.cmbAppId.ValueMember = "yyid";
            }
            catch(Exception ex)
            {
                MessageBox.Show("取本机可用的应用程序列表发生异常：" + ex.Message, MsgTitle.Error);
            }
            finally
            {
                if (dsClientApp != null)
                    dsClientApp.Dispose();               
            }
        }
        #endregion

        #region 绑定登陆过的用户名
        private void BindUserInfo()
        {
            //取用户登陆记录           
            m_dtUser = new DataTable("User");
            m_dtUser.CaseSensitive = false;
            m_dtUser.Columns.Add("Gh", typeof(string));   //用户工号
            m_dtUser.Columns.Add("YhMc", typeof(string));   //用户名称
            m_dtUser.Columns.Add("flag", typeof(string));   //记录标志

            if (File.Exists(m_UserFile))
            {
                try
                {
                    m_dtUser.ReadXml(m_UserFile);
                }
                catch
                {
                    File.Delete(m_UserFile);
                }
            }

            m_dtUser.DefaultView.Sort = "Gh";
            this.cmbUserGH.DataSource = m_dtUser.DefaultView;
            this.cmbUserGH.DisplayMember = "YhMc";
            this.cmbUserGH.ValueMember = "Gh";
            this.cmbUserGH.SelectedIndex = -1;
        }
        #endregion

        #region SetUI
        private void SetUI()
        {
            string info = "网卡地址:" + ComputerInfo.MAC + " IP:" + ComputerInfo.IP;
            lableMac.Text = info;

            //取工作站可用应用列表
            this.BindAppList();
            if (this.cmbAppId.Items.Count == 0)
                this.btnLogon.Enabled = false;
            else
                this.btnLogon.Enabled = true;

            this.BindUserInfo();
        }
        #endregion

        private void FLogon_Load(object sender, EventArgs e)
        {
            SetUI();
            Win32Api.AnimateWindow(this.Handle, 500, Win32Api.AW_BLEND);
            this.qPanel1.Refresh();
        }

        private void FLogon_FormClosed(object sender, FormClosedEventArgs e)
        {
            if (m_dtUser != null)
                m_dtUser.Dispose();

            Win32Api.AnimateWindow(this.Handle, 200, Win32Api.AW_CENTER | Win32Api.AW_HIDE);
        }

        private void lableMac_DoubleClick(object sender, EventArgs e)
        {
            Clipboard.SetText(ComputerInfo.MAC);
            MessageBox.Show("网卡地址已拷贝取剪贴板！", MsgTitle.Prompt);
        }

        private void cmbUserGh_Leave(object sender, EventArgs e)
        {
            if  (this.cmbUserGH.SelectedItem == null && this.cmbUserGH.Text != "")
            {
                try
                {
                    string userName = new User().GetUserName(this.cmbUserGH.Text);
                    if (string.IsNullOrEmpty(userName))
                    {
                        MessageBox.Show("您输入的工号不存在，请重新输入！",MsgTitle.Warning);
                        this.cmbUserGH.Text = "";
                        this.cmbUserGH.Focus();
                        return;
                    }
                    else
                    {
                        int index = m_dtUser.DefaultView.Find(this.cmbUserGH.Text);
                        if (index > -1)
                        {
                            this.cmbUserGH.SelectedIndex = index;
                        }
                        else
                        {
                            this.m_dtUser.Rows.Add(this.cmbUserGH.Text, userName);
                            this.cmbUserGH.SelectedIndex = this.cmbUserGH.Items.Count-1;
                        }
                    }

                } 
                catch(Exception ex)
                {
                    this.cmbUserGH.Text = "";
                    MessageBox.Show("设置用户名发生异常，请重试或者与信息中心联系！\n"+ex.Message,MsgTitle.Error);
                }
            }
        }

        private void cmbUserGh_KeyDown(object sender, KeyEventArgs e)
        {
            if (e.KeyCode == Keys.Enter && ((ComboBox)sender).Text.Trim() != "")
            { 
                this.txtPassword.Focus(); 
            }
        }

        private void cmbAppId_KeyDown(object sender, KeyEventArgs e)
        {
            if (e.KeyCode == Keys.Enter)
                SendKeys.Send("{Tab}");
        }

        private void txtPassword_KeyDown(object sender, KeyEventArgs e)
        {
            if (e.KeyCode == Keys.Enter)
            {
                //SendKeys.Send("{Tab}");
                if (txtPassword.Text != "")
                {
                    if (cmbUserGH.Text == "")
                        cmbUserGH.Focus();                        
                    else
                        btnLogon_Click(txtPassword, null);
                }
            }
        }

        private void cmbUserGh_SelectedIndexChanged(object sender, EventArgs e)
        {
            int index = ((ComboBox)sender).SelectedIndex;
            bool check = false;
            if (index > -1)
            {
                string flag = ((DataView)((ComboBox)sender).DataSource)[index]["flag"].ToString();
                if (flag == "1")
                {
                    check = true;
                }
            }

            this.chbMark.Checked = check;
        }        
    }     
}