隐藏边框
#隐藏边框 MainWindow.setWindowFlags(QtCore.Qt.FramelessWindowHint) MainWindow.setAttribute(QtCore.Qt.WA_TranslucentBackground)
无边框窗口拖动
from PyQt5.QtWidgets import * from PyQt5.QtCore import * from PyQt5.QtGui import * import sys class Example(QWidget): _startPos = None _endPos = None _isTracking = False def __init__(self): super().__init__() self._initUI() def _initUI(self): self.setFixedSize(QSize(400, 400)) self.setWindowFlags(Qt.FramelessWindowHint) # 无边框 self.setAttribute(QtCore.Qt.WA_TranslucentBackground) self.show() def mouseMoveEvent(self, e: QMouseEvent): # 重写移动事件 self._endPos = e.pos() - self._startPos self.move(self.pos() + self._endPos) def mousePressEvent(self, e: QMouseEvent): if e.button() == Qt.LeftButton: self._isTracking = True self._startPos = QPoint(e.x(), e.y()) def mouseReleaseEvent(self, e: QMouseEvent): if e.button() == Qt.LeftButton: self._isTracking = False self._startPos = None self._endPos = None if __name__ == '__main__': app = QApplication(sys.argv) ex = Example() sys.exit(app.exec_())