学习GraphQL

GraphQL官方文档：https://graphql.org/

GraphQL over HTTP: https://github.com/graphql/graphql-over-http/blob/main/spec/GraphQLOverHTTP.md

The GraphQL-First Philosophy

A specific workflow for developing a GraphQL server, where the GraphQL schema is the first thing you design, and acts as the contract between your frontend and backend. It’s not necessarily for everyone, but it can be a great way to get a server up and running with a very clear separation of concerns.