m_table->setColumnWidth(0,200);//设置第0列列宽 m_table->horizontalHeader()->setDefaultAlignment(Qt::AlignCenter);//表头居中对齐 m_table->horizontalHeaderItem(0)->setTextAlignment(Qt::AlignRight);//设置第0列列宽 m_table->setSelectionBehavior(QAbstractItemView::SelectRows);//以行为单位选择 //m...