oss-upload-browser/src/index.js

oss-browser文件上传

import { fileMd5 } from "./file-md5";
const OSS = require('ali-oss');
let ossClient;

//小文件上传
const put_upload = (_ossConfig, _resolve) => {
  ossClient.put(`${_ossConfig.folder}/${_ossConfig.filename}`, _ossConfig.fileObj)
    .then(uploadResponse => {
      if (uploadResponse.res.status === 200) {
        _resolve({
          status: 200,
          data: uploadResponse.url.replace(/http:/, "https:")
        });
      } else {
        _resolve({status: 400, data: ''});
      };
    })
}

// 大文件分片上传
const multipart_upload = (_ossConfig, _resolve) => {
  ossClient.multipartUpload(`${_ossConfig.folder}/${_ossConfig.filename}`, _ossConfig.fileObj, {
    progress: p => {
      _resolve({ status: 300, data: p * 100 });
    },
    partSize: 5 * 1024 * 1024
  }).then(uploadResponse => {
    if (uploadResponse.res.status === 200) {
      _resolve({
        status: 200,
        data: `${_ossConfig.bucket}${uploadResponse.name}`
      });
    } else {
      _resolve({status: 400, data: ''});
    }
  });
}

// 传入oss配置、oss bucket、oss目标文件夹、File对象
const ossUpload = inputObj => {
  return new Promise(resolve => {
    let ossConfig = {
      bucket: `https://${inputObj.license.bucket}.${inputObj.license.region}.aliyuncs.com`,
      folder: inputObj.folder,
      fileObj: inputObj.fileObj
    };
    try {
      ossClient = new OSS(inputObj.license);
    } 
    catch(err) {
      console.error("Error: oss init file，please check your oss config");
    }
    // 将文件的MD5值设为文件名
    fileMd5(inputObj.fileObj, (err, md5Result) => {
      try {
        if (err) throw err;
        ossConfig['filename'] = `${md5Result}.${inputObj.hasOwnProperty('extension') && inputObj.extension ? 
          inputObj.extension :
          inputObj.fileObj.type.slice(inputObj.fileObj.type.search(/\//) + 1)}`;
        // 根据文件大小选择上传方式
        inputObj.fileObj.size < 20 * 1024 * 1024 ? 
          put_upload(ossConfig, resolve) : 
          multipart_upload(ossConfig, resolve);
      } 
      catch(err) {
        console.error(err);
      }
    });
  });
}

export default ossUpload;