django admin显示多对多字段ManyToManyField

参考文档https://jingyan.baidu.com/article/4e5b3e190f55c591901e24b3.html

 

admin.py

from .models import *
class bookadmin(admin.modeladmin):
    list_display = ["title","作者"]
    def 作者(self, obj):
             return [bt.name for bt in obj.authors.all()]
    filter_horizontal = ('authors',)  

admin.site.register(book,bookadmin)

 

models.py

class book(models.model):
    title = models.charfield(max_length=32)
    authors = models.manytomanyfield("author")
    def __str__(self):
        return self.title

class author(models.model):
    name = models.charfield(max_length=32)

    def __str__(self):
        return self.name