学开车

import osos.environ.setdefault("DJANGO_SETTINGS_MODULE", "about_ORM.settings")import djangodjango.setup()from app01 import models# 1 .查找所有书名里包含金老板的书# ret1 = models.Book.objects.filter(title__contains="金老板")# print(ret1)"""select * from app01_book where title regexp "金老板";"""# 2.查找出版日期是2018年的书# ret2 = models.Book.objects.filter(publish_date__year=2018)# print(ret2)"""select * from app01_book where year(publish_date)=2018;"""# 3.查找出版日期是2017年的书名# ret3 = models.Book.objects.filter(publish_date__year=2017)# for i in ret3:# print(i.title)"""select title from app01_book where year(publish_date)=2017;

import osos.environ.setdefault("DJANGO_SETTINGS_MODULE", "about_ORM.settings")import djangodjango.setup()from app01 import models# 1 .查找所有书名里包含金老板的书# ret1 = models.Book.objects.filter(title__contains="金老板")# print(ret1)"""select * from app01_book where title regexp "金老板";"""# 2.查找出版日期是2018年的书# ret2 = models.Book.objects.filter(publish_date__year=2018)# print(ret2)"""select * from app01_book where year(publish_date)=2018;"""# 3.查找出版日期是2017年的书名# ret3 = models.Book.objects.filter(publish_date__year=2017)# for i in ret3:# print(i.title)"""select title from app01_book where year(publish_date)=2017;