import base64 import json import os import sys from typing import Container import cv2 import numpy as np import requests from PyQt5 import QtCore, QtGui, QtWidgets from PyQt5.QtCore import * from PyQt5.QtGui import * from PyQt5.QtGui import QIcon from PyQt5.QtWidgets import * from PyQt5.QtWidgets import QApplication, QMainWindow, QMessageBox, QWidget from win32 import win32api, win32gui, win32print from win32.lib import win32con from win32.win32api import GetSystemMetrics #修改数据库连接，并进行数据库迁移操作 def get_real_resolution(): """获取真实的分辨率""" hDC = win32gui.GetDC(0) # 横向分辨率 w = win32print.GetDeviceCaps(hDC, win32con.DESKTOPHORZRES) # 纵向分辨率 h = win32print.GetDeviceCaps(hDC, win32con.DESKTOPVERTRES) return w, h class Ui_MainWindow(QtWidgets.QWidget): def __init__(self): hDC = win32gui.GetDC(0) # 横向分辨率 w = win32print.GetDeviceCaps(hDC, win32con.DESKTOPHORZRES) # 纵向分辨率 h = win32print.GetDeviceCaps(hDC, win32con.DESKTOPVERTRES) self.rate = (w,h) if self.rate != 1 and self.rate != 1.25 and self.rate != 1.5 and self.rate != 1.75 : self.rate = 1 super(Ui_MainWindow, self).__init__() self.timer_camera = QtCore.QTimer() #定义定时器，用于控制显示视频的帧率 self.cap = cv2.VideoCapture() #视频流 self.CAM_NUM = 0 #为0时表示视频流来自笔记本内置摄像头 self.set_ui() #初始化程序界面 self.slot_init() #初始化槽函数 '''程序界面布局''' def set_ui(self): self.resize(1080*self.rate, 720*self.rate) self.__layout_main = QtWidgets.QHBoxLayout() #总布局 self.__layout_fun_button = QtWidgets.QVBoxLayout() #按键布局 self.__layout_data_show = QtWidgets.QVBoxLayout() #数据(视频)显示布局 # 窗口无标题栏、窗口置顶、窗口透明 self.setWindowFlags(Qt.WindowStaysOnTopHint | Qt.FramelessWindowHint) # self.setAttribute(Qt.WA_TranslucentBackground) # 窗口图标 self.icon = QIcon() self.icon.addPixmap(QPixmap("./image/icon.png"), QIcon.Normal, QIcon.On) self.setWindowIcon(self.icon) # 矩形框 self.rect_label = QLabel(self) self.rect_label.setGeometry(QRect(0*self.rate, 0*self.rate, 1080*self.rate, 720*self.rate)) self.rect_label.setStyleSheet("background-color: rgba(255, 255, 255, 0.7);" "border-width: 5px 5px 5px 5px;" "border:2px solid #5453FF;" "border-radius:0px;") # 打开相机按钮矩形框 self.rect_label = QLabel(self) self.rect_label.setGeometry(QRect(920*self.rate, 225*self.rate, 95*self.rate, 60*self.rate)) self.rect_label.setStyleSheet("background-color: rgba(255, 255, 255, 0);" "border-width: 5px 5px 5px 5px;" "border:2px solid #5453FF;" "border-radius:15px;") # 打开相机按钮 self.button_open_camera = QPushButton(self) self.button_open_camera.setGeometry(QRect(940*self.rate, 230*self.rate, 50*self.rate, 50*self.rate)) self.button_open_camera.setStyleSheet("background: rgba(255, 255, 255, 0);" "color: #4E4EF2;" "font: 15pt \"华光粗圆_CNKI\";" "font-weight:bold;") self.button_open_camera.setCursor(QCursor(Qt.PointingHandCursor)) self.button_open_camera.setText("拍摄") # 退出按钮矩形框 self.rect_label = QLabel(self) self.rect_label.setGeometry(QRect(920*self.rate, 455*self.rate, 95*self.rate, 60*self.rate)) self.rect_label.setStyleSheet("background-color: rgba(255, 255, 255, 0);" "border-width: 5px 5px 5px 5px;" "border:2px solid #5453FF;" "border-radius:15px;") # 退出按钮 self.button_close = QPushButton(self) self.button_close.setGeometry(QRect(940*self.rate, 460*self.rate, 50*self.rate, 50*self.rate)) self.button_close.setStyleSheet("background: rgba(255, 255, 255, 0);" "color: #4E4EF2;" "font: 15pt \"华光粗圆_CNKI\";" "font-weight:bold;" ) self.button_close.setCursor(QCursor(Qt.PointingHandCursor)) self.button_close.setText("退出") self.title_label = QLabel(self) self.title_label.setGeometry(QRect(180*self.rate, 25*self.rate, 420*self.rate, 50*self.rate)) self.title_label.setStyleSheet("color: #5453FF;" "background: transparent;" "font: 20pt \"华光粗圆_CNKI\";" "font-weight:bold;") self.title_label.setText("袋鼯麻麻——智能购物平台") self.setWindowTitle('袋鼯麻麻——智能购物平台') # Paddle Logo self.paddle_logo=QLabel("图片",self) self.paddle_pic=QPixmap("./image/paddlepaddle.png") self.paddle_logo.setPixmap(self.paddle_pic) self.paddle_logo.setGeometry(QRect(3*self.rate, 3*self.rate, 400*self.rate,105*self.rate)) # 袋鼯 Logo self.daiwu_logo=QLabel("图片",self) self.daiwu_pic=QPixmap("./image/icon.png") self.daiwu_logo.setPixmap(self.daiwu_pic) self.daiwu_logo.setGeometry(QRect(881*self.rate, 10*self.rate, 190*self.rate, 150*self.rate)) # 拍摄识别框 self.rect_label = QLabel(self) self.rect_label.setGeometry(QRect(60*self.rate, 110*self.rate, 820*self.rate,560*self.rate)) self.rect_label.setStyleSheet("background-color: rgba(255, 255, 255, 0);" "border-width: 5px 5px 5px 5px;" "border:1px solid #5453FF;" "border-radius:15px;" "font-weight:bold;") # add logo self.add_logo=QLabel("图片",self) self.add_pic=QPixmap("./image/add.png") self.add_logo.setPixmap(self.add_pic) self.add_logo.setGeometry(QRect(410*self.rate, 200*self.rate, 120*self.rate,120*self.rate)) self.text_label = QLabel(self) self.text_label.setGeometry(QRect(200*self.rate, 350*self.rate, 540*self.rate, 300*self.rate)) self.text_label.setStyleSheet("background-color: rgba(255, 255, 255, 0);" "border-width: 5px 5px 5px 5px;" "border:2px dotted #5453FF;" "border-radius:15px;") self.text = QLabel(self) self.text.setGeometry(QRect(340*self.rate, 350*self.rate, 420*self.rate, 50*self.rate)) self.text.setStyleSheet("color: #5453FF;" "background: transparent;" "font: 10pt \"华光粗圆_CNKI\";" ) self.text.setText("袋鼯麻麻——智能购物平台使用指南") self.note = QLabel(self) self.note.setGeometry(QRect(290*self.rate, 420*self.rate, 420*self.rate, 200*self.rate)) self.note.setStyleSheet("color: #5453FF;" "background: transparent;" "font: 10pt \"华光粗圆_CNKI\";" ) self.note.setText("->点击拍摄即可打开摄像头；\n\n->请务必将商品放置在摄像区域，以免识别遗漏；\n\n->放置完毕后点击识别等待片刻；\n\n->片刻后系统将自动结算商品总价；\n\n->若系统未正常返回商品价格，则证明\n 存在数据库中没有的商品，请联系管理员更新。") # 版本号 self.version_label = QLabel(self) self.version_label.setGeometry(QRect(920*self.rate, 600*self.rate, 200*self.rate, 20*self.rate)) self.version_label.setStyleSheet("color: #5453FF;" "background: transparent;" "font: 10pt \"微软雅黑\";" "font-weight:bold;") self.version_label.setText("版本号: Ver 1.0 ") self.author_label = QLabel(self) self.author_label.setGeometry(QRect(920*self.rate, 630*self.rate, 200*self.rate, 20*self.rate)) self.author_label.setStyleSheet("color: #5453FF;" "background: transparent;" "font: 8pt \"微软雅黑\";" ) self.author_label.setText("——By thomas-yanxin") # '''信息显示''' self.label_show_camera = QtWidgets.QLabel(self) #定义显示视频的Label self.label_show_camera.setGeometry(QRect(60*self.rate, 110*self.rate, 820*self.rate,560*self.rate)) self.label_show_camera.setFixedSize(820*self.rate,560*self.rate) '''初始化所有槽函数''' def slot_init(self): self.button_open_camera.clicked.connect(self.button_open_camera_clicked) #若该按键被点击，则调用button_open_camera_clicked() self.timer_camera.timeout.connect(self.show_camera) #若定时器结束，则调用show_camera() self.button_close.clicked.connect(self.close)#若该按键被点击，则调用close()，注意这个close是父类QtWidgets.QWidget自带的，会关闭程序 '''槽函数之一''' def button_open_camera_clicked(self): if self.timer_camera.isActive() == False: #若定时器未启动 flag = self.cap.open(self.CAM_NUM) #参数是0，表示打开笔记本的内置摄像头，参数是视频文件路径则打开视频 if flag == False: #flag表示open()成不成功 msg = QtWidgets.QMessageBox.warning(self,'warning',"请检查相机于电脑是否连接正确",buttons=QtWidgets.QMessageBox.Ok) else: self.timer_camera.start(30) #定时器开始计时30ms，结果是每过30ms从摄像头中取一帧显示 self.button_open_camera.setText('识别') else: self.container_recognition() def open_camera(self): flag = self.cap.open(self.CAM_NUM) #参数是0，表示打开笔记本的内置摄像头，参数是视频文件路径则打开视频 if flag == False: #flag表示open()成不成功 msg = QtWidgets.QMessageBox.warning(self,'warning',"请检查相机于电脑是否连接正确",buttons=QtWidgets.QMessageBox.Ok) else: self.timer_camera.start(30) #定时器开始计时30ms，结果是每过30ms从摄像头中取一帧显示 def lable_close(self): if self.timer_camera.isActive(): self.timer_camera.stop() if self.cap.isOpened(): self.cap.release() self.label_show_camera.clear() def show_camera(self): flag,self.image = self.cap.read() #从视频流中读取 show = cv2.resize(self.image,(820*self.rate,560*self.rate)) #把读到的帧的大小重新设置为 640x480 show = cv2.cvtColor(show,cv2.COLOR_BGR2RGB) #视频色彩转换回RGB，这样才是现实的颜色 showImage = QtGui.QImage(show.data,show.shape[1],show.shape[0],QtGui.QImage.Format_RGB888) #把读取到的视频数据变成QImage形式 self.label_show_camera.setPixmap(QtGui.QPixmap.fromImage(showImage)) #往显示视频的Label里 显示QImage def deplay(self, value): '''显示对话框返回值''' if value == "Please connect root to upload container's name and it's price!\n": QMessageBox.information(self, "Warning","{}".format(value), QMessageBox.Yes | QMessageBox.No) else: QMessageBox.information(self, "价格清单","您一共购买了：\n{}".format(value), QMessageBox.Yes | QMessageBox.No) def getByte(self, path): with open(path, 'rb') as f: img_byte = base64.b64encode(f.read()) #二进制读取后变base64编码 img_str = img_byte.decode('ascii') #转成python的unicode return img_str def container_recognition(self): self.picture_file = './test_client_pic.jpg' cv2.imwrite(self.picture_file, self.image) img_str = self.getByte('./test_client_pic.jpg') requestsss={'name':'测试图片', 'image':img_str} req = json.dumps(requestsss) #字典数据结构变json(所有程序语言都认识的字符串) res=requests.post('localhost/reference_client/', data=req) print(type(res.text)) json_res = json.loads(res.text) print(json_res['container']) container_all = json_res['container'] if container_all =="Please connect root to upload container's name and it's price!\n": rec_deplay_str_all = container_all else: price_all = json_res['price_all'] rec_docs_price_all = [] for i in range(len(container_all)): rec_docs_price = [] if i%2 == 0: container = container_all[i] price = container_all[i+1] rec_docs_price.append(container) rec_docs_price.append(price) rec_docs_price_all.append(rec_docs_price) rec_deplay_str = '' for rec_single in rec_docs_price_all: rec_name = rec_single[0] rec_price = rec_single[1] rec_deplay_str = '商品：{}'.format(rec_name) + '\t' + '单价：{}元'.format(str(rec_price)) + '\n' + rec_deplay_str rec_deplay_str_all = rec_deplay_str + '\n' + '您需付款：{}元'.format(str(price_all)) self.deplay(rec_deplay_str_all) if __name__ =='__main__': app = QtWidgets.QApplication(sys.argv) #固定的，表示程序应用 ui = Ui_MainWindow() #实例化Ui_MainWindow ui.show() #调用ui的show()以显示。同样show()是源于父类QtWidgets.QWidget的 sys.exit(app.exec_()) #不加这句，程序界面会一闪而过