import AliyunOSS from 'react-native-aliyun-oss-cp1'

AliyunOSS.enableOSSLog();
    const config = {
      AccessKey: '',  // your accessKeyId
      SecretKey: '', // your accessKeySecret
      SecretToken: '', // your securityToken
    };
    const endPoint = ''; // your endPoint
    // 初始化阿里云组件
    AliyunOSS.initWithKey(config, endPoint);
    // upload config
    const uploadConfig = {
      bucketName: '',  //your bucketName
      sourceFile: '', // local file path
      ossFile: '' // the file path uploaded to oss
    };
    // 上传进度
    const uploadProgress = p => console.log(p.currentSize / p.totalSize);
    // 增加上传事件监听
    AliyunOSS.addEventListener('uploadProgress', uploadProgress);
    // 执行上传
    AliyunOSS.uploadObjectAsync(uploadConfig).then((resp) => {
      // 去除事件监听
      AliyunOSS.removeEventListener('uploadProgress', uploadProgress);
      // 此处可以执行回调
      ... 
    }).catch((err)=>{
      console.log(err);
      // 执行失败回调
      ...
});

...

// download
const downloadConfig = {
      bucketName: '',
      ossFile: '' // the file path on the oss
    };
const downloadProgress = p => console.log(p.currentSize / p.totalSize);
AliyunOSS.addEventListener('downloadProgress', downloadProgress);
await AliyunOSS.downloadObjectAsync(downloadConfig).then(path => {
  console.log(path); // the local file path downloaded from oss
  AliyunOSS.removeEventListener('downloadProgress', downloadProgress);
}).catch((error) => {
  console.error(error);
});