XlsxWriter 介绍
XlsxWriter是基于Python的，用来操作Excel的库。100%支持xlsx文件的写入操作。
示例代码：
from xlsxwriter.workbook import Workbook
# Create an new Excel file and add a worksheet.
workbook = Workbook('demo.xlsx')
worksheet = workbook.add_worksheet()
# Widen the first column to make the text clearer.
worksheet.set_column('A:A', 20)
# Add a bold format to highlight cell text.
bold = workbook.add_format({'bold': 1})
# Write some simple text.
worksheet.write('A1', 'Hello')
# Text with formatting.
worksheet.write('A2', 'World', bold)
# Write some numbers, with row/column notation.
worksheet.write(2, 0, 123)
worksheet.write(3, 0, 123.456)
workbook.close()