[super viewDidLoad];
webview=[[UIWebView alloc] initWithFrame:self.view.bounds];
[self.view addSubview: webview];
[webview release];
// Do any additional setup after loading the view, typically from a nib.
//沙盒中读取文件
NSString *doc=[NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES) lastObject];
doc=[doc stringByAppendingPathComponent:@"liuyan.html"];
NSLog(@"%@",doc);
NSURL *url=[NSURL fileURLWithPath:doc];
NSLog(@"%@",url);
NSURLRequest *request=[NSURLRequest requestWithURL:url];
[webview loadRequest:request];
}
原文：http://www.cnblogs.com/zero-zql/p/4826588.html