I use QCheckBox in QTableWidgetCell
QWidget *widget = new QWidget();
QCheckBox *checkBox = new QCheckBox();
QHBoxLayout *layout = new QHBoxLayout(widget);
layout->addWidget(checkBox);
layout->setAlignment(Qt::AlignCenter);
layout->setContentsMargins(0, 0, 0, 0);
widget->setLayout(layout);
table->setCellWidget(0, 0, widget);
如何更改单元格背景？
代码：
widget->setStyleSheet("background-color: red");
工作正常，但您需要为添加到表中的每个容器小部件设置样式：
因此，为了查看更改，您需要以下代码：
QWidget *widget = new QWidget();
widget->setStyleSheet("background-color: red");
QCheckBox *checkBox = new QCheckBox();
QHBoxLayout *layout = new QHBoxLayout(widget);
layout->addWidget(checkBox);
layout->setAlignment(Qt::AlignCenter);
layout->setContentsMargins(0, 0, 0, 0);
widget->setLayout(layout);
QWidget *widget2 = new QWidget();
widget2->setStyleSheet("background-color: red");
QCheckBox *checkBox2 = new QCheckBox();
QHBoxLayout *layout2 = new QHBoxLayout(widget2);
layout2->addWidget(checkBox2);
layout2->setAlignment(Qt::AlignCenter);
layout2->setContentsMargins(0, 0, 0, 0);
widget2->setLayout(layout);
ui->tableWidget->setCellWidget(0, 0, widget);
ui->tableWidget->setCellWidget(0, 1, widget2);
结果将是：
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