diff --git a/.babelrc b/.babelrc new file mode 100644 index 0000000..a52de11 --- /dev/null +++ b/.babelrc @@ -0,0 +1,8 @@ +{ + "presets": ["es2015-node"], + "plugins": [ + "transform-async-to-generator", + "syntax-async-functions", + "add-module-exports" + ] +} \ No newline at end of file diff --git a/.gitignore b/.gitignore index e920c16..20a8ec8 100644 --- a/.gitignore +++ b/.gitignore @@ -31,3 +31,4 @@ node_modules # Optional REPL history .node_repl_history +typings diff --git a/README.md b/README.md index b52e971..b98bd8e 100644 --- a/README.md +++ b/README.md @@ -1 +1,62 @@ -# koa2-async-example \ No newline at end of file +# koa2-example + +## 准备 + +``` +npm i -g coden +npm i -g typings +``` + +## 初始化 + +``` +git clone https://github.com/17koa/koa2-example.git +cd koa2-example +npm i +typings install +npm start +``` + +## 实例 + +1. 最简单的koa2.js +1. koa2-example + +## Koa2-example说明 + +``` + "koa": "^2.0.0", + "koa-bodyparser": "^2.0.1", + "koa-convert": "^1.2.0", + "koa-json": "^1.1.1", + "koa-logger": "^1.3.0", + "koa-onerror": "^1.2.1", + "koa-router": "^7.0.0", + "koa-static": "^1.5.2", + "koa-views": "^5.0.1" +``` + +为了支持koa2，下面组件要注意和1.x不一样 + +``` + "koa": "^2.0.0", + "koa-router": "^7.0.0", + "koa-views": "^5.0.1" +``` + +## 语法提示 + +``` +typings install node koa --ambient --save +``` + +强制提示 + +``` +/// +/// +``` + +## 调试 + +http://i5ting.github.io/vsc/#107 diff --git a/app.js b/app.js new file mode 100644 index 0000000..eae473e --- /dev/null +++ b/app.js @@ -0,0 +1,46 @@ + +const Koa = require('koa'); +const app = new Koa(); +const router = require('koa-router')(); +const views = require('koa-views'); +const co = require('co'); +const convert = require('koa-convert'); +const json = require('koa-json'); +const onerror = require('koa-onerror'); +const bodyparser = require('koa-bodyparser')(); +const logger = require('koa-logger'); + +const index = require('./routes/index'); +const users = require('./routes/users'); + +// middlewares +app.use(convert(bodyparser)); +app.use(convert(json())); +app.use(convert(logger())); +app.use(convert(require('koa-static')(__dirname + '/public'))); + +app.use(views(__dirname + '/views', { + extension: 'jade' +})); + +// logger +app.use((ctx, next) => { + const start = new Date(); + return next().then(() => { + const ms = new Date() - start; + console.log(`${ctx.method} ${ctx.url} - ${ms}ms`); + }); +}); + +router.use('/', index.routes()); +router.use('/users', users.routes()); + +app.use(router.routes(), router.allowedMethods()); +// response + +app.on('error', function(err, ctx){ + console.log(err) + logger.error('server error', err, ctx); +}); + +module.exports = app diff --git a/bin/www b/bin/www new file mode 100755 index 0000000..31c60e9 --- /dev/null +++ b/bin/www @@ -0,0 +1,93 @@ +#!/usr/bin/env node + +/** + * Module dependencies. + */ + +require("babel-register"); +var app = require('../app'); +console.dir(app) + +var debug = require('debug')('demo:server'); +var http = require('http'); + +/** + * Get port from environment and store in Express. + */ + +var port = normalizePort(process.env.PORT || '3000'); +// app.set('port', port); + +/** + * Create HTTP server. + */ + +var server = http.createServer(app.callback()); + +/** + * Listen on provided port, on all network interfaces. + */ + +server.listen(port); +server.on('error', onError); +server.on('listening', onListening); + +/** + * Normalize a port into a number, string, or false. + */ + +function normalizePort(val) { + var port = parseInt(val, 10); + + if (isNaN(port)) { + // named pipe + return val; + } + + if (port >= 0) { + // port number + return port; + } + + return false; +} + +/** + * Event listener for HTTP server "error" event. + */ + +function onError(error) { + if (error.syscall !== 'listen') { + throw error; + } + + var bind = typeof port === 'string' + ? 'Pipe ' + port + : 'Port ' + port; + + // handle specific listen errors with friendly messages + switch (error.code) { + case 'EACCES': + console.error(bind + ' requires elevated privileges'); + process.exit(1); + break; + case 'EADDRINUSE': + console.error(bind + ' is already in use'); + process.exit(1); + break; + default: + throw error; + } +} + +/** + * Event listener for HTTP server "listening" event. + */ + +function onListening() { + var addr = server.address(); + var bind = typeof addr === 'string' + ? 'pipe ' + addr + : 'port ' + addr.port; + debug('Listening on ' + bind); +} diff --git a/koa2.js b/koa2.js new file mode 100644 index 0000000..6eda168 --- /dev/null +++ b/koa2.js @@ -0,0 +1,8 @@ +const Koa = require('koa'); +const app = new Koa(); + +app.use(ctx => { + return ctx.body = "hello Koa" +}); + +app.listen(3001); \ No newline at end of file diff --git a/package.json b/package.json new file mode 100644 index 0000000..e3add2e --- /dev/null +++ b/package.json @@ -0,0 +1,33 @@ +{ + "name": "koa2-example", + "version": "0.1.0", + "private": true, + "scripts": { + "start": "./node_modules/.bin/nodemon bin/www", + "pm2": "pm2 start bin/www", + "test": "echo \"Error: no test specified\" && exit 1" + }, + "dependencies": { + "co": "^4.6.0", + "debug": "^2.2.0", + "jade": "~1.11.0", + "koa": "^2.0.0", + "koa-bodyparser": "^2.0.1", + "koa-convert": "^1.2.0", + "koa-json": "^1.1.1", + "koa-logger": "^1.3.0", + "koa-onerror": "^1.2.1", + "koa-router": "^7.0.0", + "koa-static": "^1.5.2", + "koa-views": "^5.0.1" + }, + "devDependencies": { + "babel-core": "^6.7.5", + "babel-plugin-add-module-exports": "^0.1.2", + "babel-polyfill": "^6.1.4", + "babel-preset-es2015": "^6.6.0", + "babel-preset-es2015-node": "^6.0.1", + "babel-preset-stage-3": "^6.5.0", + "nodemon": "^1.8.1" + } +} diff --git a/public/stylesheets/style.css b/public/stylesheets/style.css new file mode 100644 index 0000000..9453385 --- /dev/null +++ b/public/stylesheets/style.css @@ -0,0 +1,8 @@ +body { + padding: 50px; + font: 14px "Lucida Grande", Helvetica, Arial, sans-serif; +} + +a { + color: #00B7FF; +} diff --git a/routes/index.js b/routes/index.js new file mode 100644 index 0000000..2b1d04c --- /dev/null +++ b/routes/index.js @@ -0,0 +1,9 @@ +var router = require('koa-router')(); + +router.get('/', async (ctx, next) => { + + await ctx.render('index', { + title:'Hello Koa' + }) +}) +module.exports = router; diff --git a/routes/users.js b/routes/users.js new file mode 100644 index 0000000..62cdd13 --- /dev/null +++ b/routes/users.js @@ -0,0 +1,7 @@ +var router = require('koa-router')(); + +router.get('/', function (ctx, next) { + ctx.body = 'this a users response!'; +}); + +module.exports = router; diff --git a/typings.json b/typings.json new file mode 100644 index 0000000..65f3fd5 --- /dev/null +++ b/typings.json @@ -0,0 +1,6 @@ +{ + "ambientDependencies": { + "koa": "registry:dt/koa#2.0.0+20160317120654", + "node": "registry:dt/node#4.0.0+20160423143914" + } +} diff --git a/views/error.jade b/views/error.jade new file mode 100644 index 0000000..51ec12c --- /dev/null +++ b/views/error.jade @@ -0,0 +1,6 @@ +extends layout + +block content + h1= message + h2= error.status + pre #{error.stack} diff --git a/views/index.jade b/views/index.jade new file mode 100644 index 0000000..3d63b9a --- /dev/null +++ b/views/index.jade @@ -0,0 +1,5 @@ +extends layout + +block content + h1= title + p Welcome to #{title} diff --git a/views/layout.jade b/views/layout.jade new file mode 100644 index 0000000..15af079 --- /dev/null +++ b/views/layout.jade @@ -0,0 +1,7 @@ +doctype html +html + head + title= title + link(rel='stylesheet', href='/stylesheets/style.css') + body + block content