人脸注册：

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using AForge;
using AForge.Controls;
using AForge.Imaging;
using AForge.Video;
using AForge.Video.DirectShow;
using face;
using System.Data.SqlClient;
using System.Drawing.Imaging;
using System.IO;
using Newtonsoft.Json.Linq;
using Newtonsoft.Json;namespace Camtest
{public partial class faceregiste : Form{//Api_Keypublic static string Api_Key = "OVYw5Ok0y9U8n6CfVPYt0wfZ";//Secret_Keypublic static string Secret_Key = "aCN3lupCarq3rC9G8Rylqz1d36Towp8G";public faceregiste(){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;//加载项目private void faceregiste_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*1080foreach (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 handlervideoSourcePlayer1.Start();}//注册的按钮private void register_Click(object sender, EventArgs e){Users user = new Users();user.name = this.name.Text;user.id = DateTime.Now.Ticks / 10000;user.password = this.password.Text;user.phone = this.phone.Text;user.age =(int)this.age.Value;user.address = this.address.Text;user.picture = SavePicture() ;//注册人脸通过的话进去if (FaceRegister(user)){int rel = AddUsers(user);//添加信息if (rel > 0){MessageBox.Show("注册成功", "提示信息");}else{MessageBox.Show("添加失败", "提示信息");}}}/// <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.jpgstring 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;}//取消的按钮private void close_Click(object sender, EventArgs e){//停止摄像头videoSourcePlayer1.Stop();this.Close();welcome we = new welcome();we.Show();}/// <summary>/// 用户注册/// </summary>/// <param name="users"></param>/// <returns></returns>public int AddUsers(Users users){int rel = 0;string sql = "insert INTO Users VALUES(@id,@name,@age,@phone,@password,@address,@picture)";SqlParameter[] param = {new SqlParameter("@id",users.id),new SqlParameter("@name",users.name),new SqlParameter("@age",users.age),new SqlParameter("@phone",users.phone),new SqlParameter("@password",users.password),new SqlParameter("@address",users.address),new SqlParameter("@picture",users.picture)};rel = SqlHelper.ExecuteNonQuery(sql, CommandType.Text, param);return rel;}//关闭窗体private void faceregiste_FormClosing(object sender, FormClosingEventArgs e){DialogResult r = MessageBox.Show("确定要退出程序?", "操作提示", MessageBoxButtons.OKCancel, MessageBoxIcon.Question);if (r != DialogResult.OK){e.Cancel = true;}videoSourcePlayer1.Stop();//停止摄像头videoSourcePlayer1.Dispose();}/// <summary>/// 人脸注册/// </summary>/// <param name="picture"></param>public static bool FaceRegister(Users user){var client = new Baidu.Aip.Face.Face(Api_Key, Secret_Key);//当前毫秒数可能是负数，取绝对值var image1 = File.ReadAllBytes(user.picture);var result = client.User.Register(image1, user.id.ToString(), user.name, new[] { "gr_test" });//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);return false;}return true;}}
}