Django\u672d\u8bb0 \u4e8c\uff1aadmin\u7684list_display\u53d8\u91cf <\/p>\n
2015-11-09 10:34:45<\/p>\n
Django\u7684MdoelAdmin\u6709\u4e00\u4e9b\u5168\u5c40\u53d8\u91cf\uff0c\u90fd\u662f\u975e\u5e38\u5173\u952e\u7684\uff0c\u5176\u4e2d\u4e00\u4e2a\u53d8\u91cf\u5c31\u662flist_display\u3002\u5b83\u7684\u9ed8\u8ba4\u503c\uff1a(‘__str__’,)\uff0c\u4e5f\u53ef\u4ee5\u662f(‘__unicode__’,)\uff1b\u4ece\u8fd9\u4e2a\u53ef\u4ee5\u770b\u51falist_display\u662f\u4e00\u4e2a\u5217\u8868\uff0c\u4f5c\u7528\u662f\u8bbe\u7f6eadmin\u7684change_list\u9875\u9762\u663e\u793amodel\u7eaa\u5f55\u7684\u5b57\u6bb5\uff0c\u6240\u4ee5list\u7684\u503c\u662fmodel\u7684\u5b57\u6bb5\u3002\u4f46\u5728\u5b9e\u9645\u7684\u4e1a\u52a1\u6d41\u7a0b\u4e2d\u662f\u4e0d\u80fd\u591f\u6ee1\u8db3\u8981\u6c42\u7684\uff0c\u6bd4\u5982\u663e\u793a\u9500\u552e\u804c\u5458\u7684\u603b\u9500\u91cf\uff0c\u8fd9\u4e2a\u9500\u91cf\u6570\u636e\u662f\u5728\u53e6\u4e00\u4e2a\u9500\u91cfmodel(Sales)\u91cc\uff0c\u662f\u9700\u8981\u52a8\u6001\u8ba1\u7b97\u800c\u51fa\uff1b\u50cf\u8fd9\u6837\u7684\u60c5\u51b5\uff0cDjango\u7ed9\u51fa\u4e86\u4e00\u4e2a\u65b9\u6cd5\uff1a<\/p>\n
class XXXAdmin(admin.ModelAdmin) :
\n list_display = (‘username’,’get_user_sales’)<\/p>\n
def get_user_sales(self,obj) :
\n numbers = 0
\n for sale in Sales.objects.filter(user=obj) :
\n numbers += sale.number
\n return numbers
\n get_user_sales.short_description = u’\u7d2f\u8ba1\u9500\u91cf’<\/p>\n
\u5176\u4e2dobj\u5c31\u662f\u5f53\u524dmodel\u7684object\u3002
\n list_display\u53d8\u91cf\u8fd8\u6709\u4e00\u4e2a\u5bf9\u5e94\u65b9\u6cd5:get_list_display(self,request)\uff0c\u6e90\u4ee3\u7801\uff1a<\/p>\n
def get_list_display(self, request):
\n “””
\n Return a sequence containing the fields to be displayed on the
\n changelist.
\n “””
\n return self.list_display<\/p>\n
\u53ea\u6709\u4e00\u6761\u8fd4\u56de\u8bed\u53e5\uff0c\u8fd4\u56de\u5168\u5c40\u53d8\u91cflist_display\u3002\u5728\u5176\u5b83\u5730\u65b9\u9700\u8981\u4f7f\u7528\u5230\u8fd9\u4e2alist_diaplay\u53d8\u91cf\uff0c\u90fd\u662f\u8c03\u7528\u8fd9\u4e2a\u51fd\u6570\u7684\u3002\u4e3a\u4ec0\u4e48\u4e0d\u76f4\u63a5\u8c03\u7528\u5168\u5c40\u53d8\u91cf\u5462\uff1f\u4f1a\u4e0d\u4f1a\u662f\u591a\u6b64\u4e00\u4e3e\u5462\uff1f\u5176\u5b9eDjango\u7ed9\u4e86\u6211\u4eec\u66f4\u5927\u7684\u53d1\u5c55\u7a7a\u95f4\uff0c\u8bd5\u60f3\u4e00\u4e0b\uff1a\u4e00\u4e2amodel\u53ef\u80fd\u6709\u5f88\u591a\u7684\u5b57\u6bb5\uff0c\u4f46\u4e0d\u53ef\u80fd\u5168\u90e8\u663e\u793a\u51fa\u6765\uff0c\u8fd9\u6837\u9875\u9762\u80af\u5b9a\u4e0d\u597d\u770b\uff0c\u800c\u4e14\u4e0d\u540c\u7684\u7528\u6237\u5bf9\u5b57\u6bb5\u7684\u4fa7\u91cd\u70b9\u662f\u4e0d\u540c\u7684\u3002\u6240\u4ee5\u6709\u4e86get_list_display\u8fd9\u4e2a\u65b9\u6cd5\u5c31\u53ef\u4ee5\u5b9e\u73b0\u4e0d\u540c\u7684\u7528\u6237\u53ef\u4ee5\u663e\u793a\u4e0d\u540c\u7684\u5b57\u6bb5\u3002\u6bd4\u5982\uff1a<\/p>\n
def get_list_display(self, request):
\n “””
\n Return a sequence containing the fields to be displayed on the
\n changelist.
\n “””
\n if request.user == ‘A’ :
\n self.list_display = (‘AA’,’AB’,’AC’)
\n else :
\n self.list_display = (‘AA’,’AB’)<\/p>\n
return self.list_display<\/p>\n","protected":false},"excerpt":{"rendered":"
Django\u672d\u8bb0 \u4e8c\uff1aadmi…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[24,10],"tags":[],"class_list":["post-723","post","type-post","status-publish","format-standard","hentry","category-python","category-jishu"],"_links":{"self":[{"href":"http:\/\/alextop.top\/index.php?rest_route=\/wp\/v2\/posts\/723"}],"collection":[{"href":"http:\/\/alextop.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/alextop.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/alextop.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/alextop.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=723"}],"version-history":[{"count":1,"href":"http:\/\/alextop.top\/index.php?rest_route=\/wp\/v2\/posts\/723\/revisions"}],"predecessor-version":[{"id":987,"href":"http:\/\/alextop.top\/index.php?rest_route=\/wp\/v2\/posts\/723\/revisions\/987"}],"wp:attachment":[{"href":"http:\/\/alextop.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=723"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/alextop.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=723"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/alextop.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=723"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}