Java 动态树的实现 目录概述需求: 设计思路实现思路分析1. 简单Java实现:2.建立父子表存储3.前端的对应的json 字符串方式 参考资料和推荐阅读 Survive by day and develop by night. talk for import biz , show your perfect code,full busy࿰…
开始使用MEVN技术栈开发02 MongoDB介绍
MongoDB介绍
As indicated by the ‘ M ’ in MEVN, we will use MongoDB as the backend database for our app. MongoDB is a NoSQL database. Before we talk about what is a NoSQL database, let ’ s first talk about relationa…