按enter键时PyQt QLineEdit散焦

from PyQt5.QtWidgets import QApplication, QLineEdit, QWidget
from PyQt5.QtCore import Qt

class MyWidget(QWidget):
    def __init__(self):
        super().__init__()

        self.line_edit = QLineEdit(self)
        self.line_edit.returnPressed.connect(self.handle_focus_out)

    def handle_focus_out(self):
        # 处理散焦事件的逻辑
        print("QLineEdit散焦")

    def focusOutEvent(self, event):
        # 重新实现focusOutEvent方法
        super().focusOutEvent(event)
        self.handle_focus_out()

if __name__ == "__main__":
    app = QApplication([])
    widget = MyWidget()
    widget.show()
    app.exec_()