C#连接指纹机 实例源码下载

【核心代码】

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Data.SqlClient;
using System.Runtime.InteropServices;
namespace 将指纹数据存入数据库中
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }
        bool isConnected=false;//判断是否已经连接
        private void button1_Click(object sender, EventArgs e)
        {
            if (axZKFPEngX1.InitEngine() == 0)//初始化指纹仪
            {
                toolStripStatusLabel1.Text= "指纹仪连接成功";//显示指纹仪连接成功
                this.Text ="注册码："  axZKFPEngX1.SensorSN;//获取指纹仪的注册码
                isConnected = true;//标识，指纹仪连接成功
            }
            else
            {
                toolStripStatusLabel1.Text = "指纹仪连接失败";//显示指纹仪连接失败
                isConnected = false;//标识，指纹仪连接失败
            }
        }
        private void timer1_Tick(object sender, EventArgs e)
        {
            label2.Text = DateTime.Now.ToString();
        }
        private void Form1_Load(object sender, EventArgs e)
        {
            label2.Text = DateTime.Now.ToString();
        }
        private void axZKFPEngX1_OnCapture(object sender, AxZKFPEngXControl.IZKFPEngXEvents_OnCaptureEvent e)
        {
            if (isConnected)
            {
                if (e.actionResult)//如果成功取到指纹模板
                {
                    string dtt = "";
                    Graphics g = panel1.CreateGraphics();//获取panel1控件的Graphics类
                    string tp = "";//记录是对比成功还是对比失败
                    string Ntemp = axZKFPEngX1.GetTemplateAsString();//获取当前指纹图片的字符串
                    SqlConnection conn = new SqlConnection("server=.;database=db_Finger;uid=sa;pwd=");//设置要连接数据库
                    conn.Open();//连接数据库
                     dtt = DateTime.Now.ToString();
                     //向数据表中插入当有员工的信息
                     SqlCommand cmd1 = new SqlCommand("insert into tb_finger(Ufinger,dt) values('"   Ntemp   "','"   dtt   "')", conn);
                     int i = cmd1.ExecuteNonQuery();//获取SQL影响的行数
                     if (i > 0)//插入成功
                     {
                         tp = "指纹录入成功！";
                     }
                    conn.Close();//断开数据库的连接
                    toolStripStatusLabel1.Text = tp;
                    richTextBox1.Clear();
                    richTextBox1.AppendText(tp);
                    richTextBox1.AppendText("指纹模板："   Ntemp);
                    richTextBox1.AppendText("考勤日期："   dtt);
                    //在panel1控件的指定位置显示是否考勤成功
                    g.DrawString(tp, new Font("黑体",20, FontStyle.Bold), new SolidBrush(Color.Red), new PointF(18, 120));
                }
            }
        }
        [DllImport("kernel32")]
        public static extern int Beep(int dwFreg, int dwDuration);
        private void axZKFPEngX1_OnImageReceived(object sender, AxZKFPEngXControl.IZKFPEngXEvents_OnImageReceivedEvent e)
        {
            Graphics canvas = panel1.CreateGraphics();//获取panel1控件的Graphics类
            axZKFPEngX1.PrintImageAt(canvas.GetHdc().ToInt32(), 0, 0, panel1.Width, panel1.Height);//在panel1控件上绘制指纹图片
            canvas.Dispose();//释放
            axZKFPEngX1.SaveBitmap("c:\\ls_lb.bmp");//存储指纹图片
            Beep(3000, 100);//发出声音
        }
    }
}