定義全局變量，在項目的任何位置都可以獲取到變量的值

在include App=》include文件夾下=》context_processors.py 里定義需要獲取的變量

#!/usr/bin/env python # coding:utf-8 # Author:Fengchunyang """ 定義django template的全局模板變量 """ from monsys.models import MonObject from include.common.common import adddef monitor_status(request):"""主頁面顯示全局的各種監控對象的狀態數據"""service_obj = MonObject.objects.get(name="服務").monobjectsub_set.all()product_obj = MonObject.objects.get(name="業務").monobjectsub_set.all()host_obj = MonObject.objects.get(name="主機").monobjectsub_set.all()container_obj = MonObject.objects.get(name="容器").monobjectsub_set.all()status = {"monitor_product": {"normal": 0,"warning": 0,"danger": 0,},"monitor_service": {"normal": reduce(add, [mos.normal for mos in service_obj]),"warning": reduce(add, [mos.warn for mos in service_obj]),"danger": reduce(add, [mos.danger for mos in service_obj]),"unknown": reduce(add, [mos.unknown for mos in service_obj]),},"monitor_system": {"normal": reduce(add, [mos.normal for mos in host_obj]) + reduce(add, [mos.normal for mos in container_obj]),"warning": reduce(add, [mos.warn for mos in host_obj]) + reduce(add, [mos.warn for mos in container_obj]),"danger": reduce(add, [mos.danger for mos in host_obj]) + reduce(add, [mos.danger for mos in container_obj]),"unknown": reduce(add, [mos.unknown for mos in host_obj]) + reduce(add, [mos.unknown for mos in container_obj]),},}return status

然后在settings.py的TEMPLATES里注冊這個文件夾

TEMPLATES = [{'BACKEND': 'django.template.backends.django.DjangoTemplates','DIRS': [os.path.join(BASE_DIR, 'statics'),],'APP_DIRS': True,'OPTIONS': {'context_processors': ['django.template.context_processors.debug','django.template.context_processors.request','django.contrib.auth.context_processors.auth','django.contrib.messages.context_processors.messages','include.middleware.context_processors.monitor_status', # 自定義全局監控狀態變量 ],},}, ]

然后就可以在項目的任何位置取到需要的變量了

轉載于:https://www.cnblogs.com/wangjian941118/p/11321390.html

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