index.js

/**
 * @flow
 */
'use strict';

import { NativeModules, NativeAppEventEmitter, NativeEventEmitter, Platform } from 'react-native';
const NativeAliyunOSS = NativeModules.AliyunOSS;
const UPLOAD_EVENT = 'uploadProgress';
const DOWNLOAD_EVENT = 'downloadProgress';

const _subscriptions = new Map();

const AliyunOSS = {
	//开启oss log
	enableOSSLog() {
		NativeAliyunOSS.enableOSSLog();
	},
	/*初始化ossclient，
  **通过AccessKey和SecretKey
  *
  */
	initWithKey(conf, EndPoint) {
		NativeAliyunOSS.initWithKey(conf.AccessKey, conf.SecretKey, EndPoint);
	},
	/*初始化ossclient，
  **通过签名字符串，此处采用的是服务端签名
  *
  */
	initWithSigner(AccessKey, Signature, EndPoint) {
		NativeAliyunOSS.initWithSigner(AccessKey, Signature, EndPoint);
	},
	/*异步上传文件
  **bucketName
  *sourceFile:源文件路径，例如:/User/xx/xx/test.jpg
  *ossFile:目标路径，例如:文件夹/文件名  test/test.jpg
  *localPath:本地路径
  */
	uploadObjectAsync(conf) {
		return NativeAliyunOSS.uploadObjectAsync(conf.bucketName, conf.sourceFile, conf.ossFile);
	},

	downloadObjectAsync(conf) {
		return NativeAliyunOSS.downloadObjectAsync(conf.bucketName, conf.ossFile, conf.localPath);
	},

	/*监听上传和下载事件，
  **返回对象3个属性
  *everySentSize:每次上传／下载字节
  *currentSize:当前所需上传／下载字节
  *totalSize:总字节
  */
	addEventListener(type, handler) {
		var listener;
		if (Platform.OS === 'ios') {
			const Emitter = new NativeEventEmitter(NativeAliyunOSS);
			if (type === UPLOAD_EVENT) {
				listener = Emitter.addListener('uploadProgress', uploadData => {
					handler(uploadData);
				});
			} else if (type === DOWNLOAD_EVENT) {
				listener = Emitter.addListener('downloadProgress', downloadData => {
					handler(downloadData);
				});
			} else {
				return false;
			}
		} else {
			if (type === UPLOAD_EVENT) {
				listener = NativeAppEventEmitter.addListener('uploadProgress', uploadData => {
					handler(uploadData);
				});
			} else if (type === DOWNLOAD_EVENT) {
				listener = NativeAppEventEmitter.addListener('downloadProgress', downloadData => {
					handler(downloadData);
				});
			} else {
				return false;
			}
		}
		_subscriptions.set(handler, listener);
	},
	removeEventListener(type, handler) {
		if (type !== UPLOAD_EVENT && type !== DOWNLOAD_EVENT) {
			return false;
		}
		var listener = _subscriptions.get(handler);
		if (!listener) {
			return;
		}
		listener.remove();
		_subscriptions.delete(handler);
	},
};

module.exports = AliyunOSS;