十二、Django学习之优化admin (2020-03-13 18:57)

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没有如下配置将会报错：(translation.E004) You have provided a value for 
the LANGUAGE_CODE setting that is not
 in the LANGUAGES setting.
django3.0开始LANGUAGE_CODE前面必须配相应的LANGUAGES配置如下：
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from django.utils.translation import gettext_lazy as _
LANGUAGES = [
    (‘zh-Hans‘, _(‘Chinese‘)),
]

# LANGUAGE_CODE = ‘en-us‘
LANGUAGE_CODE = ‘zh-Hans‘
TIME_ZONE = ‘Asia/Beijing‘


 # 设置为False，要不然数据库时间和当前时间不一致
USE_TZ = False  

class my_app_admin(admin.ModelAdmin):

    # 表里面的字段内容全部显示出来
    list_display = [‘name‘,‘sex‘,‘birth‘,‘city‘,‘likes‘]
   
admin.site.register(models.my_app,my_app_admin)

# search_fields，可以新增搜索框，用户可以按照元组中的字段进行搜索
search_fields = (‘name‘,‘sex‘)

# 按照birth排序加-表示降序从大到小，可以填写多个字段,ordering字段继承自Model的父类
    ordering = (‘-birth‘,)
    # ordering = (‘-birth‘,‘city‘)

# 每页显示x条
 list_per_page = 2

# 可点击的链接字段
list_display_links = ("likes",)

# 列表页可编辑字段
list_editable = ("birth",)

# 按时间分层
 date_hierarchy = "birth"