Python基于xlwt库导出excel文件

实列代码：

import xlwt
import time
from io import BytesIO
from flask import make_response

def export_navi():
    """
    导出excel数据
    :param req:
    :return:
    """
    # 获取数据列表
    devices = get_navi_page()
    try:
    	# 创建Workbook，相当于创建Excel
        book = xlwt.Workbook(encoding='utf-8') 
        sheet = book.add_sheet('Sheet1', cell_overwrite_ok=True)
        row0 = ['所用卡ID', '定位时间', '经度', '维度', '航向', '航速']
        # 设置列宽
        sheet.col(0).width = 6000
        sheet.col(1).width = 3000
        sheet.col(2).width = 3000
        sheet.col(3).width = 6000
        sheet.col(4).width = 3000
        sheet.col(5).width = 3000
        sheet.col(6).width = 3000
        sheet.col(7).width = 12000
        # 写入excel表头
        for i in range(0, len(row0)):
            sheet.write_merge(0, 0, i, i, row0[i], set_style('Times New Roman', 220, True))
		# 写入excel
        for k, v in enumerate(devices, start=1):
            sheet.write(k, 0, num)
            sheet.write(k, 1, v.get("strftime"))
            sheet.write(k, 2, v.get("longitude"))
            sheet.write(k, 3, v.get("latitude"))
            sheet.write(k, 4, v.get("direction"))
            sheet.write(k, 5, v.get("speed"))

        # 通过浏览器下载到客户端
        output = BytesIO()
        book.save(output)
        output.seek(0)
        response = make_response(output.getvalue())
        output.close()  # 关掉流
        response.headers["Content-Disposition"] = "attachment; filename=navi"+time.strftime("%Y%m%d%H%M%S", time.localtime(time.time()))+".xlsx"
        response.headers['Content-Type'] = 'application/x-xlsx'
        return response
    except BaseException as e:
        response = {
            'code': 1,
            'msg': '下载失败'
        }
        return jsonify(response), 400

# 设置style格式
def set_style(name, height, bold=False):
    """
    excel样式
    :param name: 字体名
    :param height: 调度
    :param bold: 边框
    :return:
    """
    style = xlwt.XFStyle()  # 初始化样式
    font = xlwt.Font()  # 为样式创建字体
    font.name = name  # 'Times New Roman'
    font.bold = bold
    font.color_index = 000
    font.height = height
    style.font = font

    return style