Want to make APP Same thing as WeChat , Can run small programs smoothly ？ | Experience will send you to Xinjiang 、 Huawei 、 Cherry keyboard ！>>>

One . python install pyqt5

pip install pyqt5 -i https://mirrors.aliyun.com/pypi/simple

Two . install qt designer（ Design generation program interface ui）

Download address

（ official ）https://build-system.fman.io/qt-designer-download
（csdn）https://download.csdn.net/download/qq_26696715/13094628
( Add group download )686070107

3、 ... and . Use qt designer Design generation ui file

<?xml version="1.0" encoding="UTF-8"?>
<ui version="4.0">
<class>Dialog</class>
<widget class="QDialog" name="Dialog">
<property name="geometry">
<rect>
<x>0</x>
<y>0</y>
<width>635</width>
<height>511</height>
</rect>
</property>
<property name="windowTitle">
<string>Dialog</string>
</property>
<widget class="QPushButton" name="pushButton">
<property name="geometry">
<rect>
<x>20</x>
<y>10</y>
<width>81</width>
<height>31</height>
</rect>
</property>
<property name="font">
<font>
<pointsize>12</pointsize>
<weight>75</weight>
<bold>true</bold>
</font>
</property>
<property name="text">
<string> Select Picture </string>
</property>
</widget>
<widget class="QLabel" name="label">
<property name="geometry">
<rect>
<x>20</x>
<y>70</y>
<width>581</width>
<height>401</height>
</rect>
</property>
<property name="text">
<string/>
</property>
<property name="pixmap">
<pixmap>img/1.tif</pixmap>
</property>
<property name="scaledContents">
<bool>true</bool>
</property>
</widget>
</widget>
<resources/>
<connections/>
</ui>

Four . take ui File conversion to py file

pyuic5 -o ui.py ui.ui

5、 ... and . To write main.py A file called ui.py file

# -*- coding: utf-8 -*-
import sys
import time
from PyQt5.QtCore import *
from PyQt5.QtGui import *
from PyQt5.QtWidgets import *
import numpy as np
import cv2
import qimage2ndarray
from ui import Ui_Dialog
class mwindow(QWidget, Ui_Dialog):
def __init__(self):
super(mwindow, self).__init__()
self.setupUi(self)
# Select Picture 
def openimage(self):
# Select Picture 
imgName, imgType = QFileDialog.getOpenFileName(self, " Open the picture ", "img", "*.jpg;*.tif;*.png;;All Files(*)")
if imgName=="":
return 0
#qt5 Read the picture 
jpg = QPixmap(imgName).scaled(self.label.width(), self.label.height())
# Show the original 
self.label.setPixmap(jpg)
if __name__ == '__main__':
app=QApplication(sys.argv)
# Initialize window 
m=mwindow()
# Bind button event 
m.pushButton.clicked.connect(m.openimage)# Select Picture 
m.show()
sys.exit(app.exec_())

6、 ... and . function main.py file

python main.py

There is a problem adding QQ Group ：686070107