import koa from 'koa'; // koa@2   npm install --save koa@2
import koaRouter from 'koa-router'; // koa-router@next
import koaBody from 'koa-bodyparser'; // koa-bodyparser@next
import { graphqlKoa,graphiqlKoa } from 'apollo-server-koa';
import schema from './src/graphql/schema.js';
import executableSchema from './src/graphql/executableSchema';
 
const app = new koa();
const router = new koaRouter();
const PORT = 3000;
 
// koaBody is needed just for POST.
router.post('/graphql',koaBody(),graphqlKoa({ schema: executableSchema }));
router.get('/graphql',graphqlKoa({ schema: executableSchema }));
 
router.get('/graphiql',graphiqlKoa({ endpointURL: '/graphql' }));
 
app.use(router.routes());
app.use(router.allowedMethods());
app.listen(PORT,()=>console.log(`localhost:${PORT}`));

package.json

{
  "name": "mcbeath","version": "1.0.0","description": "my mcbeath network","main": "index.js","scripts": {
    "test": "echo \"Error: no test specified\" && exit 1","start": "babel-node server.js"
  },"author": "","license": "MIT","dependencies": {
    "apollo-server-koa": "^1.1.2","babel-cli": "^6.26.0","babel-preset-env": "^1.6.0","graphql": "^0.11.5","koa": "^2.3.0","koa-bodyparser": "^3.2.0","koa-router": "^7.1.1"
  }
}

必备文件说明

{
  "presets": [
    ["env",{
      "targets": {
        "node": true
      }
    }]
  ]
}