本篇文章為大家展示了python中寫入excel的方法有哪些,內容簡明扼要并且容易理解,絕對能使你眼前一亮,通過這篇文章的詳細介紹希望你能有所收獲。
首先使用openpyxl進行寫入操作,代碼如下:
book = openpyxl.Workbook()
auths = Auth.objects.filter(owner_id=1)
filename = '導出數據'
for auth in auths:
sheet = book.create_sheet(auth.name, index = 0)
sheet.append([
_("書名"),
_("作者"),
_("譯者"),
_("出版社"),
_("序列號"),
_("總頁數"),
])
objs = None
objs = Book.objects.filter(owner_id=auth.id)
for u in objs:
data = []
data.append(u.name)
data.append(auth.name)
data.append(u.translator)
data.append(u.press)
data.append(u.serializer)
data.append(u.page)
sheet.append(data)
return ExcelBookResponse(book, filename)
使用xlwt寫入數據:
book = xlwt.Workbook()
auths = Auth.objects.filter(owner_id=1)
filename = '導出數據'
for auth in auths:
sheet = book.add_sheet(sensor.name)
sheet.write(0, 0, _("書名"))
sheet.write(0, 1, _("作者"))
sheet.write(0, 2, _("譯者"))
sheet.write(0, 3, _("出版社"))
sheet.write(0, 4, _("序列號"))
sheet.write(0, 5, _("總頁數"))
i = 1
objs = None
objs = Book.objects.filter(owner_id=auth.id)
for u in objs:
sheet.write(i, 0, u.name)
sheet.write(i, 1, auth.name)
sheet.write(i ,2,u.translator)
sheet.write(i ,3,u.press)
sheet.write(i, 4, u.serializer)
sheet.write(i, 5, u.page)
i += 1
return ExcelBookResponse(book, filename)使用XlsxWriter寫入數據:
book = xlsxwriter.Workbook(output)
auths = Auth.objects.filter(owner_id=1)
for auth in auths:
sheet = book.add_worksheet(sensor.name)
header = [
_("書名"),
_("作者"),
_("譯者"),
_("出版社"),
_("序列號"),
_("總頁數"),
]
sheet.write_row("A1", header)
objs = Book.objects.filter(owner_id=auth.id)
i = 1
for u in objs:
sheet.write(i, 0, u.name)
sheet.write(i, 1, auth.name)
sheet.write(i ,2,u.translator)
sheet.write(i ,3,u.press)
sheet.write(i, 4, u.serializer)
sheet.write(i, 5, u.page)
i += 1
book.close()
file_ext = 'xlsx'
mimetype = 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet'
# self['Content-Disposition'] = 'attachment; filename*=UTF-8\'\'"{2}.{1}"; filename="{0}.{1}"'.format(filename.replace('"', '\"'), file_ext, urllib.parse.quote(filename.replace('"', '\"'))).encode('utf8')
return HttpResponse(content=output.getvalue(), content_type=mimetype)三者的時間比較(兩種方式的文件內容是一樣的):
openpyxl: 文件大小為110.75kb, 平均時間大約為570ms
xlwt: 文件大小為505.91kb,平均時間大約為440ms
XlsxWrite: 文件大小為109.28kb,平均時間大約為500ms
xlwt寫入的行數有限制,因此對于較大的文件來說,XlsxWrite的速度較快一點
補充知識:python寫入excel文件太慢如何解決-python往excel寫入大量數據
目前用的openpyxl,從數據庫獲取8W行的數據通過openpyxl寫入excel,要花費接近8分鐘,這也太慢了,用kettle的插件秒進,python有什么方法能提升速度么,或者openpyxl能批量插入么,按行效率太低了
#!/usr/bin/python # -*- coding: UTF-8 -*- from openpyxl import Workbook as wbook def xlsx(filename, rows_info, sheet='Result'): if filename and sheet: wb = wbook() _sheet = wb.active _sheet.title = sheet row = _sheet.max_row for line in rows_info: if isinstance(line, str): row_list = [line] elif isinstance(line, dict): row_list = list(line.values()) else: try: row_list = list(line) except: row_list = [] for col in range(0, len(row_list)): col_info = row_list[col] _sheet.cell(row, col + 1, col_info) row += 1 wb.save(filename) else: return '文件和sheet不能為空'
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