javascript hapijs - API上传图片

Posted 2021-05-03

server.route({
        config: {
            cors: {
                origin: ['*'],
                additionalHeaders: ['cache-control', 'x-requested-with']
            }
        },
        method: 'POST',
        path: '/attachments/upload',
        config: {
            payload: {
                output: 'stream',
                allow: 'multipart/form-data',
                maxBytes: MAX_UPLOAD_SIZE * 1048576
            }
        },
        handler: async (request, h) => {
            try {
                const data = request.payload;
                const file = data['image'];
                const fileOptions = { uploadDir, publicUploadPath };
        
                // save the file
                const { publicPath, originalName } = await uploader(file, fileOptions);
        
                // return result
                console(publicPath);
                console.log(originalName);
                return { publicPath, originalName };
        
                } catch (err) {
                return Boom.badRequest(err.message, err);
                }
          }
    }); 

const cookies = Cookie.parse(document.cookie);
fetch('/api/attachments/upload', {
    method: 'POST',
    headers: {
        'X-CSRF-Token': cookies.crumb
    },
    body
})
    .then((res) => res.json())
    .catch((error) => console.error('Error:', error));

const fs = require('fs');
const { join } = require('path');
const uuid = require('uuid');

module.exports = (file, { uploadDir, publicUploadPath, fileName }) => {
  const originalName = file.hapi.filename;
  // const filename = `${uuid.v1()}-${originalName}`;
  const filename = fileName;
  
  const path = join(uploadDir, filename);
  const publicPath = join(publicUploadPath, filename);
  const fileStream = fs.createWriteStream(path);
  
  return new Promise((resolve, reject) => {
    file.on('error', err => {
      reject(err);
    });

    file.pipe(fileStream);

    file.on('end', err => {
      const fileDetails = {
        fieldname: file.hapi.name,
        originalName,
        filename,
        mimetype: file.hapi.headers['content-type'],
        destination: uploadDir,
        path,
        publicPath,
        size: fs.statSync(path).size,
      }

      resolve(fileDetails);
    })
  })
};