利用UIWebView显示pdf文件，网页

UIWebView *webView = [[UIWebView alloc]initWithFrame:self.view.bounds];

webView.delegate = self; webView.scalesPageToFit = YES;

webView.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight;

[webView setAllowsInlineMediaPlayback:YES];

[self.view addSubview:webView];

NSString *pdfPath = [[NSBundle mainBundle] pathForResource:@"book" ofType:@"pdf"]; NSURL *url = [NSURL fileURLWithPath:pdfPath];

NSURLRequest *request = [NSURLRequest requestWithURL:url cachePolicy:(NSURLRequestUseProtocolCachePolicy) timeoutInterval:5];