界面转化命令
python -m PyQt5.uic.pyuic ./UI_1creat.ui -o ./UI_1UI.py
界面样子
調用代碼
from PyQt5.QtWidgets import QApplication,QMainWindow,QFileDialog
from PyQt5.QtCore import *
from PyQt5.QtGui import *
from PyQt5.QtWidgets import *
from PyQt5 import QtWidgets, QtCore, QtGui
#导入图像库
import cv2
import numpy as np
import datetime
from qrcode_test import *
#进程测试
#import multiprocessing
import sys
#线程测试
import threading
from queue import Queue
from multiprocessing import Process,Manager
#导入自己创建的图形类
from UI_1UI import *
import time
import RPi.GPIO as GPIO
GPIO.setwarnings(False)
GPIO.setmode(GPIO.BCM)
pinA1=17
GPIO.setup(pinA1, GPIO.OUT) #设置脚为输出模式
GPIO.output(pinA1, GPIO.HIGH) #关闭 默认
#一个是这个类本身的，一个是这个类继承
class Example(QMainWindow,Ui_Form):
def __init__(self,ShareImages,Lock):
#类的初始化
super(Example, self).__init__()
self.setupUi(self)#界面控件初始化
#获取共享内存，外部参数数据和数据锁
self.ShareImages=ShareImages
self.Lock=Lock
#相机线程初始化
self.CAM_Int()
def recongQR(self):
self.ShareImages[1]=1
'''
if self.ShareImages[1]==1:
self.ShareImages[1]=0
else:
self.ShareImages[1]=1
'''
def opendoor(self):
GPIO.output(pinA1, GPIO.LOW) #亮LOW
_translate = QtCore.QCoreApplication.translate
self.label_tongxing.setText(_translate("Form", "手动打开闸门"))
def closedoor(self):
GPIO.output(pinA1, GPIO.HIGH) #亮
_translate = QtCore.QCoreApplication.translate
self.label_tongxing.setText(_translate("Form", "手动关闭闸门"))
def CAM_Int(self):
#self.dateTimeEdit.setDisplayFormat("yyyy-MM-dd HH:mm:ss")
#按钮绑定函数
self.pushButton.clicked.connect(self.recongQR) #开始按键
self.pushButton_2.clicked.connect(self.opendoor) #开始按键
self.pushButton_3.clicked.connect(self.closedoor) #开始按键
#定时器20毫秒更新画板
self.timer = QTimer(self)
self.timer.timeout.connect(self.CAM_SetImage)
self.timer.start(25) #单位为毫秒
#配合定时器刷新图像显示
def CAM_SetImage(self):
_translate = QtCore.QCoreApplication.translate
with self.Lock:
frame=self.ShareImages[0]#数据转化后才能用，不然只是一个numpy数组
rgbImage = cv2.cvtColor(frame, cv2.COLOR_BGR2RGB)
convertToQtFormat = QtGui.QImage(rgbImage.data, rgbImage.shape[1], rgbImage.shape[0], QImage.Format_RGB888)
#在这里可以对每帧图像进行处理，
qtimg = convertToQtFormat.scaled(640, 480, Qt.KeepAspectRatio)
self.label_img.setPixmap(QPixmap.fromImage(qtimg))#窗口刷新
if self.ShareImages[1]==2:#识别成功
#print("识别结果")
#print(self.ShareImages[3])
if self.ShareImages[3]=="None":
self.label_shibie.setText(_translate("Form", "识别失败，请放好重新识别！"))
print("识别失败，请放好重新识别！")
else:
self.label_shibie.setText(_translate("Form", "识别成功，正在验证..."))
print("识别成功，正在验证...")
#判断是否满足时间
dateTime=self.lineEditDate.text()
print("期限时间:",dateTime,"识别时间:",self.ShareImages[3])
rec=str(self.ShareImages[3]).strip('\n')#识别结果
result=self.compare_time(rec,str(dateTime))
if result:
print("在有效期限内")
self.label_shibie.setText(_translate("Form", "识别成功,在有效期限内\n"+rec))
self.label_tongxing.setText(_translate("Form", "自动打开闸门"))
GPIO.output(pinA1, GPIO.LOW) #亮
GPIO.output(pinA1, GPIO.HIGH) #关
else:
print("不在有效期内")
self.label_shibie.setText(_translate("Form", "识别成功,不在有效期内\n"+rec))
self.label_tongxing.setText(_translate("Form", "自动关闭闸门"))
GPIO.output(pinA1, GPIO.HIGH) #亮HIGH
print(result)
#根据结果修改状态
self.ShareImages[1]=0
def closeEvent(self, event):
self.ShareImages[2]=1#必须通过共享内存数据，强制关闭采集进程
print("QT关闭窗口")
"""
time格式 '2018-01-03 16:26:23'
"""
def compare_time(self,startTime,endTime):
#now = datetime.datetime.now ()
d_start = datetime.datetime.strptime (startTime, '%Y-%m-%d %H:%M:%S')
d_end = datetime.datetime.strptime (endTime, '%Y-%m-%d %H:%M:%S')
#result = (d_start<=now) and (d_end>=now)
result = (d_start==d_end)
return result
#result = compare_time('2018-01-03 16:26:23','2018-02-03 16:29:55')
#print(result)
def Getvideo(images,lock):
cap = cv2.VideoCapture(0)
#cap.set(cv2.CAP_PROP_FRAME_WIDTH,800)
#cap.set(cv2.CAP_PROP_FRAME_HEIGHT,600)
#cap.set (cv2.CAP_PROP_FPS,25)
while (cap.isOpened()):
#print(images[1])
if images[2]==1:
print("采集进程关闭窗口")
break
ret, frame = cap.read()
if ret:
with lock:
if images[1]==1:
cv2.imwrite('Saveimage.png',frame)
images[3]=konw_qrcode('Saveimage.png')
images[1]=2#识别结束
images[0]=frame
else:
#break
continue
if __name__ == '__main__':
#---------------------开启一个单独进程，采集+识别--------------------
#共享内存数据
h=480 #图像默认高
w=640 #图像默认宽
img = cv2.imread("Saveimage.png", 1)#默认底板图片
img = cv2.resize(img,(w,h),) #大小调整
lock = Manager().Lock()#创建共享内存容器
ShareImages=Manager().dict()#存str类型数据
ShareImages[0]=img#图像数据使用前必须初始化一个图像
ShareImages[1]=0#用于控制保存图像和开始识别
ShareImages[2]=0#用于QT界面关闭按键，关闭采集进程
ShareImages[3]="None"#识别结果
p = Process(target=Getvideo, args=(ShareImages,lock))#开启进程
p.deamon=True #伴随主进程关闭而关闭，但是有时候还是关闭不了，单独搞个标志位来控制
p.start()#开始
#----------------------QT界面主进程--------------------------------
app = QApplication(sys.argv)
ui=Example(ShareImages,lock) #ShareImages共享内存数据 lock 共享数据锁
ui.show()
sys.exit(app.exec_())
界面代碼
# -*- coding: utf-8 -*-
# Form implementation generated from reading ui file './UI_1creat.ui'
#
# Created by: PyQt5 UI code generator 5.11.3
#
# WARNING! All changes made in this file will be lost!
from PyQt5 import QtCore, QtGui, QtWidgets
class Ui_Form(object):
def setupUi(self, Form):
Form.setObjectName("Form")
Form.resize(1445, 748)
font = QtGui.QFont()
font.setPointSize(24)
Form.setFont(font)
self.label = QtWidgets.QLabel(Form)
self.label.setGeometry(QtCore.QRect(100, 80, 451, 41))
palette = QtGui.QPalette()
brush = QtGui.QBrush(QtGui.QColor(0, 0, 0))
brush.setStyle(QtCore.Qt.SolidPattern)
palette.setBrush(QtGui.QPalette.Active, QtGui.QPalette.WindowText, brush)
brush = QtGui.QBrush(QtGui.QColor(0, 0, 0))
brush.setStyle(QtCore.Qt.SolidPattern)
palette.setBrush(QtGui.QPalette.Inactive, QtGui.QPalette.WindowText, brush)
brush = QtGui.QBrush(QtGui.QColor(143, 146, 147))
brush.setStyle(QtCore.Qt.SolidPattern)
palette.setBrush(QtGui.QPalette.Disabled, QtGui.QPalette.WindowText, brush)
self.label.setPalette(palette)
self.label.setAlignment(QtCore.Qt.AlignBottom|QtCore.Qt.AlignHCenter)
self.label.setObjectName("label")
self.label_2 = QtWidgets.QLabel(Form)
self.label_2.setGeometry(QtCore.QRect(90, 130, 451, 41))
palette = QtGui.QPalette()
brush = QtGui.QBrush(QtGui.QColor(255, 85, 0))
brush.setStyle(QtCore.Qt.SolidPattern)
palette.setBrush(QtGui.QPalette.Active, QtGui.QPalette.WindowText, brush)
brush = QtGui.QBrush(QtGui.QColor(255, 85, 0))
brush.setStyle(QtCore.Qt.SolidPattern)
palette.setBrush(QtGui.QPalette.Inactive, QtGui.QPalette.WindowText, brush)
brush = QtGui.QBrush(QtGui.QColor(143, 146, 147))
brush.setStyle(QtCore.Qt.SolidPattern)
palette.setBrush(QtGui.QPalette.Disabled, QtGui.QPalette.WindowText, brush)
self.label_2.setPalette(palette)
font = QtGui.QFont()
font.setPointSize(16)
self.label_2.setFont(font)
self.label_2.setAlignment(QtCore.Qt.AlignBottom|QtCore.Qt.AlignHCenter)
self.label_2.setObjectName("label_2")
self.label_3 = QtWidgets.QLabel(Form)
self.label_3.setGeometry(QtCore.QRect(50, 220, 171, 41))
font = QtGui.QFont()
font.setPointSize(20)
self.label_3.setFont(font)
self.label_3.setObjectName("label_3")
self.lineEditDate = QtWidgets.QLineEdit(Form)
self.lineEditDate.setGeometry(QtCore.QRect(240, 230, 301, 32))
font = QtGui.QFont()
font.setPointSize(18)
self.lineEditDate.setFont(font)
self.lineEditDate.setObjectName("lineEditDate")
self.pushButton = QtWidgets.QPushButton(Form)
self.pushButton.setGeometry(QtCore.QRect(290, 310, 151, 41))
font = QtGui.QFont()
font.setPointSize(18)
self.pushButton.setFont(font)
self.pushButton.setObjectName("pushButton")
self.label_img = QtWidgets.QLabel(Form)
self.label_img.setGeometry(QtCore.QRect(640, 60, 771, 651))
palette = QtGui.QPalette()
brush = QtGui.QBrush(QtGui.QColor(255, 170, 0))
brush.setStyle(QtCore.Qt.SolidPattern)
palette.setBrush(QtGui.QPalette.Active, QtGui.QPalette.WindowText, brush)
brush = QtGui.QBrush(QtGui.QColor(255, 170, 0))
brush.setStyle(QtCore.Qt.SolidPattern)
palette.setBrush(QtGui.QPalette.Inactive, QtGui.QPalette.WindowText, brush)
brush = QtGui.QBrush(QtGui.QColor(143, 146, 147))
brush.setStyle(QtCore.Qt.SolidPattern)
palette.setBrush(QtGui.QPalette.Disabled, QtGui.QPalette.WindowText, brush)
self.label_img.setPalette(palette)
self.label_img.setAlignment(QtCore.Qt.AlignCenter)
self.label_img.setObjectName("label_img")
self.label_5 = QtWidgets.QLabel(Form)
self.label_5.setGeometry(QtCore.QRect(80, 400, 171, 41))
font = QtGui.QFont()
font.setPointSize(20)
self.label_5.setFont(font)
self.label_5.setObjectName("label_5")
self.label_shibie = QtWidgets.QLabel(Form)
self.label_shibie.setGeometry(QtCore.QRect(280, 380, 311, 91))
palette = QtGui.QPalette()
brush = QtGui.QBrush(QtGui.QColor(0, 170, 0))
brush.setStyle(QtCore.Qt.SolidPattern)
palette.setBrush(QtGui.QPalette.Active, QtGui.QPalette.WindowText, brush)
brush = QtGui.QBrush(QtGui.QColor(0, 170, 0))
brush.setStyle(QtCore.Qt.SolidPattern)
palette.setBrush(QtGui.QPalette.Inactive, QtGui.QPalette.WindowText, brush)
brush = QtGui.QBrush(QtGui.QColor(143, 146, 147))
brush.setStyle(QtCore.Qt.SolidPattern)
palette.setBrush(QtGui.QPalette.Disabled, QtGui.QPalette.WindowText, brush)
self.label_shibie.setPalette(palette)
font = QtGui.QFont()
font.setPointSize(20)
self.label_shibie.setFont(font)
self.label_shibie.setObjectName("label_shibie")
self.label_7 = QtWidgets.QLabel(Form)
self.label_7.setGeometry(QtCore.QRect(80, 500, 171, 41))
font = QtGui.QFont()
font.setPointSize(20)
self.label_7.setFont(font)
self.label_7.setObjectName("label_7")
self.label_tongxing = QtWidgets.QLabel(Form)
self.label_tongxing.setGeometry(QtCore.QRect(280, 500, 311, 41))
palette = QtGui.QPalette()
brush = QtGui.QBrush(QtGui.QColor(0, 85, 255))
brush.setStyle(QtCore.Qt.SolidPattern)
palette.setBrush(QtGui.QPalette.Active, QtGui.QPalette.WindowText, brush)
brush = QtGui.QBrush(QtGui.QColor(0, 85, 255))
brush.setStyle(QtCore.Qt.SolidPattern)
palette.setBrush(QtGui.QPalette.Inactive, QtGui.QPalette.WindowText, brush)
brush = QtGui.QBrush(QtGui.QColor(143, 146, 147))
brush.setStyle(QtCore.Qt.SolidPattern)
palette.setBrush(QtGui.QPalette.Disabled, QtGui.QPalette.WindowText, brush)
self.label_tongxing.setPalette(palette)
font = QtGui.QFont()
font.setPointSize(20)
self.label_tongxing.setFont(font)
self.label_tongxing.setObjectName("label_tongxing")
self.pushButton_2 = QtWidgets.QPushButton(Form)
self.pushButton_2.setGeometry(QtCore.QRect(160, 610, 151, 41))
font = QtGui.QFont()
font.setPointSize(18)
self.pushButton_2.setFont(font)
self.pushButton_2.setObjectName("pushButton_2")
self.pushButton_3 = QtWidgets.QPushButton(Form)
self.pushButton_3.setGeometry(QtCore.QRect(410, 610, 151, 41))
font = QtGui.QFont()
font.setPointSize(18)
self.pushButton_3.setFont(font)
self.pushButton_3.setObjectName("pushButton_3")
self.retranslateUi(Form)
QtCore.QMetaObject.connectSlotsByName(Form)
def retranslateUi(self, Form):
_translate = QtCore.QCoreApplication.translate
Form.setWindowTitle(_translate("Form", "Form"))
self.label.setText(_translate("Form", "火车票二维码识别验票系统设计"))
self.label_2.setText(_translate("Form", "2021届毕业生 测控162 江雪婷"))
self.label_3.setText(_translate("Form", "请输入时间："))
self.lineEditDate.setText(_translate("Form", "2021-03-03 16:26:23"))
self.pushButton.setText(_translate("Form", "检测识别"))
self.label_img.setText(_translate("Form", "检测识别窗口"))
self.label_5.setText(_translate("Form", "识别结果："))
self.label_shibie.setText(_translate("Form", "等待识别结果......"))
self.label_7.setText(_translate("Form", "通行结果："))
self.label_tongxing.setText(_translate("Form", "等待通行结果......"))
self.pushButton_2.setText(_translate("Form", "开闸门"))
self.pushButton_3.setText(_translate("Form", "关闸门"))
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