To run the example project, clone the repo, and run pod install from the Example directory first.
WKDownLoad is available through CocoaPods. To install it, simply add the following line to your Podfile:
pod 'WKDownLoad'音频下载逻辑的封装
用法：
在vc中直接调用方法：
-(void)downLoader:(NSURL *)url downLoadInfo:(downInfoType)downLoadInfo progress:(progressBlockType)progressBlock success:(successBlockType)successBlock failed:(failedBlockType)failedBlock;
第一个参数：url音频地址
第二个参数：下载信息的总大小
第三个参数：下载的进度
第四个参数：下载完成中后的路径
第四个参数：下载失败的处理