CNAS/CNAS_BalanceClient/frmLoginServer.cs

using CnasSynchronousCommon;
using CnasSynchronusClient;
using CnasSynchrousModel;
using log4net;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.IO;
using System.Text;
using System.Windows.Forms;
using System.Xml.Serialization;

namespace CNAS_BalanceClient
{

    public partial class frmLoginServer : Form
    {
        public static string strLoginName = "";
        public static string strLoginPwd = "";
        public static string strServerIP = "";
        public static string strServerPort = "";
        //Point mouseOff; //鼠标移动位置
        //bool leftFlag;  //标签是否为左键
        public frmLoginServer()
        {
            InitializeComponent();

            lblTitle.BackColor = Color.Transparent;
            lblUser.BackColor = Color.Transparent;
            lblPwd.BackColor = Color.Transparent;
        }

        private void Btn_Login_Click(object sender, EventArgs e)
        {
            Config();
        }
        private void Config()
        {
            //合法行判断
            if (this.txtUserName.Text.Trim() == "" || this.txtPwd.Text.Trim() == "")
            {
                MessageBox.Show("用户名，密码不能为空。", "提示");
                return;
            }

            //1.读取本地数据库配置信息
            DataBaseInfo targetdataBase = new DataBaseInfo();  //cnas目标数据库
            try
            {
                //加载CNAS数据库信息
                targetdataBase = FileOperation.GetLocalPlatFormDB();

                if (!CnasDataOperationFact.CnasDataOperation().TestConnect(targetdataBase))
                {
                    MessageBox.Show("无法连接数据，请联系管理员。", "提示");
                    return;
                }
            }
            catch (Exception ex)
            {
                AppLog.Error(ex.Message.ToString());
            }
            //2.传输输入信息到数据库中，查阅，并返回所需信息
            DataTable dtLogin = CnasDataOperationFact.CnasDataOperation().GetLoginNameByPwd(targetdataBase, this.txtUserName.Text.Trim(), this.txtPwd.Text.Trim());
            if (dtLogin != null && dtLogin.Rows.Count == 1)
            {
                GlobalCommonOperation.strLoginName = dtLogin.Rows[0]["username"].ToString();
                GlobalCommonOperation.strUserName = this.txtUserName.Text.Trim();
                AppLog.Info($"{this.txtUserName.Text.Trim()}登录成功");
                this.DialogResult = DialogResult.OK;
                this.Close();
            }
            else
            {
                MessageBox.Show("用户名，密码登录失败，请重新输入。", "提示");
                AppLog.Error($"{this.txtUserName.Text.Trim()}尝试登录失败");
                return;
            }
        }
        private void Btn_Logout_Click(object sender, EventArgs e)
        {
            this.DialogResult = DialogResult.None;
            this.Close();
        }

        [System.Runtime.InteropServices.DllImport("user32.dll")]
        public static extern bool ReleaseCapture();
        [System.Runtime.InteropServices.DllImport("user32.dll")]
        public static extern bool SendMessage(IntPtr hwnd, int wMsg, int wParam, int lParam);
        public const int WM_SYSCOMMAND = 0x0112;
        public const int SC_MOVE = 0xF010;
        public const int HTCAPTION = 0x0002;
        private void frmLoginServer_MouseDown(object sender, MouseEventArgs e)
        {
            try
            {
                ReleaseCapture();
                SendMessage(this.Handle, WM_SYSCOMMAND, SC_MOVE + HTCAPTION, 0);
            }
            catch(Exception ex)
            {
                AppLog.Error(ex.Message.ToString());
            }
        }

        private void frmLoginServer_KeyDown(object sender, KeyEventArgs e)
        {
            try
            {
               if (!Btn_Login.Focused && !Btn_Logout.Focused)
                {
                    FormKeyEventClass fke = new FormKeyEventClass();
                    fke.FormKeyEvent += new FormKeyEventClass.FormKey(Config);
                    fke.FormKeyEventRun(e);
                }
            }
            catch(Exception ex)
            {
                AppLog.Error(ex.Message.ToString());
            }
        }

        private void frmLoginServer_Shown(object sender, EventArgs e)
        {
            txtUserName.Select(txtUserName.Text.Length, 0);
        }
    }
}