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1.第一个列子，调用webview可以识别的字符串，当然该字符需要符合html格式规范

CGRect rect = self.view.bounds;        rect.origin.y +=20;        self.myWebView = [[UIWebView alloc]initWithFrame:rect];            [self.view addSubview:self.myWebView];                NSString *htmlString = @"IOS is runing OK!!!!";        [self.myWebView loadHTMLString:htmlString baseURL:Nil];

CGRect rect = self.view.bounds;        rect.origin.y +=20;        self.myWebView = [[UIWebView alloc]initWithFrame:rect];            [self.view addSubview:self.myWebView];                NSString *htmlString = @"IOS is runing OK!!!!";        [self.myWebView loadHTMLString:htmlString baseURL:Nil];

3.UIWebViewDelegate的应用主要标明状态栏的内容

#import "IKEDViewController.h"@interface IKEDViewController ()
   
    @end@implementation IKEDViewController- (void)viewDidLoad{    [super viewDidLoad];            CGRect rect = self.view.bounds;        rect.origin.y +=20;        self.myWebView = [[UIWebView alloc]initWithFrame:rect];    self.myWebView.scalesPageToFit = YES;            [self.view addSubview:self.myWebView];        NSURL *url = [NSURL URLWithString:@"http://www.hao123.com"];        NSURLRequest *request = [NSURLRequest requestWithURL:url];        self.myWebView.delegate = self;        [self.myWebView loadRequest:request];}-(void)webViewDidStartLoad:(UIWebView *)webView{    [[UIApplication sharedApplication]setNetworkActivityIndicatorVisible:YES];}-(void)webViewDidFinishLoad:(UIWebView *)webView{    [[UIApplication sharedApplication]setNetworkActivityIndicatorVisible:NO];}-(void)webView:(UIWebView *)webView didFailLoadWithError:(NSError *)error{[[UIApplication sharedApplication]setNetworkActivityIndicatorVisible:NO];}- (void)didReceiveMemoryWarning{    [super didReceiveMemoryWarning];}
   

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