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node_project's Introduction

需要哪些模块

  1. express
  2. mongoose
  3. ejs

mongoose 操作

 - 1.创建db.js文件，配置数据库（链接）

schema是mongoose里的一种数据模式，可以理解为表结构的定义；每个schema会映射到mongodb中的一个collection，它不具备操作数据库的能力

model是由schema生成的模型，可以对数据库的操作

查询

  • find()

新增

删除

node_project's People

Contributors

zhan1025 avatar

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