IOS 向Cell 中添加数据到最后一行

//1.向数组插入数据

[self.allCitiesaddObject:@"上海"];

//向最后一行插入数据,前提一定要先将数据插入到数组中

NSIndexPath*indexPath = [NSIndexPathindexPathForRow:self.allCities.count-1inSection:0];

[self.tableViewinsertRowsAtIndexPaths:@[indexPath]withRowAnimation:UITableViewRowAnimationLeft]