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Python PyQt5學(xué)習(xí)之樣式設(shè)置詳解

 更新時(shí)間:2022年12月02日 10:01:20   作者:SongYuLong的博客  
這篇文章主要為大家詳細(xì)介紹了Python PyQt5中樣式設(shè)置的相關(guān)資料,例如為標(biāo)簽添加背景圖片、為按鈕添加背景圖片、設(shè)置窗口透明等,感興趣的可以學(xué)習(xí)一下

為標(biāo)簽添加背景圖片

import sys
from PyQt5.QtGui import *
from PyQt5.QtCore import *
from PyQt5.QtWidgets import *

if __name__ == "__main__":
    app = QApplication(sys.argv)
    win = QMainWindow()
    label = QLabel()
    label.setToolTip("這是一個(gè)文本標(biāo)簽")
    label.setStyleSheet("QLabel{border-image:url(./pyqt5/images/python.jpg)};")
    label.setFixedWidth(320)
    label.setFixedHeight(200)

    win.setCentralWidget(label)
    win.show()
    sys.exit(app.exec_())

為按鈕添加背景圖片

import sys
from PyQt5.QtGui import *
from PyQt5.QtCore import *
from PyQt5.QtWidgets import *

if __name__ == "__main__":
    app = QApplication(sys.argv)
    win = QWidget()
    layout = QVBoxLayout()
    btn1 = QPushButton("按鈕1")
    btn1.setMaximumSize(48, 48)
    btn1.setMinimumSize(48, 48)
    style = '''
        QPushButton {
            border-radius: 30px;
            background-image: url('./pyqt5/images/left.png');
        }
    '''
    btn1.setStyleSheet(style)
    layout.addWidget(btn1)
    win.setLayout(layout)
    win.show()
    sys.exit(app.exec_())

import sys
from PyQt5.QtGui import *
from PyQt5.QtCore import *
from PyQt5.QtWidgets import *


if __name__ == "__main__":
    app = QApplication(sys.argv)
    win = QWidget()
    btn1 = QPushButton("按鈕1")
    btn1.setFixedSize(50, 50)
    btn1.setObjectName("btn1")
    style = '''
        #btn1{
            border-radius: 30px;
            background-image: url('./pyqt5/images/left.png')
        }

        #btn1:hover{
            border-radius: 30px;
            background-image: url('./pyqt5/images/leftHover.png')
        }

        #btn1:Pressed{
            border-radius: 30px;
            background-image: url('./pyqt5/images/leftPressed.png')
        }
    '''
    btn1.setStyleSheet(style)
    layout = QVBoxLayout()
    layout.addWidget(btn1)
    win.setLayout(layout)
    win.show()
    sys.exit(app.exec_())

縮放圖片

import sys
from PyQt5.QtGui import *
from PyQt5.QtCore import *
from PyQt5.QtWidgets import *

if __name__ == "__main__":
    app = QApplication(sys.argv)
    win = QWidget()
    pic = r"./pyqt5/images/Cloudy_72px.png"
    img = QImage(pic)
    label1 = QLabel()
    label1.setFixedWidth(120)
    label1.setFixedHeight(120)
    result = img.scaled(label1.width(), label1.height(), Qt.IgnoreAspectRatio, Qt.SmoothTransformation)

    label1.setPixmap(QPixmap.fromImage(result))
    label2 = QLabel()
    label2.setPixmap(QPixmap.fromImage(img))
    layout = QVBoxLayout()
    layout.addWidget(label2)
    layout.addWidget(label1)
    win.setLayout(layout)
    win.show()
    sys.exit(app.exec_())

設(shè)置窗口透明

import sys

from PyQt5.QtGui import *
from PyQt5.QtCore import *
from PyQt5.QtWidgets import *

if __name__ == "__main__":
    app = QApplication(sys.argv)
    win = QMainWindow()
    win.setWindowTitle("設(shè)置窗口透明")
    win.setWindowOpacity(0.5) # 設(shè)置窗口透明  透明度取值范圍:0.0(全透明)~1.0(不透明),默認(rèn)值1.0
    win.show()
    sys.exit(app.exec_())

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