c#指纹识别(指纹考勤源码)

需要安装中控指纹仪驱动 后 方可运行，基于sql server的数据库

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.IO;using System.Data.SqlClient;using System.Runtime.InteropServices;namespace 使用指纹识别器进行员工考勤{ public partial class Form2 : Form { public Form2() { InitializeComponent(); } [DllImport("kernel32")] public static extern int Beep(int dwFreg,int dwDuration); SqlConnection conn; SqlCommand cmd; private void Form2_Load(object sender, EventArgs e) { axZKFPEngX1.InitEngine();//连接指纹仪 cbbDep.SelectedIndex = 0;//获取当前选定项的索引 cbbJob.SelectedIndex = 0; cbbSex.SelectedIndex = 0; conn = new SqlConnection("server=.;database=db_finger;uid=sa;pwd=");//设置连接的数据库 } private void button2_Click(object sender, EventArgs e) { this.Close(); } private void button1_Click(object sender, EventArgs e) { if (txtName.Text == "")//如果没有输入员工姓名 { MessageBox.Show("请输入员工姓名","警告",MessageBoxButtons.OK,MessageBoxIcon.Error); } else { string uname = txtName.Text.Trim();//记录员工姓名 string usex = cbbSex.Text.Trim();//记录员工性别 string udep = cbbDep.Text.Trim();//记录员工部门 string ujob = cbbJob.Text.Trim();//记录员工职务 string uinfo = txtInfo.Text.Trim();//记录员工备份 conn.Open();//连接数据库 string finger = axZKFPEngX1.GetTemplateAsString();//获取当前指纹图片的字符串 cmd = new SqlCommand("select count(*) from tb_finger where Ufinger='" uname "'", conn);//查找当前员工是否已存在 int N =Convert.ToInt32( cmd.ExecuteScalar());//获取查找的记录数 if (N > 0)//如果有记录 { //数据库中已有该员工 if (MessageBox.Show("此员工指纹已经添加过了！", "警告", MessageBoxButtons.OK, MessageBoxIcon.Error) == DialogResult.OK) { txtName.Text = "";//清空 txtName.Focus();//获取焦点 conn.Close();//关闭数据库的连接 } } else { //向数据表中插入当有员工的信息 SqlCommand cmd1 = new SqlCommand("insert into tb_finger(Uname,Usex,Udep,Ujob,Uinfo,Ufinger) values('" uname.Trim() "','" usex "','" udep "','" ujob "','" uinfo "','" finger "')", conn); int i = cmd1.ExecuteNonQuery();//获取SQL影响的行数 if (i > 0)//插入成功 { MessageBox.Show("指纹录入成功！", "提示", MessageBoxButtons.OK, MessageBoxIcon.Information); } conn.Close();//断开数据库的连接 } } } private void axZKFPEngX1_OnImageReceived(object sender, AxZKFPEngXControl.IZKFPEngXEvents_OnImageReceivedEvent e) { Graphics canvas = panel1.CreateGraphics(); axZKFPEngX1.PrintImageAt(canvas.GetHdc().ToInt32(), 0, 0, panel1.Width, panel1.Height); canvas.Dispose(); Beep(3000,100); } private void axZKFPEngX1_OnFeatureInfo(object sender, AxZKFPEngXControl.IZKFPEngXEvents_OnFeatureInfoEvent e) { String sTemp = ""; int j = 0; if (axZKFPEngX1.IsRegister) { j = axZKFPEngX1.EnrollIndex - 1; sTemp = "Register status: still press finger " j.ToString() " times!"; } sTemp = sTemp "指纹质量"; if (e.aQuality != 0) sTemp = sTemp "不好"; else sTemp = sTemp "好"; if (sTemp.Trim() == "指纹质量好") { button1.Enabled = true; } else { button1.Enabled = false; } } private void Form2_FormClosed(object sender, FormClosedEventArgs e) { axZKFPEngX1.EndEngine(); } private void axZKFPEngX1_OnCapture(object sender, AxZKFPEngXControl.IZKFPEngXEvents_OnCaptureEvent e) { bool temp = false; string tp = ""; 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=");//设置数据库的连接 conn.Open();//连接数据库 SqlCommand cmd = new SqlCommand("select * from tb_finger", conn);//查找表中的所有信息 SqlDataReader sdr = cmd.ExecuteReader();//执行SQL语句 while (sdr.Read())//读取表中的数据 { string Ofinger = sdr["Ufinger"].ToString();//获取数据表中已存在的指纺图片的字符串 if (axZKFPEngX1.VerFingerFromStr(ref Ofinger, Ntemp, false, ref temp))//如果两个图片相同 { button1.Enabled = false;//禁止信息的插入 MessageBox.Show("该指纹已经录入","警告",MessageBoxButtons.OK,MessageBoxIcon.Error); } else { button1.Enabled = true; } } } }}