django后台admin csv 格式表格导出

1.在app下新建一个.py文件  此例commen.py

　　commen.py （内容）（具体怎么导出的也不知道这么写就对了）

import csv

from django.http import HttpResponse

def export_as_csv_action(description='Export selected objects as csv file',
                        fields=None,exclude=None,header=True):
    def export_as_csv(modeladmin,request,queryset):
        opts=modeladmin.model._meta
        if not fields:
            field_names=[field for field in opts]
        else:
            field_names=fields

        response = HttpResponse( content_type = 'text/csv')
        response['Content-Disposition']='attachment;filename={}.csv'.format(opts.verbose_name.encode('utf-8'))
        writer = csv.writer(response)
        if header:
            writer.writerow(field_names)
        for obj in queryset:
        # 正常的这样处理就行了
            row = [getattr(obj,field)()if callable(getattr(obj,field))else getattr(obj,field) for field in field_names]

        # 如果新添处理功能比如处理下时间的显示格式
        # row=[]
        # forfieldinfield_names:
        # value=getattr(obj,field)
        # ifisinstance(value,datetime.datetime):
        # value=value.'WW^sY')
        # row.append(value)

            writer.writerow(row)
        return response
    export_as_csv.short_description = description
    return export_as_csv

2.在app下的admin.py
(1)导入刚才封装的函数

　　　　from .commen import export_as_csv_action

（2）如下操作

@admin.register(ECS)
class BlogAdmin(admin.ModelAdmin):
    list_display=( 'name','type','outer_net', 'inner_mesh', 'configure','strip_width','account_number','password','group','aliyun','expire_date','state')
    list_per_page = 30
    actions=[export_as_csv_action("导出Execl",fields=['name','type','outer_net', 'inner_mesh', 'configure','strip_width','account_number','password','group','aliyun','expire_date','state'])]

    search_fields =('name','type','outer_net', 'inner_mesh', 'configure','strip_width','account_number','password','group','aliyun','expire_date')
    date_hierarchy = "expire_date"