Question

想要在如何设置和使用Expressjs / Nodejs中的MULTER MIDDLEWARE

上发布初学者级别问题的答案

Answer 1

                                  Hope this saves your time

应该有两个文件：

1.Jade文件（应包含表格，假设为index.jade）

2.JS文件（位于routes文件夹中，并指向views文件夹中的index.jade文件）

SETUP index.jade文件

//not a jade file so convert it to jade 


//enctype is set to multipart/form-data --- multer requirement

<form  method="post" role="form" enctype="multipart/form-data">

<div class="form-group">
<label for="upload">Email address:</label>

//name attribute to access in index.js route file
<input type="file" class="form-control" name="upload" id="upload">
</div>

<button type="submit" class="btn btn-default">Submit</button>
</form>

//非常重要

（a）在Jade文件中，表单必须包含enctype =“multipart / form-data”的属性

（b）输入应具有名称属性，可在index.js文件中访问

SETUP JS ROUTE FILE（index.js）不在app.js

中

var express = require('express')
var multer  = require('multer')
var upload = multer({ dest: 'uploads/' }) //set dest to where you want to upload the file
var app = express()

// SINGLE FILE UPLOAD

app.post('/', upload.single('upload'), function (req, res, next) {

//since we are performing a single file upload req.file will be used and not req.files

// req.file would attach the file with upload fieldname ~ upload is the name attribute given in the form 

//now use req.file to access the file 

//for example
console.log(req.file); // this would display the file attributes in the log
})

（Self Q＆amp; A）如何设置和使用MULTER MIDDLEWARE）进行单个文件上传（Expressjs / Nodejs）

1 个答案: