[파이썬] pyqt5 예제 5종 클릭이벤트, 버튼클릭시 1++, 곱하기, 홀짝게임, 구구단

jychae·2022년 11월 3일

파이썬

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main01.py 굿모닝 굿이브닝

# import sys
# from PyQt5 import uic
# from PyQt5.QtWidgets import QApplication, QMainWindow
#
#
# form_class = uic.loadUiType("./main01.ui")[0]
#
# class WindowClass(QMainWindow, form_class):
#     def __init__(self):
#         super().__init__()
#         self.setupUi(self)
#
#         self.pb.clicked.connect(self.click)
#
#     def click(self):
#         self.lbl.setText("Good evening")
#
#
# if __name__ == "__main__":
#     app = QApplication(sys.argv)
#     myWindow = WindowClass()
#     myWindow.show()
#     app.exec_()  
#

import sys
from PyQt5.QtWidgets import *
from PyQt5 import uic

#UI파일 연결
#단, UI파일은 Python 코드 파일과 같은 디렉토리에 위치해야한다.
form_class = uic.loadUiType("main01.ui")[0]

#화면을 띄우는데 사용되는 Class 선언
class WindowClass(QMainWindow, form_class) :
    def __init__(self) :
        super().__init__()
        self.setupUi(self)
        self.pb.clicked.connect(self.myclcik) #파이썬 문법!
        
    def myclcik(self):
        self.lbl.setText("Good Evening")
        print(self.lbl)
         

if __name__ == "__main__" :
    #QApplication : 프로그램을 실행시켜주는 클래스
    app = QApplication(sys.argv) 

    #WindowClass의 인스턴스 생성
    myWindow = WindowClass() 

    #프로그램 화면을 보여주는 코드
    myWindow.show()

    #프로그램을 이벤트루프로 진입시키는(프로그램을 작동시키는) 코드
    app.exec_()

main01.ui

<?xml version="1.0" encoding="UTF-8"?>
<ui version="4.0">
 <class>MainWindow</class>
 <widget class="QMainWindow" name="MainWindow">
  <property name="geometry">
   <rect>
    <x>0</x>
    <y>0</y>
    <width>800</width>
    <height>600</height>
   </rect>
  </property>
  <property name="windowTitle">
   <string>MainWindow</string>
  </property>
  <widget class="QWidget" name="centralwidget">
   <widget class="QLabel" name="lbl">
    <property name="geometry">
     <rect>
      <x>120</x>
      <y>90</y>
      <width>101</width>
      <height>16</height>
     </rect>
    </property>
    <property name="text">
     <string>Good morning</string>
    </property>
   </widget>
   <widget class="QPushButton" name="pb">
    <property name="geometry">
     <rect>
      <x>230</x>
      <y>90</y>
      <width>75</width>
      <height>23</height>
     </rect>
    </property>
    <property name="text">
     <string>click</string>
    </property>
   </widget>
  </widget>
  <widget class="QMenuBar" name="menubar">
   <property name="geometry">
    <rect>
     <x>0</x>
     <y>0</y>
     <width>800</width>
     <height>21</height>
    </rect>
   </property>
  </widget>
  <widget class="QStatusBar" name="statusbar"/>
 </widget>
 <resources/>
 <connections/>
</ui>

main02.py 버튼 클릭시 1++

# import sys
# from PyQt5 import uic
# from PyQt5.QtWidgets import QApplication, QMainWindow
#
#
# form_class = uic.loadUiType("./main02.ui")[0]
#
# class WindowClass(QMainWindow, form_class):
#     def __init__(self):
#         super().__init__()
#         self.setupUi(self)
#
#         self.pb.clicked.connect(self.click)
#
#     def click(self):
#         letext = self.le.text();
#         lenum = int(letext)
#
#         lenum += 1
#
#         self.le.setText(str(lenum))
#
# if __name__ == "__main__":
#     app = QApplication(sys.argv)
#     myWindow = WindowClass()
#     myWindow.show()
#     app.exec_()  
#


import sys
from PyQt5.QtWidgets import *
from PyQt5 import uic

#UI파일 연결
#단, UI파일은 Python 코드 파일과 같은 디렉토리에 위치해야한다.
form_class = uic.loadUiType("main02.ui")[0]

#화면을 띄우는데 사용되는 Class 선언
class WindowClass(QMainWindow, form_class) :
    def __init__(self) :
        super().__init__()
        self.setupUi(self)
        self.pb.clicked.connect(self.myclcik) #파이썬 문법!
        
    def myclcik(self):
        # print(self.le.getText()) #getText() 여기서 죽죠
        # print(self.le.text()) #기준이 c++이였어서! 자바시작문법자는 오잉? ㅎㅎ
        a = self.le.text()
        aa = int(a)
        aa += 1 
        self.le.setText(str(aa))
         

if __name__ == "__main__" :
    #QApplication : 프로그램을 실행시켜주는 클래스
    app = QApplication(sys.argv) 

    #WindowClass의 인스턴스 생성
    myWindow = WindowClass() 

    #프로그램 화면을 보여주는 코드
    myWindow.show()

    #프로그램을 이벤트루프로 진입시키는(프로그램을 작동시키는) 코드
    app.exec_()

main02.ui

<?xml version="1.0" encoding="UTF-8"?>
<ui version="4.0">
 <class>MainWindow</class>
 <widget class="QMainWindow" name="MainWindow">
  <property name="geometry">
   <rect>
    <x>0</x>
    <y>0</y>
    <width>800</width>
    <height>600</height>
   </rect>
  </property>
  <property name="windowTitle">
   <string>MainWindow</string>
  </property>
  <widget class="QWidget" name="centralwidget">
   <widget class="QLineEdit" name="le">
    <property name="geometry">
     <rect>
      <x>150</x>
      <y>110</y>
      <width>113</width>
      <height>20</height>
     </rect>
    </property>
    <property name="text">
     <string>100</string>
    </property>
   </widget>
   <widget class="QPushButton" name="pb">
    <property name="geometry">
     <rect>
      <x>290</x>
      <y>110</y>
      <width>75</width>
      <height>23</height>
     </rect>
    </property>
    <property name="text">
     <string>plus</string>
    </property>
   </widget>
  </widget>
  <widget class="QMenuBar" name="menubar">
   <property name="geometry">
    <rect>
     <x>0</x>
     <y>0</y>
     <width>800</width>
     <height>21</height>
    </rect>
   </property>
  </widget>
  <widget class="QStatusBar" name="statusbar"/>
 </widget>
 <resources/>
 <connections/>
</ui>

main03.py 곱하기예제


import sys
from PyQt5.QtWidgets import *
from PyQt5 import uic

#UI파일 연결
#단, UI파일은 Python 코드 파일과 같은 디렉토리에 위치해야한다.
form_class = uic.loadUiType("main03.ui")[0]

#화면을 띄우는데 사용되는 Class 선언
class WindowClass(QMainWindow, form_class) :
    def __init__(self) :
        super().__init__()
        self.setupUi(self)
        self.pb.clicked.connect(self.myclcik) #파이썬 문법!
        
    def myclcik(self):
        # print("myclcik")
        a = self.le1.text()
        b = self.le2.text()
        aa = int(a)
        bb = int(b)
        mul = aa * bb
        self.le3.setText(str(mul))
         

if __name__ == "__main__" :
    #QApplication : 프로그램을 실행시켜주는 클래스
    app = QApplication(sys.argv) 

    #WindowClass의 인스턴스 생성
    myWindow = WindowClass() 

    #프로그램 화면을 보여주는 코드
    myWindow.show()

    #프로그램을 이벤트루프로 진입시키는(프로그램을 작동시키는) 코드
    app.exec_()

main03.ui

<?xml version="1.0" encoding="UTF-8"?>
<ui version="4.0">
 <class>MainWindow</class>
 <widget class="QMainWindow" name="MainWindow">
  <property name="geometry">
   <rect>
    <x>0</x>
    <y>0</y>
    <width>800</width>
    <height>451</height>
   </rect>
  </property>
  <property name="windowTitle">
   <string>MainWindow</string>
  </property>
  <widget class="QWidget" name="centralwidget">
   <widget class="QLineEdit" name="le1">
    <property name="geometry">
     <rect>
      <x>110</x>
      <y>50</y>
      <width>113</width>
      <height>20</height>
     </rect>
    </property>
   </widget>
   <widget class="QLineEdit" name="le2">
    <property name="geometry">
     <rect>
      <x>270</x>
      <y>50</y>
      <width>113</width>
      <height>20</height>
     </rect>
    </property>
   </widget>
   <widget class="QLineEdit" name="le3">
    <property name="geometry">
     <rect>
      <x>470</x>
      <y>50</y>
      <width>113</width>
      <height>20</height>
     </rect>
    </property>
   </widget>
   <widget class="QLabel" name="lbl">
    <property name="geometry">
     <rect>
      <x>240</x>
      <y>50</y>
      <width>21</width>
      <height>16</height>
     </rect>
    </property>
    <property name="text">
     <string>*</string>
    </property>
   </widget>
   <widget class="QPushButton" name="pb">
    <property name="geometry">
     <rect>
      <x>390</x>
      <y>50</y>
      <width>75</width>
      <height>23</height>
     </rect>
    </property>
    <property name="text">
     <string>=</string>
    </property>
   </widget>
  </widget>
  <widget class="QMenuBar" name="menubar">
   <property name="geometry">
    <rect>
     <x>0</x>
     <y>0</y>
     <width>800</width>
     <height>21</height>
    </rect>
   </property>
  </widget>
  <widget class="QStatusBar" name="statusbar"/>
 </widget>
 <resources/>
 <connections/>
</ui>

main04.py 홀짝게임

import sys
from PyQt5.QtWidgets import *
from PyQt5 import uic
import random

#UI파일 연결
#단, UI파일은 Python 코드 파일과 같은 디렉토리에 위치해야한다.
form_class = uic.loadUiType("main04.ui")[0]

#화면을 띄우는데 사용되는 Class 선언
class WindowClass(QMainWindow, form_class) :
    def __init__(self) :
        super().__init__()
        self.setupUi(self)
        self.pb.clicked.connect(self.myclcik) #파이썬 문법!
        
    def myclcik(self):
        #print("myclcik")
        
        com =""
        mine = self.le_mine.text()
        result =""
         #하나하나 단위 테스트 하면서 짜볼것!
        rnd = random.random()
        if rnd > 0.5:
            com = "홀"
        else:
            com = "짝" 
        
        if com == mine:
            result ="승리"      
        else:
            result ="패배" 
        
        self.le_com.setText(com)    
        self.le_result.setText(result)    
        #print(com, mine, result) 

if __name__ == "__main__" :
    #QApplication : 프로그램을 실행시켜주는 클래스
    app = QApplication(sys.argv) 

    #WindowClass의 인스턴스 생성
    myWindow = WindowClass() 

    #프로그램 화면을 보여주는 코드
    myWindow.show()

    #프로그램을 이벤트루프로 진입시키는(프로그램을 작동시키는) 코드
    app.exec_()

main04.ui

<?xml version="1.0" encoding="UTF-8"?>
<ui version="4.0">
 <class>MainWindow</class>
 <widget class="QMainWindow" name="MainWindow">
  <property name="geometry">
   <rect>
    <x>0</x>
    <y>0</y>
    <width>800</width>
    <height>600</height>
   </rect>
  </property>
  <property name="windowTitle">
   <string>MainWindow</string>
  </property>
  <widget class="QWidget" name="centralwidget">
   <widget class="QLineEdit" name="le_mine">
    <property name="geometry">
     <rect>
      <x>210</x>
      <y>90</y>
      <width>113</width>
      <height>20</height>
     </rect>
    </property>
   </widget>
   <widget class="QLineEdit" name="le_com">
    <property name="geometry">
     <rect>
      <x>210</x>
      <y>130</y>
      <width>113</width>
      <height>20</height>
     </rect>
    </property>
   </widget>
   <widget class="QLineEdit" name="le_result">
    <property name="geometry">
     <rect>
      <x>210</x>
      <y>180</y>
      <width>113</width>
      <height>20</height>
     </rect>
    </property>
   </widget>
   <widget class="QLabel" name="label">
    <property name="geometry">
     <rect>
      <x>150</x>
      <y>90</y>
      <width>56</width>
      <height>12</height>
     </rect>
    </property>
    <property name="text">
     <string>나 :</string>
    </property>
   </widget>
   <widget class="QLabel" name="label_2">
    <property name="geometry">
     <rect>
      <x>150</x>
      <y>140</y>
      <width>56</width>
      <height>12</height>
     </rect>
    </property>
    <property name="text">
     <string>컴 :</string>
    </property>
   </widget>
   <widget class="QLabel" name="label_3">
    <property name="geometry">
     <rect>
      <x>150</x>
      <y>190</y>
      <width>56</width>
      <height>12</height>
     </rect>
    </property>
    <property name="text">
     <string>결과 :</string>
    </property>
   </widget>
   <widget class="QPushButton" name="pb">
    <property name="geometry">
     <rect>
      <x>150</x>
      <y>230</y>
      <width>171</width>
      <height>41</height>
     </rect>
    </property>
    <property name="text">
     <string>게임하기</string>
    </property>
   </widget>
  </widget>
  <widget class="QMenuBar" name="menubar">
   <property name="geometry">
    <rect>
     <x>0</x>
     <y>0</y>
     <width>800</width>
     <height>21</height>
    </rect>
   </property>
  </widget>
  <widget class="QStatusBar" name="statusbar"/>
 </widget>
 <resources/>
 <connections/>
</ui>

main05.py 구구단

import sys
from PyQt5.QtWidgets import *
from PyQt5 import uic
import random

#UI파일 연결
#단, UI파일은 Python 코드 파일과 같은 디렉토리에 위치해야한다.
form_class = uic.loadUiType("main05.ui")[0]

#화면을 띄우는데 사용되는 Class 선언
class WindowClass(QMainWindow, form_class) :
    def __init__(self) :
        super().__init__()
        self.setupUi(self)
        self.pb.clicked.connect(self.myclcik) #파이썬 문법!
        
    def myclcik(self):
        #print("myclcik")
        dan = self.le.text()
        print(dan)
        idan = int(dan)   
        print(idan)
        
        # 죽어버려서 str로 감쌌음...
        txt = ""
        
        # 단을 쓰는 방법은 2가지다! 아래와 같음 ㅎㅎㅎ 확인!
        txt += "{} * {} = {}\n".format(dan,1,idan*1)
        txt += "{} * {} = {}\n".format(dan,2,idan*2)
        txt += dan+" * "+str(3)+" = "+str(3*idan)+"\n"
        txt += dan+" * "+str(4)+" = "+str(4*idan)+"\n"
        txt += dan+" * "+str(5)+" = "+str(5*idan)+"\n"
        txt += dan+" * "+str(6)+" = "+str(6*idan)+"\n"
        txt += dan+" * "+str(7)+" = "+str(7*idan)+"\n"
        txt += dan+" * "+str(8)+" = "+str(8*idan)+"\n"
        txt += dan+" * "+str(9)+" = "+str(9*idan)+"\n"

        self.te.setText(txt)    

if __name__ == "__main__" :
    #QApplication : 프로그램을 실행시켜주는 클래스
    app = QApplication(sys.argv) 

    #WindowClass의 인스턴스 생성
    myWindow = WindowClass() 

    #프로그램 화면을 보여주는 코드
    myWindow.show()

    #프로그램을 이벤트루프로 진입시키는(프로그램을 작동시키는) 코드
    app.exec_()

main05.ui

<?xml version="1.0" encoding="UTF-8"?>
<ui version="4.0">
 <class>MainWindow</class>
 <widget class="QMainWindow" name="MainWindow">
  <property name="geometry">
   <rect>
    <x>0</x>
    <y>0</y>
    <width>800</width>
    <height>600</height>
   </rect>
  </property>
  <property name="windowTitle">
   <string>MainWindow</string>
  </property>
  <widget class="QWidget" name="centralwidget">
   <widget class="QLabel" name="lbl">
    <property name="geometry">
     <rect>
      <x>170</x>
      <y>120</y>
      <width>56</width>
      <height>12</height>
     </rect>
    </property>
    <property name="text">
     <string>단수</string>
    </property>
   </widget>
   <widget class="QLineEdit" name="le">
    <property name="geometry">
     <rect>
      <x>230</x>
      <y>120</y>
      <width>113</width>
      <height>20</height>
     </rect>
    </property>
   </widget>
   <widget class="QPushButton" name="pb">
    <property name="geometry">
     <rect>
      <x>170</x>
      <y>160</y>
      <width>171</width>
      <height>31</height>
     </rect>
    </property>
    <property name="text">
     <string>출력하기</string>
    </property>
   </widget>
   <widget class="QTextEdit" name="te">
    <property name="geometry">
     <rect>
      <x>170</x>
      <y>210</y>
      <width>171</width>
      <height>161</height>
     </rect>
    </property>
   </widget>
  </widget>
  <widget class="QMenuBar" name="menubar">
   <property name="geometry">
    <rect>
     <x>0</x>
     <y>0</y>
     <width>800</width>
     <height>21</height>
    </rect>
   </property>
  </widget>
  <widget class="QStatusBar" name="statusbar"/>
 </widget>
 <resources/>
 <connections/>
</ui>