PyQt5實戰——《點擊事件》

演示

代碼

from PyQt5.QtWidgets import *
import sys

class pushButton(QWidget):
    def __init__(self):
        super(pushButton,self).__init__()
        # 對方法進行調用
        self.initUI()


    def initUI(self):
        # 設置為水平布局
        layout=QHBoxLayout()
        # 實例化按鈕
        button1 = QPushButton('按鈕1')
        button2 = QPushButton('按鈕2')
        button3 = QPushButton('關閉')
        # 設置點擊事件
        button1.clicked.connect(self.click)
        button2.clicked.connect(self.click)
        button3.clicked.connect(self.close)
        # 設置文本接收框
        self.textEdit=QTextBrowser()
        # 布局到窗口上
        layout.addWidget(button1)
        layout.addWidget(button2)
        layout.addWidget(button3)
        layout.addWidget(self.textEdit)
        # 添加布局到布局上
        self.setLayout(layout)
    def click(self):
        # 獲取信號與槽
        button = self.sender()
        print(button.text())
        # 獲取 TextEdit的被設置的text值
        self.textEdit.setText("點擊了"+button.text())

if __name__ == '__main__':
    app = QApplication(sys.argv)
    main = pushButton()
    main.show()
    sys.exit(app.exec_())