05 2012 档案

摘要：- (void)connection:(NSURLConnection *)connection didReceiveResponse:(NSURLResponse *)response{ NSHTTPURLResponse *httpResponse = (NSHTTPURLResponse *)response; if(httpResponse && [httpResponse respondsToSelector:@selector(allHeaderFields)]){ NSDictionary *httpResponseHeaderFields = [httpResp 阅读全文

摘要：https://developer.apple.com/library/ios/#documentation/FileManagement/Conceptual/DocumentInteraction_TopicsForIOS/Articles/OpeningSupportedFileTypes.htmlhttp://blog.csdn.net/gnicky/article/details/7536751 阅读全文

摘要：http://stackoverflow.com/questions/9801106/how-can-i-get-mime-type-in-ios-which-is-not-based-on-extensionhttp://blog.ablepear.com/2010/08/how-to-get-file-extension-for-mime-type.html 阅读全文