最后，只需添加新的主标题，一个用于调整间距的空行以及一个列标题行，如清单13所示。
Finally, it's just a matter of adding the new main title, an empty row for spacing, and a row with the column titles, as Listing 13 shows.
CSV文件的第一行可以是该文件的列标题。
The first line of the CSV file can be the column headings for the file.
pivot表是这样一种数据表，用户可以动态地选择其中的哪些字段被用作行标题、列标题，以及被显示为每个单元格中的数据。
A pivot table is a table in which the user can dynamically choose which fields are used as the row headings, the column headings, and what is shown as the data in each cell.
应用推荐