NSIndexPath has many uses, through which you can get the specific row of the tableview. And there are many APIs that need to be passed in.
NSIndexPath *temp = [NSIndexPath indexPathForRow:_selectRow inSection:0];
Through this method, you can get the NSIndexPath of the row by passing in a specific row.
UITableViewCell *checkCell = [tableView cellForRowAtIndexPath:temp];
In this way, you can get the cell of the row (_selectRow)
NSIndexPath *myIndex = [_wifi_detali_tableView indexPathForCell:(UITableViewCell*)fooCell];
In this way, you can get the NSIndexPath of the row where the cell is located by passing in a cell.