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使用 DropzoneJs 将文件上传到使用 Multer 的节点服务器,我无法保存文件,也无法在控制台的req.fileorreq.files对象中看到任何内容。

这是带有一些 EJS 的 HTML:

<div class="container">
    <div class="row dropzone_input_div">
        <h1 class="new_event_header">Add Your photos for <%= event.title %></h1>
        <div>
            <form class="dropzone needsclick dz-clickable" action="/testmedia" id="dropzoneFileUpload" name="mediaFile" enctype="multipart/form-data">
                <input type="text" value="<%= event._id %>" hidden name="id">
            </form>
        </div>
    </div>
    <div class="row">
        <div class="dropzone_preview">

        </div>
    </div>
</div>

这是 Dropzone JS 文件:

Dropzone.options.dropzoneFileUpload={
    paramName: "media",
    parallelUploads: 30,
    uploadMultiple: true,
    autoProcessQueue: true
}

这是我正在使用的节点/快递/路由器:

const multer        = require('multer');
// const upload        = multer({dest:'uploads/'})
const async         = require('async');
const dotenv        = require('dotenv');

require('dotenv').config({silence:true});

const router = express.Router();
//Add Mongo Models to use Mongoose
const { Event, User, Moments, Instant } = require("../models");

const b2 = new B2({
    accountId: process.env.B2_MASTER_APPLICATION_KEY,
    applicationKey: process.env.B2_WRITE_APPLICATION_KEY
});

//router.use('/testmedia',upload.single('uploadedFile'))
router.use(multer({dest: 'uploads/'}).single('file'));

const uploads = (req,res,next) => {
    console.log("hit uploads yall!");
    console.log(req.file);
    next();
}


const testMedia = (req,res) => {
    console.log("hit testMedia route");
    res.send("File uplaoded!")
}

我的 console.log 文件看起来像这样......

hit uploads yall!
undefined
hit testMedia route
POST /testmedia 200 5.603 ms - 14

任何线索为什么我看不到文件?它们不会保存到我的服务器(Ubuntu)上的 /uploads 文件中并且总是显示undefined在控制台中?

4

1 回答 1

0

我的朋友 Eli 帮我解决了这个问题...

我采取的步骤:

  1. 让我的浏览器控制台在 Chrome 中打开到网络选项卡
  2. 上传了一个文件
  3. 寻找testmedia请求
  4. 在窗口的底部有一个表单数据部分 file[0]: (binary)
  5. 在我的路线文件中,我使用了这个

    const express     = require('express');
    const passport    = require('passport');
    const crypto      = require('crypto');
    const flash       = require('express-flash');
    const xoauth2     = require('xoauth2');
    const B2          = require('backblaze-b2');
    const async       = require('async');
    const multer      = require('multer');
    
    const { User } = require("../models");
    
    const {
        testMedia
    } = require('../controllers/backblaze.controller')
    
    const router = express.Router();
    
    
    //*******************Middleware for Backblaze routes******************
    
    const storeImage = multer.diskStorage({
        destination: (req,file,cb) => {
            cb(null, 'uploads/')
        },
        filename: (req,file,cb)=> {
            cb(null,file.fieldname + '-'+ Date.now())
        }
    });
    
    const upload = multer({storage:storeImage})
    
    //*****THE ANSWER IS BELOW THIS LINE IN THE .single() method*****
    
    router.post("/testmedia", upload.single('file[0]'), testMedia);
    //router.post("/testmedia", upload.any(), testMedia);
    

我需要的功能在另一个文件夹中testMedia,它看起来像这样

    const testMedia = (req,res) => {
console.log("hit testMedia route");
res.send("File uplaoded!")
}

我还没有对文件做任何事情,但那是我的解决方案,架构有点不同,但这个问题是关于上述步骤并通过浏览器获取解决方案并single('name')在 multer 的方法中正确调用它

于 2018-09-28T15:31:01.630 回答