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