Json schema 格式

Json schema 本身遵循Json规范，本身就是一个Json字符串，先来看一个例子

{ "$schema": "http://json-schema.org/draft-04/schema#", "title": "Product", "description": "A product from Acme‘s catalog", "type": "object", "properties": { "id": { "description": "The unique identifier for a product", "type": "integer" }, "name": { "description": "Name of the product", "type": "string" }, "price": { "type": "number", "minimum": 0, "exclusiveMinimum": true } }, "required": ["id", "name", "price"]}

我们来看一下json schema 最外层包含以下几个字段