加载本地HTML文件

UIWebView*webView = [[UIWebView alloc] initWithFrame:self.view.frame];
NSString*path = [[NSBundle mainBundle] bundlePath];
NSURL*url = [NSURL fileURLWithPath:path];
/*NSString*htmlPath = [[NSBundle mainBundle] pathForResource:@"code.txt" ofType:nil];*/
NSString*htmlPath = [[NSBundle mainBundle] pathForResource:@"help.html" ofType:nil];
NSString*htmlCont = [NSString stringWithContentsOfFile:htmlPath encoding:NSUTF8StringEncoding error:nil];
[webView loadHTMLString:htmlCont baseURL:url];
[self.view addSubview:webView];