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39
index.js
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39
index.js
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const multer = require('multer')
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const path = require('path')
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const crypto = require('crypto')
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const wo = global.wo
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module.exports = {
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MulterStore: multer({
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// dest:'./File/', // 这样,不能自定义文件名。
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storage: Multer.diskStorage({
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destination (req, file, cb) {
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// 如果直接提供字符串,Multer会负责创建该目录。如果提供函数,你要负责确保该目录存在。
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const folder = wo?.envi?.uploadroot // 目录是相对于本应用的入口js的,即相对于 server.js 的位置。
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cb(null, folder)
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},
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filename (req, file, cb) {
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// 注意,req.body 也许还没有信息,因为这取决于客户端发送body和file的顺序。必要的信息请从 req.headers 传递。
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const fileNameExtension = path.extname(file.originalname)
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const filename = `${Date.now()}_${crypto.randomBytes(32).toString('hex')}${fileNameExtension}`
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cb(null, filename)
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},
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}),
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// fileFilter:function(req, file, cb) {},
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limits: { fileSize: 10485760 },
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}).single('file'),
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api: {
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receiveFile () {
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const file = wo._req?.file
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if (file?.path) {
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file.path = file.path.replace('\\', '/')
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return Object.assign(file, { _state: 'SUCCESS' })
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} else {
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return { _state: 'BACKEND_FAIL_FILE_NOT_RECEIVED' }
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}
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}
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}
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}
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