1.urlsession https

- (void)URLSession:(NSURLSession *)sessiondidReceiveChallenge:(NSURLAuthenticationChallenge *)challenge completionHandler:(void (^)(NSURLSessionAuthChallengeDisposition disposition, NSURLCredential *credential))completionHandler{   //AFNetworking中的处理方式    NSURLSessionAuthChallengeDisposition disposition = NSURLSessionAuthChallengePerformDefaultHandling;    __block NSURLCredential *credential = nil;      //判断服务器返回的证书是否是服务器信任的    if ([challenge.protectionSpace.authenticationMethod isEqualToString:NSURLAuthenticationMethodServerTrust]) {        credential = [NSURLCredential credentialForTrust:challenge.protectionSpace.serverTrust];        /*disposition：如何处理证书     NSURLSessionAuthChallengePerformDefaultHandling:默认方式处理         NSURLSessionAuthChallengeUseCredential：使用指定的证书    NSURLSessionAuthChallengeCancelAuthenticationChallenge：取消请求         */        if (credential) {            disposition = NSURLSessionAuthChallengeUseCredential;        } else {            disposition = NSURLSessionAuthChallengePerformDefaultHandling;        }    } else {        disposition = NSURLSessionAuthChallengeCancelAuthenticationChallenge;    }    //安装证书    if (completionHandler) {        completionHandler(disposition, credential);    }}

https://www.jianshu.com/p/4b5d2d47833d

2.avplayer cache

 

https://github.com/XTShow/XTAudioPlayer/

 

https://www.jianshu.com/p/c157476474f1

 

https://github.com/newyjp/JPVideoPlayer