双击QTableWidget的监听器

from PyQt5.QtWidgets import QApplication, QTableWidget, QTableWidgetItem, QWidget, QVBoxLayout
from PyQt5.QtCore import Qt, QObject, QEvent

class TableWidget(QTableWidget):
    def __init__(self, *args, **kwargs):
        super(TableWidget, self).__init__(*args, **kwargs)
        self.setRowCount(5)
        self.setColumnCount(3)
        for row in range(5):
            for col in range(3):
                item = QTableWidgetItem(f"Item {row},{col}")
                self.setItem(row, col, item)

class EventFilter(QObject):
    def __init__(self, table_widget):
        super(EventFilter, self).__init__()
        self.table_widget = table_widget

    def eventFilter(self, watched, event):
        if event.type() == QEvent.MouseButtonDblClick:
            index = self.table_widget.indexAt(event.pos())
            if index.isValid():
                print(f"Double clicked on row {index.row()}, column {index.column()}")
                # 在这里添加你的处理逻辑
        return super(EventFilter, self).eventFilter(watched, event)

app = QApplication([])
window = QWidget()
layout = QVBoxLayout(window)
table = TableWidget()
layout.addWidget(table)

filter = EventFilter(table)
table.installEventFilter(filter)

window.show()
app.exec_()