UIWebView

1.打开本地html

 NSString *databasePathFromApp2 = [[[NSBundle mainBundle] resourcePath] stringByAppendingPathComponent:@"html5.html"];    NSURL *url = [NSURL fileURLWithPath:databasePathFromApp2];    NSURLRequest *request = [NSURLRequest requestWithURL:url];    [self.m_webView loadRequest:request];

2.打开url

 NSURL *url = [NSURL URLWithString:@"http://www.baidu.com"];    NSURLRequest *request = [NSURLRequest requestWithURL:url];            [self.m_webView loadRequest:request];