One, realize the function of adding users
Summary Five: Face Classroom Sign-in Management System (Summary Five) Solve the problem of screen freeze
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Redesign a QDialog form
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The implementation flow chart is as follows
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Core code ( adduserWindow.py )
import cv2 import base64 from adduser import Ui_Dialog from PyQt5.QtWidgets import QDialog, QMessageBox from PyQt5.QtCore import QTimer from camera import camera class adduserWindow(Ui_Dialog, QDialog): def __init__(self, list, parent=None): super(adduserWindow, self).__init__(parent) self.setupUi(self) # 创建界面内容 self.label.setScaledContents(True) # 自适应 self.camera_data = camera() self.time = QTimer() self.time.start(50) self.time.timeout.connect(self.show_camera) self.pushButton.clicked.connect(self.get_cameradata) # 添加班级到comboBox中 self.show_list(list) self.pushButton_2.clicked.connect(self.get_data_close) self.pushButton_3.clicked.connect(self.window_close) def show_camera(self): # 获取摄像头转换数据 img = self.camera_data.camera_toPic() # 显示画面 self.label.setPixmap(img) def get_cameradata(self): # 摄像头获取画面 camera_img = self.camera_data.read_camera() # 把摄像头画面转换成图片 _, enc = cv2.imencode('.jpg', camera_img) # 设置为base64编码格式 self.base64_image = base64.b64encode(enc.tobytes()) self.time.stop() self.camera_data.camera_close() def show_list(self, list): for i in list: self.comboBox.addItem(i) def get_data_close(self): self.user_id = self.lineEdit.text() self.user_name = self.lineEdit_2.text() self.group_id = self.comboBox.currentText() if self.user_name == '' or self.user_id == '': QMessageBox.warning(self, "warning", "姓名和学号不能为空！") return self.accept() def window_close(self): self.close()Technical Document: Face Registration
Two, realize the delete user function
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Redesign a QDialog form
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The implementation flow chart is as follows
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Core code ( deluserWindow.py )
from deluser import Ui_Dialog from PyQt5.QtWidgets import QDialog, QMessageBox from PyQt5.QtCore import QTimer import requests class deluserWindow(Ui_Dialog, QDialog): def __init__(self, token, group_list, parent=None): super(deluserWindow, self).__init__(parent) self.setupUi(self) # 创建界面内容 self.access_token = token self.show_groupList(group_list) self.show_userList() # 当改变班级时，user_id列表也要跟着变化 self.comboBox.currentIndexChanged.connect(self.show_userList) self.pushButton.clicked.connect(self.click_Yes) self.pushButton_2.clicked.connect(self.click_No) def click_Yes(self): group_id = self.comboBox.currentText() user_id = self.comboBox_2.currentText() if group_id == '' or user_id == '': QMessageBox.warning(self, "warning", "班级和学号不能为空！") return face_list = self.get_facelist(user_id, group_id) for list in face_list: flag = self.del_faceToken(group_id, user_id, list['face_token']) if flag == False: QMessageBox.critical(self, "DelUser", "删除用户失败！") self.close() # 返回为0 self.accept() # 返回为1 def click_No(self): self.close() # 显示group_id列表 def show_groupList(self, list): for i in list: self.comboBox.addItem(i) #显示user_id列表 def show_userList(self): self.comboBox_2.clear() group_id = self.comboBox.currentText() user_list = self.user_list(group_id) for i in user_list: self.comboBox_2.addItem(i) # 获取user_id列表 def user_list(self, group_id): request_url = "https://aip.baidubce.com/rest/2.0/face/v3/faceset/group/getusers" params = { "group_id": group_id } access_token = self.access_token request_url = request_url + "?access_token=" + access_token headers = { 'content-type': 'application/json'} response = requests.post(request_url, data=params, headers=headers) if response: message = response.json() if message['error_code'] == 0: return message['result']['user_id_list'] else: return [] # 获取人脸列表 def get_facelist(self, user_id, group_id): request_url = "https://aip.baidubce.com/rest/2.0/face/v3/faceset/face/getlist" params = { "user_id": user_id, "group_id": group_id } access_token = self.access_token request_url = request_url + "?access_token=" + access_token headers = { 'content-type': 'application/json'} response = requests.post(request_url, data=params, headers=headers) if response: message = response.json() if message['error_code'] == 0: return message['result']['face_list'] else: return [] # 删除人脸信息 def del_faceToken(self, group_id, user_id, face_token): request_url = "https://aip.baidubce.com/rest/2.0/face/v3/faceset/face/delete" params = { "user_id": user_id, "group_id": group_id, "face_token": face_token } access_token = self.access_token request_url = request_url + "?access_token=" + access_token headers = { 'content-type': 'application/json'} response = requests.post(request_url, data=params, headers=headers) if response: message = response.json() if message['error_code'] == 0: return True return FalseTechnical document: face deletion