iOS开发UIWebView展示网页实例代码

hopeanCom

<div id="cnblogs_post_body">iOS开发UIWebView展示网页实例代码

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UIWebView是ios内置的浏览器控件，我们可以用它来浏览网页、打开文档等等。
代码如下
viewController.h

@interface ViewController : UIViewController<UIWebViewDelegate>{    UIWebView *webView;    UIActivityIndicatorView *activityIndicatorView;}@end
viewController.m


- (void)viewDidLoad{    [super viewDidLoad];// Do any additional setup after loading the view, typically from a nib.    webView = [[UIWebView alloc] initWithFrame:CGRectMake(0, 0, 320, 480)];    webView.delegate = self;    webView.scalesPageToFit = YES;    [self.view addSubview:webView];    activityIndicatorView = [[UIActivityIndicatorView alloc]                             initWithFrame : CGRectMake(0.0f, 0.0f, 32.0f, 32.0f)] ;    [activityIndicatorView setCenter: self.view.center] ;    [activityIndicatorView setActivityIndicatorViewStyle: UIActivityIndicatorViewStyleGray] ;    [self.view addSubview : activityIndicatorView] ;        NSURL *url =[NSURL URLWithString:@"http://www.hopean.com"];    NSURLRequest *request =[NSURLRequest requestWithURL:url];    [webView loadRequest:request];}- (void)webViewDidStartLoad:(UIWebView *)webView{    [activityIndicatorView startAnimating] ;}- (void)webViewDidFinishLoad:(UIWebView *)webView{    [activityIndicatorView stopAnimating];}- (void)webView:(UIWebView *)webView didFailLoadWithError:(NSError *)error{    UIAlertView *alterview = [[UIAlertView alloc] initWithTitle:@"" message:[error localizedDescription]  delegate:nil cancelButtonTitle:nil otherButtonTitles:@"OK", nil];    [alterview show];    [alterview release];}