File upload

  • A simple batch upload example
my-nodestack-app
├── src
│   ├── pages
│   │   │── upload    
│   │   │   │── index.js 
│   ├── plugins
│   │   │── upload.js  
├── ndsk.config.js
└── package.json

const Path = require('node:path');
const Fs = require('node:fs');
exports.plugin  = {
    name: 'upload',
    register: async (server) =>{
        server.route({
            method:'POST',
            path:'/upload',
            options: {
                payload: {  
                    output: 'stream',          
                    parse:true,
                    multipart: true,
                    maxBytes:1048576 * 1,     
                    timeout:1000 * 60 * 1    
                }
            },
            handler:async ({payload},h)=>{
                try {
                    const arr = [];
                    for(let item in payload){
                        const file = payload[item];
                        const buffer = file._data;
                        const name = file.hapi.filename;
                        const uploadDir = Path.join(process.cwd(),'static/upload');
                        Fs.mkdirSync(uploadDir, {recursive: true});
                        Fs.writeFileSync(Path.join(uploadDir,name),buffer);
                        arr.push(`http://localhost:3000/static/upload/${name}`)
                    }
                    return arr
                } catch (error) {
                    throw error
                }
            }
        })
    }
}

import {useState} from 'react'
export default (props)=>{ 
    const [arr,setArr] = useState([]) 
    return (
      <html lang="en">
        <head>
          <title>{props.title}</title> 
        </head>
        <body> 
            <div>
                <input multiple type="file" onChange={(e)=>{
                        const files = e.target.files;
                        const formData = new FormData();
                        for(let i=0;i<files.length;i++){
                            formData.append(`file${i}`,files[i]);
                        }
                        fetch(`/upload`, {
                            method: 'POST',
                            body: formData
                        }).then(async res=>{
                            setArr(await res.json())
                        });
                    }}
                />
            </div>
            <div>
                {
                    arr.map(src=>{
                        return (
                            <img src={src} width={100}></img>
                        )
                    })
                }
            </div>
        </body>
      </html>
    );
}

Next step

Authorization