#import "HMViewController.h"

@interface HMViewController () <UIWebViewDelegate>

@end

@implementation HMViewController

/**

 test.html存在于服务器，里面的html和js代码，我们是无法修改的

 如果test.html显示在手机端，把那个ul去掉

 */

- (void)viewDidLoad

{

    [super viewDidLoad];

    // 1.webView

    UIWebView *webView = [[UIWebView alloc] init];

    webView.frame = self.view.bounds;

    webView.delegate = self;

    [self.view addSubview:webView];

    webView.scalesPageToFit = YES;

    // 2.加载网页

    NSURLRequest *request = [NSURLRequest requestWithURL:[NSURL URLWithString:@"http://localhost:8080/MJServer/resources/htmls/test.html"]];

    [webView loadRequest:request];

}

#pragma mark - UIWebViewDelegate

- (void)webViewDidFinishLoad:(UIWebView *)webView

{

    // 利用webView执行js代码，操作网页中的节点

    NSString *js1 = @"var ul = document.getElementsByTagName('ul')[0];";

    NSString *js2 = @"ul.parentNode.removeChild(ul);";

    [webView stringByEvaluatingJavaScriptFromString:js1];

    [webView stringByEvaluatingJavaScriptFromString:js2];

}

@end