django导出xls，csv文件解决中文乱码问题

-- coding: utf-8 --

import time
import xlwt
from io import BytesIO
from django.http import HttpResponse
from JiWu.query import *

def export_excel(request):
# 设置HTTPResponse的类型
response = HttpResponse(content_type='application/vnd.ms-excel')
response['Content-Disposition'] = 'attachment;filename=order.xls'
# 创建一个文件对象
wb = xlwt.Workbook(encoding='utf8')
# 创建一个sheet对象
sheet = wb.add_sheet('picSum')
columns = ["","","","",""]
columnHeight = [1,1,1,1,1]

# 设置文件头的样式,这个不是必须的可以根据自己的需求进行更改
style_heading = xlwt.easyxf("""
        font:
            name Arial,
            colour_index white,
            bold on,
            height 0xA0;
        align:
            wrap off,
            vert center,
            horiz center;
        pattern:
            pattern solid,
            fore-colour 0x19;
        borders:
            left THIN,
            right THIN,
            top THIN,
            bottom THIN;
        """)

# 写入文件标题
sheet.write(0,0,'编号',style_heading)
sheet.write(0,1,'名称',style_heading)
sheet.write(0,2,'联系方式',style_heading)
sheet.write(0,3,'公司',style_heading)
sheet.write(0,4,'店铺',style_heading)
sheet.write(0,5,'处理时间',style_heading)
sheet.col(2).width = 3000
sheet.col(3).width = 3000
sheet.col(4).width = 5000
sheet.col(5).width = 3000
# 写入数据
data_row = 1
# UserTable.objects.all()这个是查询条件,可以根据自己的实际需求做调整.
for i in select_many("select u.id,u.name,u.phone,s.company,s.shop,u.register from user u join shop s on u.belong_id=s.id"):
    # 格式化datetime
    # pri_time = i.pri_date.strftime('%Y-%m-%d')
    reg_time = time.strftime('%Y-%m-%d',time.localtime(i[5]))
    sheet.write(data_row,0,i[0])
    sheet.write(data_row,1,i[1])
    sheet.write(data_row,2,i[2])
    sheet.write(data_row,3,i[3])
    sheet.write(data_row,4,i[4])
    sheet.write(data_row,5,reg_time)
    data_row = data_row + 1

# 写出到IO
output = BytesIO()
wb.save(output)
# 重新定位到开始
output.seek(0)
response.write(output.getvalue())
return response

def exportmysql(request):
import codecs
import csv
# 指定csv请求回应
response = HttpResponse(content_type='text/csv')

results = select_many("select id,name,phone from user")
# 声明一个csv的响应
response['Content-Disposition'] = 'attachment; filename="asd.csv"'
# csv的响应的编码格式声明
response.write(codecs.BOM_UTF8)
writer = csv.writer(response)
for result in results:
    writer.writerow([obj.encode('utf-8') if type(obj)==u'中' else obj for obj in result])
    # i = i + 1
response.close()
return response