百度人脸识别之人脸识别FaceIdentify(签到考勤)

using System.Collections.Generic;
using UnityEngine;
using Baidu.Aip.Face;
using Newtonsoft.Json.Linq;
using UnityEngine.UI;
using System.IO;

//识别,(用于签到考勤)
public class FaceIdentify : MonoBehaviour {

    private Face client;//百度API接口
    private JObject result;//识别数据的返回结果
    private byte[] image;//图片字节数
    private Dictionary<string, object> options = new Dictionary<string, object>();//多参数
    private double scores;//返回的分数,用来断定识别是否达标
    private string group_id;//用户所在的用户组,或者说部门
    private int error_code;//返回得错误代码
    private string error_msg;//返回得错误提示信息
    public Text DebugText;
    public Text DebugText1;
    public Text DebugText2;
    private string result_group_id;//result返回的用户组数据
    private string result_uid;//result返回的用户id数据
    private string result_user_info;//result 返回的用户信息数据
    public bool isSuccess = false;

    private void Awake()
    {
        client = new Face(AccessToken.client_id, AccessToken.client_secret);
        AccessToken.ClientCallback();//获取证书
    }

    private void Start()
    {
        DebugText.text = "";
        DebugText1.text = "";
        DebugText2.text = "";
    }
    public void faceIdentify()
    {
        Invoke("Identify", 5.0f);
    }

    void Identify()
    {
        group_id = "U3D1";
        string path = Application.dataPath + "/ScreenShot/" + WebCamera.ScreenShotTexture2D + ".jpg";
        image = File.ReadAllBytes(path);
        options = new Dictionary<string, object>()
        {
            {"ext_fileds","faceliveness" },
            {"user_top_num",1 }//最大返回5个识别数
        };
        try//避免出现网络异常致使错误
        {
            result = client.Identify(group_id, image, options);
            Debug.Log(result);
           
            error_code = int.Parse(result["error_code"].ToString());//先把json数据转成字符串,再转成int类型
            error_msg = result["error_msg"].ToString();//把返回的json错误信息转成字符串
            switch (error_code)
            {
                case 216100:
                    DebugText.text = "invalid param	参数异常,请从新填写注册信息";
                    break;
                case 216611:
                    DebugText.text = "user not exist	用户id不存在，请确认该用户是否注册或注册已经生效(须要已经注册超过5s）";
                    break;
                case 216401:
                    DebugText.text = "internal error	内部错误";
                    break;
                case 216402:
                    DebugText.text = "face not found 未找到人脸，请检查图片是否含有人脸";
                    break;
                case 216500:
                    DebugText.text = "unknown error	未知错误";
                    break;
                case 216615:
                    DebugText.text = "fail to process images	服务处理该图片失败，发生后重试便可";
                    break;
                case 216618:
                    DebugText.text = "no user in group	组内用户为空，确认该group是否存在或已经生效(须要已经注册超过5s)";
                    break;
                default:
                    DebugText.text = error_msg;
                    break;
            }
            if (error_code != 216100 || error_code != 216101|| error_code != 216401
               || error_code != 216402 || error_code != 216500 || error_code != 216615 || error_code != 216618)
            {
                DebugText1.text = result.ToString();//显示返回的数据信息
              

            }
        }
        catch
        {
            if (error_code != 216100 || error_code != 216101 || error_code != 216401
                 || error_code != 216402 || error_code != 216500 || error_code != 216615 || error_code != 216618)
            {
                JToken res = result["result"];
                scores = double.Parse(res[0]["scores"][0].ToString());
                if (scores > 80.0f)
                {
                    result_uid = res[0]["uid"].ToString();
                    result_group_id = res[0]["group_id"].ToString();
                    result_user_info = res[0]["user_info"].ToString();

                    DebugText1.text = "识别成功,今日已签到!";
                    DebugText2.text = result_uid+"\n"+ result_group_id+"\n" + result_user_info;
                    Debug.Log(result_uid.ToString() + result_group_id.ToString() + result_user_info.ToString());
                }
                else
                {
                    DebugText1.text = "失败,请从新识别!";
                }
            }
        }
    }
}