ct_pc/SetTools/Views/FormDevice.cs

using INIFILE;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.IO.Ports;
using System.Linq;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.IO;
using System.Data.OleDb;
using System.Data.SqlClient;
using System.Net;
using System.Windows.Forms.DataVisualization.Charting;
using SetTools.Views;

namespace SetTools
{
    public partial class FormDevice : Form
    {
        public String ConSql = @"Provider=Microsoft.Jet.OleDb.4.0; Data Source = " + System.IO.Directory.GetCurrentDirectory() + "\\rqdata.mdb";
        public string UA = "";
        public string UB = "";
        public string UL = "";

        SerialPort sp1 = new SerialPort();//sp1.ReceivedBytesThreshold = 1;//只要有1个字符送达端口时便触发DataReceived事件 
        
        public FormDevice()
        {
            InitializeComponent();
        }
        /// <summary>
        /// 程序启动时
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void FormDevice_Load(object sender, EventArgs e)
        {
            INIFILE.Profile.LoadProfile();//加载所有

        }

        /// <summary>
        /// 时间控件
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void TmSend_Tick(object sender, EventArgs e)
        {

        }
        /// <summary>

        /// <summary>
        /// 延时不卡界面
        /// </summary>
        /// <param name="milliSecond"></param>
        public void Delay(int milliSecond)
        {
            int start = Environment.TickCount;
            while (Math.Abs(Environment.TickCount - start) < milliSecond)
            {
                Application.DoEvents();
            }
        }
        /// <summary>
        /// 打开串口
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void BtnOpen_Click(object sender, EventArgs e)
        {
            this.Close();
        }
        /// <summary>
        /// 开始停止
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void BtnSend_Click(object sender, EventArgs e)
        {
            if(textBox1.Text != "" && textBox2.Text != "")
            {
                OleDbConnection conn;
                conn = new OleDbConnection(ConSql);
                try
                {
                    string UC = "";
                    string UD = "";
                    string UE = "";

                    int j = 0;
                    conn.Open();//打开数据
                    //建立SQL语句
                    string sqlstr = "";
                    sqlstr = @"select * from [YunXin_Admin] where AdminName = '" + textBox1.Text + "' and  Password = '" + textBox2.Text + "'";
                    OleDbCommand cmd = conn.CreateCommand();
                    cmd.CommandText = sqlstr;

                    //建立读取G
                    OleDbDataReader odrReader;
                    odrReader = cmd.ExecuteReader();
                    while (odrReader.Read())
                    {
                        //比较用户名和密码
                        DateTime dt1 = Convert.ToDateTime(odrReader[10].ToString());
                        DateTime dt2 = DateTime.Now;
                        if ( (odrReader[1].ToString() == textBox1.Text) && (odrReader[2].ToString() == textBox2.Text) && (DateTime.Compare(dt1, dt2) > 0))
                        {
                            UL = odrReader[0].ToString();//人员编号
                            UA = odrReader[1].ToString();//登录用户名
                            UB = odrReader[3].ToString();//人名

                            string sHostName = Dns.GetHostName();
                            IPHostEntry ipE = Dns.GetHostEntry(sHostName);
                            IPAddress[] IpA = ipE.AddressList;
                          
                            UC += "|";
                            UC += IpA[1];
                            UD = "登录";

                            j = 1;
                        }
                        else
                        {
                            MessageBox.Show("用户名或密码有误！或账号已过期！");
                        }
                    }

                    //关闭连接 C#操作Access之读取mdb
                    odrReader.Close();
                    conn.Close();//关闭数据库

                    if(j == 1)
                    {
                        this.Hide();
                        
                        UE = Convert.ToString( DateTime.Now.ToString("G") );
                        conn.Open();
                        cmd = conn.CreateCommand();
                        cmd.CommandText = @"INSERT INTO YunXin_AdminLog([AdminName], [UserName], [LoginIP], [LoginSoft],[LoginTime])VALUES('" +  UA + "', '";
                        cmd.CommandText += UB + "', '" + UC + "', '" + UD + "', '";
                        cmd.CommandText += UE + "')";
                        cmd.ExecuteNonQuery(); 
                        conn.Close();

                        FormMain fm = new FormMain();
                        fm.Ua = UA;
                        fm.Ub = UB;
                        fm.Uc = UL;
                        fm.ConSql = ConSql;

                        fm.Show();
                    }

                }
                catch (SqlException ex)
                {
                    Console.WriteLine(ex.Message);
                }
                finally
                {
                    conn.Close();
                }
            }
            else
            {
                MessageBox.Show("用户名或密码 不能为空！");
            }

        }

        private void FormDevice_FormClosing(object sender, FormClosingEventArgs e)
        {
            try
            {             
                sp1.Close();
            }
            catch
            {
                sp1.Close();
            }
        }

        private void button2_Click(object sender, EventArgs e)
        {
            Register Re = new Register();
            Re.Show();
        }
    }
}