iPhone开发 No IB 添加一个webview来显示网页

 UIWebView* web=[[UIWebViewalloc] initWithFrame:CGRectMake(0, 0, 320, 460)];

NSURL *url =[NSURLURLWithString:@"http://www.fanwa.net"];     

NSURLRequest *request =[NSURLRequestrequestWithURL:url];   

[web loadRequest:request];

[self.viewaddSubview:web];