node 图片上传【服务器端】

上传服务器文件夹

import multer from 'koa-multer'

const storage = multer.diskStorage({
    // 文件保存路径
    destination: function(req, file, cb) {
        cb(null, path.join(__dirname, '../../static'))
    },
    // 修改文件名称
    filename: function(req, file, cb) {
        var fileFormat = (file.originalname).split('.')
        cb(null, Date.now() + '.' + fileFormat[fileFormat.length - 1])
    }
})

router.post('/api/v1/file/*', upload.single('file'), async(ctx, res, next) => {
    let filename = ctx.req.file.filename
    ctx.response.body = { filename }
}

上传阿里云

const co = require('co')
const OSS = require('ali-oss')
const dateformat = require('dateformat')
const path = require('path')

const client = new OSS({
    region: 'oss-cn-',
    accessKeyId: 'xxx',
    accessKeySecret: xxx',
    bucket: 'bucketName'
})

const dateStr = dateformat(new Date(), 'yyyymm')
const uploadDir = `static/img/${dateStr}/`
const uploadDir2 = 'static/'

module.exports = {
    config(accessKeyId, accessKeySecret) {
        client.options.accessKeyId = accessKeyId
        client.options.accessKeySecret = accessKeySecret
    },
    upload: co.wrap(function* (local, destName, reName = true) {
        if (reName) {
            const filePrex = dateformat(new Date(), 'ddHHMMssl')
            destName = uploadDir + filePrex + path.extname(destName)
        } else {
            destName = uploadDir2 + destName
        }
        const result = yield client.put(destName, local)
        return yield Promise.resolve(result)
    })
}

import koaRouter from 'koa-router'
import multer from 'koa-multer'
import path from 'path'
import fs from 'fs'
import oss from '../controllers/upload'

const storage = multer.diskStorage({
    // 文件保存路径
    destination: function(req, file, cb) {
        cb(null, path.join(__dirname, '../../static'))
    },
    // 修改文件名称
    filename: function(req, file, cb) {
        var fileFormat = (file.originalname).split('.')
        cb(null, Date.now() + '.' + fileFormat[fileFormat.length - 1])
    }
})
// 加载配置
var upload = multer({storage: storage})

const router = koaRouter()

router.post('/api/v1/file/*', upload.single('file'), async(ctx, res, next) => {
    let filename = ctx.req.file.filename
    let localPath = path.join(__dirname, '../../static/' + filename)
    console.log(uploadUtil)
    oss.upload(localPath, filename).then((val) => {
        fs.unlink(path)
        if (val.res && val.res.status === 200) {
           console.log(val.url)
        }
    }).catch((res) => {
        console.log('---error---')
    })
})