采用开源的libcurl实现与百度云存储进行交互的程序源码，实现了上传下载删除浏览等功能，内含采用hmac-sha1算法加密及base64 encode及url encode生成数字签名功能。-Libcurl achieved with the use of open source cloud storage Baidu interact program source code to achieve the uploading and downloading Delete browsing an