UIWebView *myview = [[UIWebView alloc] initWithFrame:CGRectMake(0, 22, [UIScreen mainScreen].bounds.size.width, [UIScreen mainScreen].bounds.size.height)];
myview.delegate = self;
[self.view addSubview:myview];
NSURL *url = [NSURL URLWithString:@"https://www.baidu.com"];
NSURLRequest *httprequest = [NSURLRequest requestWithURL:url];
[myview loadRequest:httprequest];