1. 程式人生 > >iOS中webView的三種用法

iOS中webView的三種用法

/***************************************ViewController.h***************************************/

#import

@interface ViewController : UIViewController


@end

@interface ViewController()<</span>UIWebViewDelegate>
@property (weak, nonatomic) IBOutlet UIWebView *webview2;

-(IBAction)testloadHtmlString:(id)sender;
-(IBAction)testloadData:(id)sender;
-(IBAction)testloadRequest:(id)sender;

 
@end

/***************************************ViewController.m***************************************/

#import "ViewController.h"

@interface ViewController ()

@end

@implementation ViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    // Do any additional setup after loading the view, typically from a nib.
}

- (void)didReceiveMemoryWarning {
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
}
-(IBAction)testloadHtmlString:(id)sender
{
    NSString *htmlpath = [[NSBundle mainBundle] pathForResource:@"index" ofType:@"html"];
    NSLog(@"%@",htmlpath);
    NSURL *bundleUrl = [NSURL fileURLWithPath:[[NSBundle mainBundle] bundlePath]];
    NSLog(@"%@",bundleUrl);
    NSError *error = nil;
    NSString *html = [[NSString alloc]initWithContentsOfFile:htmlpath encoding:NSUTF8StringEncodingerror:&error];
    
    if(error == nil)
    {
        [self.webview2 loadHTMLString:html baseURL:bundleUrl];
    }
}

-(IBAction)testloadData:(id)sender
{
    NSString *htmlpath = [[NSBundle mainBundle] pathForResource:@"index" ofType:@"html"];
    NSLog(@"%@",htmlpath);
    NSURL *bundleUrl = [NSURL fileURLWithPath:[[NSBundle mainBundle] bundlePath]];
    NSLog(@"%@",bundleUrl);
    NSError *error = nil;
    NSData *htmlData = [[NSData alloc] initWithContentsOfFile:htmlpath];
    if(error == nil)
    {
        [self.webview2 loadData:htmlData MIMEType:@"text/html" textEncodingName:@"UTF-8"baseURL:bundleUrl];
    }
}

-(IBAction)testloadRequest:(id)sender
{
    NSLog(@"testloadRequest");
    NSURL * url = [NSURL URLWithString:@"http://www.baidu.com"];
    NSURLRequest * request = [NSURLRequest requestWithURL:url];
    [self.webview2 loadRequest:request];
    self.webview2.delegate = self;
}


#pragma mark
-(void)webViewDidFinishLoad:(UIWebView *)webView
{
    NSLog(@"%@",[webView stringByEvaluatingJavaScriptFromString:@"document.body.innerHtml"]);
}

@end