weixin_44131901的博客

乐观锁与悲观锁 悲观锁 Views.py(视图，悲观锁，select_fo_update) from django.shortcuts import render from django.http import HttpResponse from django.views.generic import View from django.db import transcation from 应用.m...

django-orm的花式查询数据 __exact=‘aaa’ 精确等于 'like ‘aaa’ __iexact=‘aaa’ 精确等于 忽略大小写的like ‘aaa’ __contains=‘aaa’ 查询内容包含 like ‘%aaa%’ __gt 大于 __gte 大于等于 __lt 小于 __...