人脸登陆facelogin

人脸登陆：

using AForge.Video.DirectShow;using face;using Newtonsoft.Json;using Newtonsoft.Json.Linq;using System;using System.Collections.Generic;using System.ComponentModel;using System.Data;using System.Data.SqlClient;using System.Drawing;using System.Drawing.Imaging;using System.IO;using System.Linq;using System.Text;using System.Threading.Tasks;using System.Windows.Forms;namespace Camtest{    public partial class facelogin : Form    {        //Api_Key        public static string Api_Key = "OVYw5Ok0y9U8n6CfVPYt0wfZ";        //Secret_Key        public static string Secret_Key = "aCN3lupCarq3rC9G8Rylqz1d36Towp8G";        public facelogin()        {            InitializeComponent();            //启动默认在屏幕中间            this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;        }        FilterInfoCollection videoDevices;        VideoCaptureDevice videoSource;        public int selectedDeviceIndex = 0;        public int selectedPICIndex = 0;        //窗体加载        private void facelogin_Load(object sender, EventArgs e)        {            // 刷新可用相机的列表            videoDevices = new FilterInfoCollection(FilterCategory.VideoInputDevice);            comboBoxCameras.Items.Clear();            for (int i = 0; i < videoDevices.Count; i++)            {                comboBoxCameras.Items.Add(videoDevices[i].Name.ToString());            }            if (comboBoxCameras.Items.Count > 0)                comboBoxCameras.SelectedIndex = 0;            picsize.SelectedIndex = 0;            //打开摄像头            openCamera();        }        //打开摄像头        public void openCamera()        {            selectedPICIndex = picsize.SelectedIndex;            selectedDeviceIndex = comboBoxCameras.SelectedIndex;            //连接摄像头。            videoSource = new VideoCaptureDevice(videoDevices[selectedDeviceIndex].MonikerString);            videoSource.VideoResolution = videoSource.VideoCapabilities[selectedDeviceIndex];            // 枚举所有摄像头支持的像素，设置拍照为1920*1080            foreach (VideoCapabilities capab in videoSource.VideoCapabilities)            {                if (selectedPICIndex == 0)                {                    if (capab.FrameSize.Width == 1920 && capab.FrameSize.Height == 1080)                    {                        videoSource.VideoResolution = capab;                        break;                    }                    if (capab.FrameSize.Width == 1280 && capab.FrameSize.Height == 720)                    {                        videoSource.VideoResolution = capab;                        break;                    }                }                else                {                    if (capab.FrameSize.Width == 1280 && capab.FrameSize.Height == 720)                    {                        videoSource.VideoResolution = capab;                        break;                    }                }            }            videoSourcePlayer1.VideoSource = videoSource;            // set NewFrame event handler            videoSourcePlayer1.Start();        }        /// <summary>        /// 点击确定的按钮        /// </summary>        /// <param name="sender"></param>        /// <param name="e"></param>        private void button2_Click(object sender, EventArgs e)        {            //先获取用户名            //然后在提取图片            //先查询用户名，看看有没有该用户名            //有该用户名的话继续判断人脸对应不，没有的话提示没有该用户            string name = this.textBox1.Text;            Users user = QueryUsersByName(name);            if (((string)(user.name))!="")            {                //有该用户，判断摄入的人脸和人脸库中的对比                FaceVerify(SavePicture(),user);            }            else {                 //说明没有该用户，提示用户重新输入用户名                MessageBox.Show("对不起，检测到没有该用户，请重新输入", "操作提示", MessageBoxButtons.OK, MessageBoxIcon.Stop);            }        }        /// <summary>        /// 人脸认证【登陆】        /// </summary>        public  void FaceVerify(string filename,Users users)        {            var client = new Baidu.Aip.Face.Face(Api_Key ,Secret_Key);            var image1 = File.ReadAllBytes(filename);            var result = client.User.Verify(image1,(users.id).ToString(), new[] { "gr_test" }, 1);            //先判断脸是不是在上面，在继续看有匹配的没，否则提示放上脸            //得到根节点            JObject jo_result = (JObject)JsonConvert.DeserializeObject(result.ToString());            if ((string)jo_result["error_msg"] != null)            {                MessageBox.Show("对不起，请把脸放上！", "提示", MessageBoxButtons.OK, MessageBoxIcon.Stop);            }            else            {                //检测到脸                //得到result节点                JArray jo_age = (JArray)JsonConvert.DeserializeObject(jo_result["result"].ToString());                string resu = jo_age.ToString();                int num1 = resu.IndexOf("\n") + 2;                int num2 = resu.LastIndexOf("]") - 8;                string ids = resu.Substring(num1, num2);                if (ids != null || !ids.Equals(""))                {                    double scores_num = double.Parse(ids);                    if (scores_num > 80)                    {                        MessageBox.Show("登陆成功，已检测到您的信息", "操作提示", MessageBoxButtons.OK, MessageBoxIcon.Information);                    }                    else                    {                        MessageBox.Show("对不起，脸与账户不对应，请换张脸试试", "操作提示", MessageBoxButtons.OK, MessageBoxIcon.Stop);                    }                }            }        }        /// <summary>        /// 根据编号查询用户信息        /// </summary>        /// <param name="id"></param>        /// <returns></returns>        public static Users QueryUsersByName(string name)        {            Users user = new Users();            string sql = "select * from users where name = @name";            using (SqlDataReader reader = SqlHelper.ExcuteReader(sql, CommandType.Text, new SqlParameter("@name", name)))            {                if (reader.Read())                {                    user.id = long.Parse(reader[0].ToString());                    user.name = reader[1].ToString();                    user.age = Convert.ToInt32(reader[2]);                    user.phone = reader[3].ToString();                    user.password = reader[4].ToString();                    user.address = reader[5].ToString();                    user.picture = reader[6].ToString();                }            }            return user;        }        /// <summary>        /// 保存图片        /// </summary>        public string SavePicture()        {            if (videoSource == null)            {                return null;            }            Bitmap bitmap = videoSourcePlayer1.GetCurrentVideoFrame();            //图片名称，年月日时分秒毫秒.jpg            string fileName = DateTime.Now.ToString("yyyyMMddHHmmssff") + ".jpg";            //获取项目的根目录            string path = AppDomain.CurrentDomain.BaseDirectory;            string picture = path + "\\picture\\" + fileName;            //将图片保存在服务器里面            bitmap.Save(picture, ImageFormat.Jpeg);            bitmap.Dispose();            return picture;        }        /// <summary>        /// 取消的按钮        /// </summary>        /// <param name="sender"></param>        /// <param name="e"></param>        private void close_Click(object sender, EventArgs e)        {            //停止摄像头            videoSourcePlayer1.Stop();            this.Close();            welcome we = new welcome();            we.Show();        }    }}