我正在嘗試使用 python Qt 更改邊框的背景顏色，但只設置了邊框。這是代碼：from PyQt5.QtWidgets import *from PyQt5.QtGui import *from PyQt5.QtCore import * from PyQt5.QtCore import pyqtSlotimport mathimport sysclass Frame(QWidget): def __init__(self): super().__init__() self.initUI() def initUI(self): self.setGeometry(300, 100, 1000, 500) pal = QPalette() self.setAutoFillBackground(True) self.setPalette(pal) button = QPushButton('Clear Knots') button.clicked.connect(quit) pal.setColor(QPalette.Button, QColor(255,0,0,255)) button.setPalette(pal) button.setAutoFillBackground(True) #button.setStyleSheet("background-color: red;") Layout = QGridLayout() Layout.addWidget(button, 2,0) self.setLayout(Layout) self.show()if __name__ == '__main__': app = QApplication(sys.argv) ex = Frame() sys.exit(app.exec_())結果：
1 回答
慕容708150
TA貢獻1831條經驗 獲得超4個贊
嘗試一下：
import sys
from PyQt5.QtWidgets import QWidget, QHBoxLayout, QPushButton, QApplication
from PyQt5.QtGui import QIcon
from PyQt5.QtCore import pyqtSlot, QSize
class Window(QWidget):
def __init__(self, *args, **kwargs):
super(Window, self).__init__(*args, **kwargs)
self.setGeometry(800, 65, 500, 200)
layout = QHBoxLayout(self)
layout.addWidget(QPushButton("red button", self,
objectName="RedButton", minimumHeight=48))
# ----------------------------------------------------------------------
button = QPushButton(' \n PyQt5\n button\n ', self,
objectName="GreenButton", minimumHeight=48)
button.setIcon(QIcon("E:/_Qt/img/qt-logo.png"))
button.setIconSize(QSize(48, 48))
layout.addWidget(button)
# ----------------------------------------------------------------------
layout.addWidget(QPushButton("blue button", self,
objectName="BlueButton", minimumHeight=48))
layout.addWidget(QPushButton("orange button", self,
objectName="OrangeButton", minimumHeight=48))
layout.addWidget(QPushButton("purple button", self,
objectName="PurpleButton", minimumHeight=48))
StyleSheet = '''
QPushButton {
border: none;
}
QPushButton#RedButton {
background-color: #f44336;
}
#RedButton:hover {
background-color: #e57373;
color: #fff;
}
#RedButton:pressed {
background-color: #ffcdd2;
}
#GreenButton {
background-color: #4caf50;
border-radius: 5px;
}
#GreenButton:hover {
background-color: #81c784;
color: #fff;
}
#GreenButton:pressed {
background-color: #c8e6c9;
}
#BlueButton {
background-color: #2196f3;
min-width: 96px;
max-width: 96px;
min-height: 96px;
max-height: 96px;
border-radius: 48px;
}
#BlueButton:hover {
background-color: #64b5f6;
}
#BlueButton:pressed {
background-color: #bbdefb;
}
#OrangeButton {
max-height: 48px;
border-top-right-radius: 20px;
border-bottom-left-radius: 20px;
background-color: #ff9800;
}
#OrangeButton:hover {
background-color: #ffb74d;
}
#OrangeButton:pressed {
background-color: #ffe0b2;
}
QPushButton[text="purple button"] {
color: white;
background-color: #9c27b0;
}
'''
if __name__ == "__main__":
app = QApplication(sys.argv)
app.setStyleSheet(StyleSheet)
w = Window()
w.setWindowTitle("Demo color-button")
w.show()
sys.exit(app.exec_())
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