Koa-grace-proxy NPM

koa-grace-proxy

KOA-grace绑定数据的中间件

Install

$ npm install koa-grace-proxy --save

Usage

proxy(app, options)

app: {Object} koa instance.
options: {Object|String->root}
- api: {String} api配置项，例如local对应http://localhost:3000，则为：api:{local:'http://localhost:3000'}

app.js

'use strict';

var koa = require('koa');
var proxy = require('..');

var app = koa();

// 配置api
app.use(proxy(app, {
  api: {
    github: 'https://avatars.githubusercontent.com/'
  },{
    timeout: 15000 // 超时时间
  }
}));

app.use(function*() {
  let data;

  // 数据请求
  if (this.path == '/data/1') {
    this.body = {
      user_id: '111111'
    }
    return;
  } else if (this.path == '/data/2') {
    this.body = {
      user_id: '222222'
    }
    return;
  }


  // 代理数据
  yield this.proxy({
    data1: 'http://127.0.0.1:3000/data/1',
    data2: 'http://127.0.0.1:3000/data/2',
    data3: 'http://test'
  });
  this.body = this.backData || 'test';

  // 代理请求
  // yield this.download('github:u/1962352?v=3');
  // yield this.download('http://127.0.0.1:9080/bg_3_s.jpg');
  // data = yield this.download('http://test.mlsfe.biz/home');

  console.log('request done');
});

app.listen(3000, function() {
  console.log('Listening on 3000!');
});