如何在小程序中实现人脸识别功能

cd /usr/share/nginx/html
sudo nano signature.php

<?php
$appid = "YOUR APPID_ID";
$bucket = "tencentyun";
$secret_id = "YOUR SECRET_ID";
$secret_key = "YOUR SECRET_KEY";
$expired = time() + 2592000;
$onceExpired = 0;
$current = time();
$rdm = rand();
$userid = "0";
$fileid = "tencentyunSignTest";
$srcStr = 'a='.$appid.'&b='.$bucket.'&k='.$secret_id.'&e='.$expired.'&t='.$current.'&r='.$rdm.'&f=';
$srcWithFile = 'a='.$appid.'&b='.$bucket.'&k='.$secret_id.'&e='.$expired.'&t='.$current.'&r='.$rdm.'&f='.$fileid;
$srcStrOnce= 'a='.$appid.'&b='.$bucket.'&k='.$secret_id.'&e='.$onceExpired .'&t='.$current.'&r='.$rdm
.'&f='.$fileid;
$signStr = base64_encode(hash_hmac('SHA1', $srcStr, $secret_key, true).$srcStr);
$srcWithFile = base64_encode(hash_hmac('SHA1', $srcWithFile , $secret_key, true).$srcWithFile );
$signStrOnce = base64_encode(hash_hmac('SHA1',$srcStrOnce,$secret_key, true).$srcStrOnce);
echo $signStr."\n"; 
echo $srcWithFile ."\n";
echo $signStrOnce."\n";
?>

<?php
move_uploaded_file($_FILES["file"]["tmp_name"], "upload/" . $_FILES["file"]["name"]);
$curl = curl_init();
$appid = "YOUR APPID_ID";
$domain_url = "YOUR DOMAIN";
$signature = "YOUR SIGNATURE";
$face_url = "------WebKitFormBoundary\r\nContent-Disposition: form-data; name=\"appid\"\r\n\r\n" . $appid . "\r\n------WebKitFormBoundary\r\nContent-Disposition: form-data; name=\"url\"\r\n\r\nhttps://". $domain_url ."/upload/" . $_FILES["file"]["name"] . "\r\n------WebKitFormBoundary--";
curl_setopt_array($curl, array(
  CURLOPT_URL => "https://recognition.image.myqcloud.com/face/detect",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_POSTFIELDS => $face_url,
  CURLOPT_HTTPHEADER => array(
    "authorization:" . $signature ."",
    "cache-control: no-cache",
    "content-type: multipart/form-data; boundary=----WebKitFormBoundary",
    "host: recognition.image.myqcloud.com"
  ),
));
$response = curl_exec($curl);
curl_close($curl);
echo $response;
?>

Page({
  wx_face(){
    wx.chooseImage({
      success(res) {
        const tempFilePaths = res.tempFilePaths
        wx.uploadFile({
          url: 'https://weixin.techeek.cn/', //替换为你自己的接口地址
          header:{
            'Content-Type': 'application/json'
          },
          filePath: tempFilePaths[0],
          name: 'file',
          success(res) {
            console.log(res.data)
          }
        })
      }
    })
  },
})

<button type="primary" bindtap="wx_face">上传</button>

{
    "code":0,
    "message":"OK",
    "data":{
        "session_id":"",
        "image_height":500,
        "image_width":500,
        "face":[
            {
                "face_id":"2843632291225292737",
                "x":149,
                "y":118,
                "height":202,
                "width":202,
                "pitch":14,
                "roll":0,
                "yaw":0,
                "age":22,
                "gender":0,
                "glass":false,
                "expression":35,
                "glasses":0,
                "mask":0,
                "hat":0,
                "beauty":81,
                "face_shape":{
                    "face_profile":Array[21],
                    "left_eye":Array[8],
                    "right_eye":Array[8],
                    "left_eyebrow":Array[8],
                    "right_eyebrow":Array[8],
                    "mouth":Array[22],
                    "nose":Array[13]
                }
            }
        ]
    }
}

<button type="primary" bindtap="wx_face">上传</button>
<text>上传状态：{{message}}</text>
<text>年龄：{{age}}</text>
<text>是否带眼镜：{{glasses}}</text>
<text>是否带帽子：{{glasses}}</text>
<text>脸部是否被遮挡：{{glasses}}</text>
<text>颜值：{{beauty}}</text>

Page({
  wx_face(){
    var myThis = this;
    wx.chooseImage({
      success(res) {
        const tempFilePaths = res.tempFilePaths
        wx.uploadFile({
          url: 'https://weixin.techeek.cn/', //替换为你自己的接口地址
          header:{
            'Content-Type': 'application/json'
          },
          filePath: tempFilePaths[0],
          name: 'file',
          success(res) {
            var obj = JSON.parse(res.data)
            myThis.setData({
              message: obj.message,
              age: obj.data.face[0].age,
              glasses: obj.data.face[0].glasses,
              beauty: obj.data.face[0].beauty,
              mask: obj.data.face[0].mask,
              hat: obj.data.face[0].hat
            })
          }
        })
      }
    })
  },
})