使用函式，返回要顯示的內容，如效果圖models.py檔案
tags 函式，
class article(models.model):"""文章表"""
title = models.charfield(max_length=255,unique=true,verbose_name="標題" )
content = models.textfield(verbose_name="文章內容",null=true)
account = models.foreignkey("account",verbose_name="作者",on_delete=models.cascade)
tag = models.manytomanyfield("tag",verbose_name="標籤",blank=true)
pub_date = models.datetimefield(verbose_name="發布時間")
read_count = models.integerfield(default=0,verbose_name="閱讀量")
def tags(self):
return ','.join([i.name for i in self.tag.all()]) #通過生成器，和字串拼接函式join
admin.py
from django.contrib import admin# register your models here.
class accountadmin(admin.modeladmin):
search_fields = ['username',]
list_display = ('username','email','signature')
list_per_page = 3
list_display_links = ('email','username')
list_editable = ['signature',]
class articleadmin(admin.modeladmin):
list_display = ('title','account','read_count','tags')#顯示出def tags的返回值
search_fields = ('title','content')
#list_filter = ('tag',)
#fields = ('title','content',('pub_date','read_count'),)
#exclude = ('pub_date',)
#date_hierarchy = 'pub_date'
fieldsets = (
('文章相關',),
('發布相關',)
)#radio_fields =
autocomplete_fields = ['account',]
#raw_id_fields = ['account',]
readonly_fields = ['read_count',]
filter_horizontal = ('tag',)
#filter_vertical = ('tag',)
admin.site.register(models.account,accountadmin)
admin.site.register(models.tag)
admin.site.register(models.article,articleadmin)
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