整行选中：
ui.tableWidget->setSelectionBehavior ( QAbstractItemView::SelectRows); //设置选择行为，以行为单位
ui.tableWidget->setSelectionMode ( QAbstractItemView::SingleSelection); //设置选择模式，选择单行
禁止编辑：
ui.tableWidget->setEditTriggers ( QAbstractItemView::NoEditTriggers );
关于编辑状态的文档：
| Constant | Value | Description |
|---|---|---|
| QAbstractItemView::NoEditTriggers | 0 | No editing possible. |
| QAbstractItemView::CurrentChanged | 1 | Editing start whenever current item changes. |
| QAbstractItemView::DoubleClicked | 2 | Editing starts when an item is double clicked. |
| QAbstractItemView::SelectedClicked | 4 | Editing starts when clicking on an already selected item. |
| QAbstractItemView::EditKeyPressed | 8 | Editing starts when the platform edit key has been pressed over an item. |
| QAbstractItemView::AnyKeyPressed | 16 | Editing starts when any key is pressed over an item. |
| QAbstractItemView::AllEditTriggers | 31 | Editing starts for all above actions. |