Django呼叫百度AI介面實現人臉註冊登入程式碼例項
阿新 • • 發佈：2020-04-24
面部識別----考勤打卡、註冊登入、面部支付等等...感覺很高大上，又很方便，下面用python中的框架--django完成一個註冊登入的功能，呼叫百度AI的介面，面部識別在網上也有好多教程，可以自己建模，訓練模型，但是這都需要大量的資料去提高模型的準確度，我們直接用了百度AI的介面，十分的快捷、高效、準確，下來碼一下程式碼啦！！
首先需要在百度AI官網註冊一個應用，免費，並提供強大的人臉庫。
1.登錄檔單
<div class="tab-content">
<div class="tab-content-inner active" data-content="signup">
<!-- <form action="{% url 'regist' %}" method="POST"> -->
<div class="row form-group">
<div class="col-md-12">
<input type="text" class="form-control" id="username" placeholder="使用者名稱">
</div>
</div>
<div class="row form-group">
<div class="col-md-12">
<input type="text" class="form-control" id="mobile" placeholder="手機號">
</div>
</div>
<div class="row form-group">
<div class="col-md-12">
<input type="password" class="form-control" id="password" placeholder="密碼">
</div>
</div>
<div class="row form-group">
<div class="col-md-12">
<!-- <input type="text" class="form-control" id="mobile_code" placeholder="驗證碼">
<input type="button" value=" 獲取驗證碼" id="zphone"> -->
</div>
</div>
<div class="row form-group">
<div class="col-md-12">
<label for="password2"><font color='green'>新使用者點選註冊會有面部特徵收集哦！</font></label>
</div>
</div>
<div class="row form-group">
<div class="col-md-12">
<input type="submit" class="btn btn-primary" value="註冊" id="regist">
</div>
</div>
<!-- </form> -->
</div>2.註冊時呼叫攝像頭，ajax封裝給後端的資料
<!-- jQuery -->
<script src="../static/assets/js/jquery.min.js"></script>
<!-- jQuery Easing -->
<script src="../static/assets/js/jquery.easing.1.3.js"></script>
<!-- Bootstrap -->
<script src="../static/assets/js/bootstrap.min.js"></script>
<!-- Waypoints -->
<script src="../static/assets/js/jquery.waypoints.min.js"></script>
<!-- Carousel -->
<script src="../static/assets/js/owl.carousel.min.js"></script>
<!-- countTo -->
<script src="../static/assets/js/jquery.countTo.js"></script>
<!-- Magnific Popup -->
<script src="../static/assets/js/jquery.magnific-popup.min.js"></script>
<script src="../static/assets/js/magnific-popup-options.js"></script>
<!-- Main -->
<script src="../static/assets/js/main.js"></script>
<script>
!(function () {
// 老的瀏覽器可能根本沒有實現 mediaDevices，所以我們可以先設定一個空的物件
if (navigator.mediaDevices === undefined) {
navigator.mediaDevices = {};
}
if (navigator.mediaDevices.getUserMedia === undefined) {
navigator.mediaDevices.getUserMedia = function (constraints) {
// 首先，如果有getUserMedia的話，就獲得它
var getUserMedia = navigator.webkitGetUserMedia || navigator.mozGetUserMedia || navigator.msGetUserMedia;
// 一些瀏覽器根本沒實現它 - 那麼就返回一個error到promise的reject來保持一個統一的介面
if (!getUserMedia) {
return Promise.reject(new Error('getUserMedia is not implemented in this browser'));
}
// 否則，為老的navigator.getUserMedia方法包裹一個Promise
return new Promise(function (resolve,reject) {
getUserMedia.call(navigator,constraints,resolve,reject);
});
}
}
const constraints = {
video: true,audio: false
};
videoPlaying = false;
v = document.getElementById('v');
promise = navigator.mediaDevices.getUserMedia(constraints);
promise.then(stream => {
// 舊的瀏覽器可能沒有srcObject
if ("srcObject" in v) {
v.srcObject = stream;
} else {
// 防止再新的瀏覽器裡使用它，應為它已經不再支援了
v.src = window.URL.createObjectURL(stream);
}
v.onloadedmetadata = function (e) {
v.play();
videoPlaying = true;
};
}).catch(err => {
console.error(err.name + ": " + err.message);
})
document.getElementById('regist').addEventListener('click',function () {
if (videoPlaying) {
mycanvas = document.getElementById('canvas');
mycanvas.width = v.videoWidth;
mycanvas.height = v.videoHeight;
mycanvas.getContext('2d').drawImage(v,0);
// 圖片資料轉換成陣列
data = mycanvas.toDataURL('image/webp');
document.getElementById('photo').setAttribute('src',data);
// ajax提交資料到後臺
$.ajax({
type:"POST",url:'http://127.0.0.1:8000/regist/',data:{username:$("#username").val(),mobile:$('#mobile').val(),password:$('#password').val(),mobile_code:$('#mobile_code').val(),imagecontent:data},dataType:"json",success:function(data){
alert(data.result)
$('#resText').text(data['result']);
if(data.code == 200){
window.location.href='http://127.0.0.1:8000/home/'
}else{
alert(data.result);
}
}
})
}
},false);3.將已經註冊的應用中的各種id和key貼上來
# 匯入百度AI from django.apps import AppConfig from aip import AipFace import json # django內建事務 from django.db import transaction # 匯入狀態碼 from jyapp.ErrorCode import * # 官網給出的狀態碼，通過pandas讀出儲存到 # 百度AI基本資訊 class AppConfig(AppConfig): name = '' APP_ID = '' API_KEY = '' SECRECT_KEY = '' client = AipFace(APP_ID,API_KEY,SECRECT_KEY) client.setConnectionTimeoutInMillis(1000*5) client.setSocketTimeoutInMillis(1000*5)
4.註冊介面，按照介面文件傳入必須的引數，手機驗證碼功能已在本文中註釋掉，需要時自行百度。
# 註冊
class Regist(View):
def get(self,request):
return render(request,'moban_index.html')
def post(self,request):
# 獲取前端資料
imagecontent = request.POST.get('imagecontent')
username = request.POST.get('username')
mobile = request.POST.get('mobile')
password = request.POST.get('password')
# mobile_code = request.POST.get('mobile_code')
# print(imagecontent,username,mobile,password,mobile_code)
# mobile_code_right = request.session.get('message_code')
if not all([imagecontent,password]):
return JsonResponse({'result':'註冊資訊不能為空'})
# if mobile_code != mobile_code_right:
# return JsonResponse({'result':'請輸入正確的驗證碼'})
else:
# 驗證該使用者是否存在
user = models.User.objects.filter(mobile=mobile)
if user:
return JsonResponse({'result':'該使用者已存在，請直接登入'})
else:
try:
# 引入事務
with transaction.atomic():
# 分割字串
base_data = imagecontent.split(',')[1]
# base64解碼
base64_decode = base64.b64decode(base_data)
# 圖片寫入本地
with open('static/image/'+mobile+'.jpeg','wb') as f:
f.write(base64_decode)
# 新增到mysql資料庫
models.User.objects.create(
imagecontent = 'static/image/'+mobile+'.jpeg',# 可以根據需求是否儲存註冊照片到資料庫，也可以通過百度AI人臉庫檢視
username = username,mobile = mobile,password = password,)
imageType = 'BASE64'
groupId = 'usergroup' # 自定義
userId = mobile
# 加入可選引數
options = {}
options['user_info'] = username
options['quality_control'] = 'NORMAL'
options['liveness_control'] = 'LOW'
result = AppConfig.client.addUser(base_data,imageType,groupId,userId,options)
print(result)
error_code = result['error_code']
if isinstance(error_code,int) and error_code == 0:
request.session['mobile'] = mobile
return JsonResponse({'code':200,'result':'註冊成功'})
# return JsonResponse({'result':'註冊成功'})
else:
error = ErrorCode().getErrorInfo(error_code)
return JsonResponse({'result':'{}'.format(error)})
except:
return JsonResponse({'result':'註冊失敗'})
5.登入.html
<div class="tab-content-inner" data-content="login">
<!-- <form action="{% url 'login' %}" method="POST"> -->
<div class="row form-group">
<div class="col-md-12">
<input type="text" class="form-control" id="mobile1" placeholder="請輸入手機號">
</div>
</div>
<div class="row form-group">
<div class="col-md-12">
<input type="password" class="form-control" id="password1" placeholder="請輸入密碼">
</div>
</div>
<div class="row form-group">
<div class="col-md-12">
<input type="submit" class="btn btn-primary" value="密碼登陸" id="login">
<input type="submit" class="btn btn-primary" value="人臉登陸" id="login_face">
</div>
</div>
<!-- </form> -->
</div>
6.ajax封裝登入資訊
document.getElementById('login_face').addEventListener('click',0);
data = mycanvas.toDataURL('image/webp');
document.getElementById('photo').setAttribute('src',data);
$.ajax({
type:"POST",url:'http://127.0.0.1:8000/login_face/',data:{mobile:$('#mobile1').val(),success:function(data){
$('#resText').text(data['result']);
document.getElementById('photo').setAttribute('src','static/'+data['point72src']);
console.log(data['point72src'])
if(data.code == 200){
alert(data.result)
window.location.href='http://127.0.0.1:8000/idcard/'
}else{
alert(data.result);
}
}
})
}
},false);
7.人臉快速登入
class Login_face(View):
def get(self,request):
imagecontent = request.POST.get('imagecontent')
mobile = request.POST.get('mobile')
if not all([imagecontent,mobile]):
return JsonResponse({'code':100,'result':'登入資訊不能為空'})
else:
user = models.User.objects.filter(mobile=mobile)
if not user:
return JsonResponse({'code':113,'result':'使用者不存在'})
else:
base_data = imagecontent.split(',')[1]
imageType = 'BASE64'
groupIdList = 'usergroup'
# 加入可選引數
options = {}
options['max_user_num'] = 1
options['quality_control'] = 'NORMAL'
options['liveness_control'] = 'LOW'
# options['user_id'] = mobile
result = AppConfig.client.search(base_data,groupIdList,options)
print(result)
error_code = result['error_code']
try:
user_id = result['result']['user_list'][0]['user_id']
score = result['result']['user_list'][0]['score']
if isinstance(error_code,int) and error_code == 0 and user_id == mobile and score >= 90:
request.session['mobile'] = mobile
return JsonResponse({'code':200,'result':'快速登入成功'})
else:
error = ErrorCode().getErrorInfo(error_code)
return JsonResponse({'result':'{}'.format(error)})
except:
error = ErrorCode().getErrorInfo(error_code)
return JsonResponse({'result':'{}'.format(error)})
以上就是本文的全部內容，希望對大家的學習有所幫助，也希望大家多多支援我們。