#import <UIKit/UIKit.h>

@interface DXWViewController : UIViewController<UIWebViewDelegate>

@property (retain, nonatomic) IBOutlet UIWebView *webview;

@property(nonatomic,retain) UIAlertView *alert;

@end

ViewController.m:

#import "DXWViewController.h"

@interface DXWViewController ()

@end

@implementation DXWViewController

- (void)viewDidLoad

{

    [super viewDidLoad];

	NSURL *url = [NSURL URLWithString:@"http://www.baidu.com"];

    NSURLRequest *request = [NSURLRequest requestWithURL:url];

    //[self.webview loadRequest:request];

    //加载本地资源,html页面

    NSString *str = [[NSBundle mainBundle] pathForResource:@"百度图片—全球最大中文图片库" ofType:@"html"];

    str = [NSString stringWithContentsOfFile:str encoding:NSUTF8StringEncoding error:nil];

    NSLog(@"%@",str);

    [self.webview loadHTMLString:str baseURL:[[NSBundle mainBundle] bundleURL]];

}

- (void)didReceiveMemoryWarning

{

    [super didReceiveMemoryWarning];

    // Dispose of any resources that can be recreated.

}

- (void)dealloc {

    [_webview release];

    [_alert release];

    [super dealloc];

}

-(void)webViewDidFinishLoad:(UIWebView *)webView

{

    [self.alert dismissWithClickedButtonIndex:0 animated:YES];

}

-(void)webViewDidStartLoad:(UIWebView *)webView

{

    self.alert = [[UIAlertView alloc] initWithTitle:@"Loading..." message:nil delegate:nil cancelButtonTitle:nil otherButtonTitles:nil];

    [self.alert show];

    UIActivityIndicatorView *aiv = [[UIActivityIndicatorView alloc] initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleWhiteLarge];

    aiv.center = CGPointMake(self.alert.bounds.size.width/2, self.alert.bounds.size.height/2);

    [aiv startAnimating];

    [self.alert addSubview:aiv];

}

@end