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wcs-js-sdk

v1.0.11

Published

1. [工程源码](https://github.com/Wangsu-Cloud-Storage/wcs-js-sdk/tree/master/src) 2. [demo&例子](https://github.com/Wangsu-Cloud-Storage/wcs-js-sdk/tree/master/test/demo1) 3. [demo使用指南](https://github.com/Wangsu-Cloud-Storage/wcs-js-sdk/tree/master/demo使用指南.m

Downloads

38

Readme

工程介绍

  1. 工程源码
  2. demo&例子
  3. demo使用指南

开发准备

  • 账号要求:已开通网宿云存储,并获取上传密钥,上传域名等
  • 系统要求:H5以上
  • Wcs-JavaScript-SDK没有包含token计算逻辑,为了安全,建议客户自己搭建token服务器计算token。可参考java-sdk等服务端SDK。

安装说明

  1. 直接引用
<script type="text/javascript" src="/dist/wcs.min.js"></script>
通过sctipt标签引入该文件,会在全局生成名为 wcs 的对象
  1. npm安装
npm install wcs-js-sdk

初始化说明

  1. sdk通过一个uploadObj对象用来控制上传行为,可触发上传、回调、停止等操作。
  2. sdk会判断文件大小同块大小BLOCK_SIZE来决定使用直接上传还是分片上传。文件大小>BLOCK_SIZE:使用分片上传;文件大小<=BLOCK_SIZE:使用直接上传
引用
import * as wangsu from 'wcs-js-sdk'

其它引用方法
1. import * as wangsu from 'wcs-js-sdk'           调用wangsu.wcsUpload()
2. import { wcsUpload } from 'wcs-js-sdk'         调用wcsUpload()  


使用
var uploadObj = wangsu.wcsUpload(file, token, uploadUrl, extraConfig);

参数
file // 要上传的文件
token // 后台服务器获取的token
uploadUrl // 网宿云存储分配的上传地址
extraConfig={
    timeout: 0, //超时毫秒数, 默认为0-不超时 超时错误可以重试上传
    concurrentRequestLimit:3, //并发数,默认为3。注:浏览器对连接的请求资源是有限的, 比如Chrome的请求资源是6, 所以会有这样的情况, 如果并发数写10, 虽然发起了10个请求, 但是只有6个真正在上传
    retryCount:0 //上传重试, 默认为0
    key: key //选填,用于指定文件上传至云存储的名称,注:token中指定的key优先级较高
    mimeType: mimeType //选填,自定义文件的MIME-Type
    deadline: deadline //选填,文件保存期限。超过保存天数文件自动删除,单位:天。例如:1、2、3
    blockSize: blockSize //选填,文件上传块大小设置。默认4M,如需修改请填写4的倍数,单位:M 。如 8、12、16
}

上传

uploadObj.putFile();

上传进度回调

uploadObj.uploadProgress = function (progress) {}
- progress格式
{
    total:{
        loaded: ?, //已经加载的大小
        size: ?,   //总文件大小
        percent: ? //百分比
    },
    chunks:[     //块信息, 数组形式
        {loaded: ?, size: ?, percent: ?},
        {loaded: ?, size: ?, percent: ?}
    ]
}

错误回调

uploadObj.onError = function (error) {}
- error格式
{
    code: ?,  // 错误码, 其中uploadObj.stop()停止与超时上传没有code
    message: "",  //错误信息
    isRequestError: true //是否是请求错误, 即正常上传后, 服务端返回错误, 这种是正常的错误, 不必重新上传
}

完成回调

uploadObj.onComplete = function(res){}
- res 格式
{
    data: jsonObj/String   //服务端返回的结果。注:如果是直传返回的是编码后的字符串,如果超过块大小使用了分片上传的话返回的就是json对象
}

停止

uploadObj.stop();

urlSafeBase64解码

注:文件上传成功会响应一串经过urlSafeBase64编码的字符串,可通过SDK中的解码方法解码

wcs.URLSafeBase64Decode(incodeString)

获取文件etag

wcs.getEtagHash(file, callback)