{"id":389,"date":"2007-04-22T20:52:00","date_gmt":"2007-04-22T20:52:00","guid":{"rendered":"http:\/\/www.sincebirth.cn\/?p=389"},"modified":"2007-04-22T20:52:00","modified_gmt":"2007-04-22T20:52:00","slug":"django-models-field-options","status":"publish","type":"post","link":"https:\/\/sincebirth.space\/?p=389","title":{"rendered":"Django Models Field options"},"content":{"rendered":"
\n

       \u5bf9\u4e8e\u6240\u6709\u7c7b\u578b\u5b57\u6bb5\u90fd\u53ef\u7528\u7684\u4e00\u4e9b\u5c5e\u6027\uff1a<\/font><\/span><\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
\n

null<\/font><\/span><\/p>\n<\/td>\n

\n

False<\/font><\/span><\/p>\n<\/td>\n

\n

\n<\/td>\n<\/tr>\n

\n

blank<\/font><\/span><\/p>\n<\/td>\n

\n

\n<\/td>\n

\n

\u7528\u4e8e\u8868\u5355\u6821\u9a8c<\/font><\/span><\/p>\n<\/td>\n<\/tr>\n

\n

choices<\/font><\/span><\/p>\n<\/td>\n

\n

\n<\/td>\n

\n

\u7531\u4e8c\u5143\u7ec4\u7684\u53ef\u679a\u4e3e\u96c6\u5408\uff08list<\/span>\u6216tuple<\/span>\u6216\u5176\u4ed6\uff09\u6240\u4ee3\u8868\u7684\u5b57\u6bb5\u53ef\u9009\u503c<\/font><\/span><\/p>\n

class Foo(models.Model):<\/span><\/p>\n

    <\/span>GENDER_CHOICES = (<\/span><\/p>\n

        <\/span>(‘M’, ‘Male’),<\/span><\/p>\n

        <\/span>(‘F’, ‘Female’),<\/span><\/p>\n

    <\/span>)<\/span><\/p>\n

    <\/span>gender = models.CharField(maxlength=1, choices=GENDER_CHOICES)<\/span><\/p>\n<\/td>\n<\/tr>\n

\n

core<\/font><\/span><\/p>\n<\/td>\n

\n

\n<\/td>\n

\n

\u4ee5\u5185\u8054\u65b9\u5f0f\u7f16\u8f91\u5bf9\u8c61<\/font><\/span><\/p>\n<\/td>\n<\/tr>\n

\n

db_column<\/font><\/span><\/p>\n<\/td>\n

\n

\n<\/td>\n

\n

\u7528\u4e8e\u6807\u6ce8\u5bf9\u5e94\u4e8e\u5b57\u6bb5\u5c5e\u6027\u7684\u6570\u636e\u5e93\u5217\u540d\u79f0<\/font><\/span><\/p>\n<\/td>\n<\/tr>\n

\n

db_index<\/font><\/span><\/p>\n<\/td>\n

\n

\n<\/td>\n

\n

\u4e3aTrue<\/span>\u5219django-admin.py sqlindexes<\/span>\u4f1a\u4e3a\u6b64\u8bed\u53e5\u8f93\u51fa\u4e00\u4e2aCREATE INDEX<\/span>\u8bed\u53e5<\/font><\/span><\/p>\n<\/td>\n<\/tr>\n

\n

default<\/font><\/span><\/p>\n<\/td>\n

\n

\n<\/td>\n

\n

\u9ed8\u8ba4\u503c<\/font><\/span><\/p>\n<\/td>\n<\/tr>\n

\n

editable<\/font><\/span><\/p>\n<\/td>\n

\n

True<\/font><\/span><\/p>\n<\/td>\n

\n

\n<\/td>\n<\/tr>\n

\n

help_text<\/font><\/span><\/p>\n<\/td>\n

\n

\n<\/td>\n

\n

\u7528\u4e8e\u663e\u793a\u5728admin<\/span>\u8868\u5355\u4e2d\u7684\u989d\u5916\u5e2e\u52a9\u4fe1\u606f<\/font><\/span><\/p>\n<\/td>\n<\/tr>\n

\n

primary_key<\/font><\/span><\/p>\n<\/td>\n

\n

\n<\/td>\n

\n

\u4e3b\u952e\uff0c\u4e00\u4e2aobject<\/span>\u53ea\u80fd\u6709\u4e00\u4e2a\u4e3b\u952e<\/font><\/span><\/p>\n<\/td>\n<\/tr>\n

\n

radio_admin<\/font><\/span><\/p>\n<\/td>\n

\n

\n<\/td>\n

\n

\u9ed8\u8ba4\u60c5\u51b5\u4e0bDjango admin<\/span>\u7528\u4e0b\u62c9\u6846\u6765\u9009\u62e9ForeighKey<\/span>\u6216choices<\/span><\/font><\/span><\/p>\n<\/td>\n<\/tr>\n

\n

unique<\/font><\/span><\/p>\n<\/td>\n

\n

\n<\/td>\n

\n

\u8be5\u5b57\u6bb5\u503c\u5728\u8868\u4e2d\u662f\u552f\u4e00\u7684\uff0c\u8be5\u9009\u9879\u540c\u65f6\u7ea6\u675f\u5728\u6570\u636e\u5e93\u7ea7\u522b\u548cDjano admin<\/span>\u8868\u5355\u4e2d<\/font><\/span><\/p>\n<\/td>\n<\/tr>\n

\n

unique_for_date<\/font><\/span><\/p>\n<\/td>\n

\n

\n<\/td>\n

\n

Django admin<\/span>\u8868\u5355\u9a8c\u8bc1\uff0c\u4f30\u8ba1\u53ef\u9632\u6b62\u91cd\u590d\u63d0\u4ea4<\/span><\/font><\/p>\n<\/td>\n<\/tr>\n

\n

unique_for_month<\/font><\/span><\/p>\n<\/td>\n

\n

\n<\/td>\n

\n

title(unique_for_month="pub_date")<\/font><\/span><\/p>\n<\/td>\n<\/tr>\n

\n

unique_for_year<\/font><\/span><\/p>\n<\/td>\n

\n

\n<\/td>\n

\n

\n<\/td>\n<\/tr>\n

\n

validator_list<\/font><\/span><\/p>\n<\/td>\n

\n

field_data\/all_data<\/font><\/span><\/p>\n<\/td>\n

\n

django.core.validators<\/font><\/span><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

       \u5bf9\u4e8e\u6240\u6709\u7c7b\u578b\u5b57\u6bb5\u90fd\u53ef\u7528\u7684\u4e00\u4e9b\u5c5e\u6027\uff1a … \u7ee7\u7eed\u9605\u8bfb\u201cDjango Models Field options\u201d<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-389","post","type-post","status-publish","format-standard","hentry","category-all"],"views":1715,"_links":{"self":[{"href":"https:\/\/sincebirth.space\/index.php?rest_route=\/wp\/v2\/posts\/389","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sincebirth.space\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sincebirth.space\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/sincebirth.space\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/sincebirth.space\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=389"}],"version-history":[{"count":0,"href":"https:\/\/sincebirth.space\/index.php?rest_route=\/wp\/v2\/posts\/389\/revisions"}],"wp:attachment":[{"href":"https:\/\/sincebirth.space\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=389"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sincebirth.space\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=389"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sincebirth.space\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=389"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}