add file upload

.eslintrc.js

@@ -1,12 +1,9 @@
 module.exports = {
+  "extends": "vue",
   "env": {
     "browser": true,
     "node": true,
     "es6": true
   },
-  "parser": "babel-eslint",
-  "rules": {
-    "semi": [2, "never"],
-    "quotes": [2, "single"]
-  }
+  "parser": "babel-eslint"
 }

.gitignore

@@ -31,6 +31,7 @@ build/Release
 # Dependency directories
 node_modules
 jspm_packages
+upload
 
 # Optional npm cache directory
 .npm

package.json

@@ -28,7 +28,9 @@
     "fs-extra": "^0.30.0"
   },
   "devDependencies": {
+    "babel-eslint": "^6.0.4",
     "eslint": "^2.12.0",
-    "babel-eslint": "^6.0.4"
+    "eslint-config-vue": "^1.0.3",
+    "eslint-plugin-vue": "^0.1.1"
   }
 }

readme.md

@@ -15,7 +15,8 @@ koa2
 5. 纯ES6/7编写，使用koa2的Async/Await，避免回调地狱
 6. 自定义错误，可附加错误信息
 7. 默认支持gzip，减少传输体积，加快传输速度
-8. 开箱即用，无需折腾
+8. 支持文件上传
+9. 开箱即用，无需折腾
 
 ## 启动
 直接运行run.js即可  

template/.babelrc

@@ -6,4 +6,4 @@
       "regenerator": true
     }]
   ]
-}
+}

template/app.js

@@ -8,6 +8,7 @@ import serve from 'koa-static'
 import logger from 'koa-logger'
 import convert from 'koa-convert'
 import bodyParser from 'koa-bodyparser'
+import path from 'path'
 
 import index from './router/index'
 import api from './router/api'
@@ -16,6 +17,7 @@ import test from './router/test'
 import { KoaErr } from './helper'
 
 const app = new Koa()
+
 // 全局错误处理
 app.use(async (ctx, next) => {
   try {
@@ -57,12 +59,12 @@ app.use(convert(json()))
 app.use(bodyParser())
 
 // 设置渲染引擎
-app.use(views(__dirname + '/views', {
+app.use(views(path.resolve(__dirname, 'views'), {
   extension: 'ejs'
 }))
 
 // 静态文件夹
-app.use(convert(serve(__dirname + '/static/')))
+app.use(convert(serve(path.resolve(__dirname, 'static'))))
 
 // 发送文件，如HTML
 app.use(async (ctx, next) => {

template/helper.js

@@ -4,8 +4,8 @@
  * @param  {Object} from 被安装的对象
  * @return {Object} to   安装完成的对象
  */
-export function extend(to, from) {
-  let keys = Object.keys(from)
+export function extend (to, from) {
+  const keys = Object.keys(from)
   let i = keys.length
   while (i--) {
     to[keys[i]] = from[keys[i]]
@@ -18,10 +18,10 @@ export function extend(to, from) {
  * @param  {Number} len 要生成的长度
  * @return {String} pwd 生成的随机字符串
  */
-export function randomString(len) {　　
+export function randomString (len) {
   len = len || 5
-  let chars = 'ABCDEFGHJKMNPQRSTWXYZabcdefhijkmnprstwxyz2345678'
-  let maxPos = chars.length
+  const chars = 'ABCDEFGHJKMNPQRSTWXYZabcdefhijkmnprstwxyz2345678'
+  const maxPos = chars.length
   let pwd = ''
   for (let i = 0; i < len; i++) {
     pwd += chars.charAt(Math.floor(Math.random() * maxPos))
@@ -34,7 +34,7 @@ export function randomString(len) {　　
  * @param  {Object} extra    附加的说明与参数
  */
 export class KoaErr extends Error {
-  constructor({ message = 'Error', status = 500 } = {}, ...args) {
+  constructor ({ message = 'Error', status = 500 } = {}, ...args) {
     super()
     this.message = message
     this.status = status
@@ -43,3 +43,26 @@ export class KoaErr extends Error {
     }
   }
 }
+
+/**
+ * 上传文件
+ * @type {Object}
+ */
+import multer from 'koa-multer'
+import fsp from 'fs-promise'
+
+const storage = multer.diskStorage({
+  async destination (req, file, cb) {
+    const dir = `upload/${file.fieldname}/`
+    const exists = await fsp.exists(dir)
+    if (!exists) {
+      await fsp.mkdir(dir)
+    }
+    cb(null, dir)
+  },
+  filename (req, file, cb) {
+    cb(null, `${file.fieldname}-${file.originalname}`)
+  }
+})
+
+export const upload = multer({ storage: storage })

template/package.json

@@ -24,17 +24,19 @@
     "babel-register": "^6.8.0",
     "babel-runtime": "^6.9.2",
     "ejs": "^2.4.1",
+    "fs-promise": "^0.5.0",
     "koa": "^2.0.0",
     "koa-bodyparser": "^3.1.0",
     "koa-compress": "^2.0.0",
     "koa-convert": "^1.2.0",
     "koa-cors": "^0.0.16",
     "koa-json": "^1.1.1",
     "koa-logger": "^1.3.0",
+    "koa-multer": "^1.0.0",
     "koa-router": "^7.0.1",
     "koa-send": "^3.2.0",
     "koa-static": "^2.0.0",
     "koa-views": "^5.0.1",
     "nodemon": "^1.9.1"
   }
-}
+}

template/router/index.js

@@ -11,5 +11,5 @@ index
     // 发送静态文件
     await ctx.send(ctx, 'index.html', { root: 'static/index' })
   })
-  
+
 export default index

template/router/test.js

@@ -1,4 +1,5 @@
 import Router from 'koa-router'
+import { upload } from './../helper'
 
 const test = new Router({
   prefix: '/test'
@@ -16,5 +17,8 @@ test
   .post('/post', (ctx, next) => {
     ctx.body = ctx.request.body
   })
+  .post('/file', upload.single('avatar'), async (ctx, next) => {
+    ctx.body = ctx.req.file
+  })
 
 export default test

template/run.js

@@ -1,2 +1,2 @@
-require("babel-register")
-require('./app.js')
+require('babel-register')
+require('./app.js')