#import <UIKit/UIKit.h>

@interface ViewController : UIViewController<UIWebViewDelegate,UISearchBarDelegate>{

    UIWebView *webView;

    UISearchBar *searchBar;

}

 @end

-(void)loadView{

    [super loadView];

    CGRect bounds = [[UIScreenmainScreen] applicationFrame];

    //UISearchBar

    searchBar = [[UISearchBar alloc] initWithFrame:CGRectMake(0.0, 0.0, bounds.size.width, 48.0)];

    searchBar.delegate = self;

    searchBar.placeholder = @"Google";   //提示字符

    [self.view addSubview:searchBar];

    webView = [[UIWebViewalloc] initWithFrame:CGRectMake(, , ,  )];

    [webView setScalesPageToFit:YES];                    //自动缩放页面以适应屏幕

    [self.view addSubview:webView];                     //连接到一个现有的窗口上

}

-(void)searchBarSearchButtonClicked:(UISearchBar *)activeSearchBar{

    NSString *query = [searchBar.text stringByReplacingOccurrencesOfString:@" "withString:@"+"];//将“ ”空格替换成“+”

    NSURL *url = [NSURL URLWithString:[NSString stringWithFormat:@"http://www.google.com/search?q=%@",query]];

    NSURLRequest *request = [NSURLRequest requestWithURL:url];

    [webView loadRequest:request];//链接网络地址

}

//webview显示简介内容

    UIWebView * webviewinfomationDetails = [[UIWebView alloc] initWithFrame:GRAPH_SIZE_INTRODUCETEXT];

    webviewinfomationDetails.backgroundColor = [UIColor clearColor];

    [webviewinfomationDetails loadHTMLString:remark baseURL:nil];

    [webviewinfomationDetails setUserInteractionEnabled:NO];

    [(UIScrollView *)[[webviewinfomationDetails subviews] objectAtIndex:] setBounces:NO];

    [webviewinfomationDetails setScalesPageToFit:NO];     //yes:根据webview自适应，NO：根据内容自适应

[webviewinfomationDetails setDelegate:self];

    [myScrollView addSubview:webviewinfomationDetails];

    [webviewinfomationDetails release];

//另一种显示方式

//定义WebView显示内容

    webviewinfomationDetails = [[UIWebView alloc] initWithFrame:GRAPH_SIZE_WEBVIEW];

    [webviewinfomationDetails setScalesPageToFit:NO];  //大小自适应

    NSString *path = [[NSBundle mainBundle] bundlePath];

    NSURL *base = [NSURL fileURLWithPath:path];

    [webviewinfomationDetails loadHTMLString:remark baseURL:base];//链接url

    [webviewinfomationDetails setUserInteractionEnabled:NO];//设置用户不可修改

    [informationDetailsScroll addSubview:webviewinfomationDetails];

    webviewinfomationDetails.delegate=self;

    [webviewinfomationDetails release];

//webview委托   高度自适应

-(void)webViewDidFinishLoad:(UIWebView *)webView

{

    CGSize actualSize = [webView sizeThatFits:CGSizeZero];

    CGRect newFrame = webView.frame;

    newFrame.size.height = actualSize.height;

    webView.frame = newFrame;

    CGSize newsize=CGSizeMake(, +webView.frame.size.height);

    myScrollView.contentSize=newsize;

}