Swagger 的讲解 Explained

Question

{
  "swagger": "2.0", 
  "info": {
    "version": "1.0.0", 
    "title": "Swagger Petstore", 
    "description": "A sample API that uses a petstore as an example to demonstrate features in the swagger-2.0 specification", 
    "termsOfService": "http://swagger.io/terms/", 
    "contact": {
      "name": "Swagger API Team"
    }, 
    "license": {
      "name": "MIT"
    }
  }, 
  "host": "petstore.swagger.io", 
  "basePath": "/api", 
  "schemes": [
    "http"
  ], 
  "consumes": [
    "application/json"
  ], 
  "produces": [
    "application/json"
  ], 
  "paths": {
    "/pets": {
      "get": {
        "description": "Returns all pets from the system that the user has access to", 
        "operationId": "findPets", 
        "produces": [
          "application/json", 
          "application/xml", 
          "text/xml", 
          "text/html"
        ], 
        "parameters": [
          {
            "name": "tags", 
            "in": "query", 
            "description": "tags to filter by", 
            "required": false, 
            "type": "array", 
            "items": {
              "type": "string"
            }, 
            "collectionFormat": "csv"
          }, 
          {
            "name": "limit", 
            "in": "query", 
            "description": "maximum number of results to return", 
            "required": false, 
            "type": "integer", 
            "format": "int32"
          }
        ], 
        "responses": {
          "200": {
            "description": "pet response", 
            "schema": {
              "type": "array", 
              "items": {
                "$ref": "#/definitions/Pet"
              }
            }
          }, 
          "default": {
            "description": "unexpected error", 
            "schema": {
              "$ref": "#/definitions/ErrorModel"
            }
          }
        }
      }, 
      "post": {
        "description": "Creates a new pet in the store. Duplicates are allowed", 
        "operationId": "addPet", 
        "produces": [
          "application/json"
        ], 
        "parameters": [
          {
            "name": "pet", 
            "in": "body", 
            "description": "Pet to add to the store", 
            "required": true, 
            "schema": {
              "$ref": "#/definitions/NewPet"
            }
          }
        ], 
        "responses": {
          "200": {
            "description": "pet response", 
            "schema": {
              "$ref": "#/definitions/Pet"
            }
          }, 
          "default": {
            "description": "unexpected error", 
            "schema": {
              "$ref": "#/definitions/ErrorModel"
            }
          }
        }
      }
    }, 
    "/pets/{id}": {
      "get": {
        "description": "Returns a user based on a single ID, if the user does not have access to the pet", 
        "operationId": "findPetById", 
        "produces": [
          "application/json", 
          "application/xml", 
          "text/xml", 
          "text/html"
        ], 
        "parameters": [
          {
            "name": "id", 
            "in": "path", 
            "description": "ID of pet to fetch", 
            "required": true, 
            "type": "integer", 
            "format": "int64"
          }
        ], 
        "responses": {
          "200": {
            "description": "pet response", 
            "schema": {
              "$ref": "#/definitions/Pet"
            }
          }, 
          "default": {
            "description": "unexpected error", 
            "schema": {
              "$ref": "#/definitions/ErrorModel"
            }
          }
        }
      }, 
      "delete": {
        "description": "deletes a single pet based on the ID supplied", 
        "operationId": "deletePet", 
        "parameters": [
          {
            "name": "id", 
            "in": "path", 
            "description": "ID of pet to delete", 
            "required": true, 
            "type": "integer", 
            "format": "int64"
          }
        ], 
        "responses": {
          "204": {
            "description": "pet deleted"
          }, 
          "default": {
            "description": "unexpected error", 
            "schema": {
              "$ref": "#/definitions/ErrorModel"
            }
          }
        }
      }
    }
  }, 
  "definitions": {
    "Pet": {
      "type": "object", 
      "allOf": [
        {
          "$ref": "#/definitions/NewPet"
        }, 
        {
          "required": [
            "id"
          ], 
          "properties": {
            "id": {
              "type": "integer", 
              "format": "int64"
            }
          }
        }
      ]
    }, 
    "NewPet": {
      "type": "object", 
      "required": [
        "name"
      ], 
      "properties": {
        "name": {
          "type": "string"
        }, 
        "tag": {
          "type": "string"
        }
      }
    }, 
    "ErrorModel": {
      "type": "object", 
      "required": [
        "code", 
        "message"
      ], 
      "properties": {
        "code": {
          "type": "integer", 
          "format": "int32"
        }, 
        "message": {
          "type": "string"
        }
      }
    }
  }
}