想要在iOS 7中下载文件之前在某个服务器上找到文件的大小...我有一个NSURLConnectionDelegate的方法,但它在iOS 4.3之后被弃用了
这是方法:
- (void)connection:(NSURLConnection *)connection didReceiveResponse:(NSURLResponse *)response
iphone nsurlconnection ios7
ios7 ×1
iphone ×1
nsurlconnection ×1