DjangoadminForeignkeyManyToManylist_display展示

class Ghost(models.Model):
create = models.DateTimeField(default=timezone.now, help_text='创建时间')
update = models.DateTimeField(auto_now=True, help_text='修改时间')
speed = models.IntegerField(default=0, help_text='速度')
name = models.CharField(max_length=64, help_text='名称')


class InstanceTask(models.Model):
create = models.DateTimeField(default=timezone.now, help_text='创建时间')
update = models.DateTimeField(auto_now=True, help_text='修改时间')
name = models.CharField(max_length=64, help_text='副本名称')

class InstanceTaskMap(models.Model):
create = models.DateTimeField(default=timezone.now, help_text='创建时间')
update = models.DateTimeField(auto_now=True, help_text='修改时间')
name = models.CharField(max_length=64, help_text='地图名称')
ghosts = models.ManyToManyField(Ghost, help_text='Ghost')
instance_task = models.ForeignKey(InstanceTask, related_name='instancetask_instancetaskmap', blank=True, null=True,
help_text='副本任务', on_delete=models.SET_NULL)

class InstanceTaskMapAdmin(admin.ModelAdmin):
list_display = ('name', 'instance_task', 'id', 'index', 'get_ghost_name', 'introduction')

# https://blog.csdn.net/weixin_42134789/article/details/83686664
def get_ghost_name(self, obj):
ghost_list = []
for g in obj.ghosts.all():
ghost_list.append(g.ghost.name)
return ','.join(ghost_list)

get_ghost_name.short_description = "Ghosts"

class InstanceTaskAdmin(admin.ModelAdmin):
list_display = ('name', 'id', 'need_level', 'times_limit', 'instance_type','get_map_list', 'introduction')

def get_map_list(self, obj):
map_list = []
for g in obj.instancetask_instancetaskmap.all().order_by('index'):
map_list.append(g.name + '(' + str(g.index) + ')')
return ','.join(map_list)

get_map_list.short_description = "Maps"