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需要先设置好行数
// 先设置好表格的总行数
int rowsize = 10;
ui->tableWidget->setRowCount(rowsize);//总行数
然后就可以正常添加单元格了
for(int row=0; row<ui->tableWidget->rowCount(); row++) { QTableWidgetItem *item_a= new QTableWidgetItem ("a"); QTableWidgetItem *item_b = new QTableWidgetItem ("b"); QTableWidgetItem *item_c = new QTableWidgetItem ("c"); QTableWidgetItem *item_d = new QTableWidgetItem ("d"); QTableWidgetItem *item_e = new QTableWidgetItem ("e"); QTableWidgetItem *item_f = new QTableWidgetItem ("f"); // 添加单元格 ui->tableWidget_right->setItem(row,0,item_a); ui->tableWidget_right->setItem(row,1,item_b); ui->tableWidget_right->setItem(row,2,item_c); ui->tableWidget_right->setItem(row,3,item_d ); ui->tableWidget_right->setItem(row,4,item_e ); ui->tableWidget_right->setItem(row,5,item_f); }
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