摘要：
from django.shortcuts import render,HttpResponse from Af_Pr import models from django.db.models import Avg,Max,Min,Count,Sum from django.db.models imp 阅读全文
摘要：
def query(request): publish_obj = models.Publish.objects.filter(name='人民邮电')[0] publish_obj = models.Publish.objects.filter(id=2)[0] models.Book.objec 阅读全文