WKWebView初探侦

#import "ViewController.h"
#import 
#import 

@interface ViewController ()

@property (strong, nonatomic) WKWebView *wkWebView;

@end

/**
 *
 *    JSContext： JavaScript          
 *    JSValue：JavaScript Objective-C        
 *    JSManagedValue：         
 *    JSVirtualMachine：      ，    
 *    JSExport：      ，           ，              
 */

@implementation ViewController

#pragma mark ====================           ====================
- (WKWebView *)wkWebView
{
    if (!_wkWebView)
    {
        //        
        WKPreferences *preferences = [[WKPreferences alloc] init];
        //    
        preferences.minimumFontSize = 0;
        //    JavaScript
        preferences.javaScriptEnabled = YES;
        //           , JavaScript      
        preferences.javaScriptCanOpenWindowsAutomatically = NO;
        WKWebViewConfiguration *configuration = [[WKWebViewConfiguration alloc] init];
        configuration.preferences = preferences;
        
        _wkWebView = [[WKWebView alloc] initWithFrame:self.view.bounds configuration:configuration];
    }
    return _wkWebView;
}



- (void)viewDidLoad
{
    [super viewDidLoad];

    [self.view addSubview:self.wkWebView];
    NSURLRequest *request = [[NSURLRequest alloc] initWithURL:[NSURL URLWithString:@"http://www.baidu.com"]];
    [_wkWebView loadRequest:request];
}


#pragma mark ====================    WKNavigationDelegate    ====================
////             ，    ，  ，  ，   
//- (void)webView:(WKWebView *)webView decidePolicyForNavigationAction:(WKNavigationAction *)navigationAction decisionHandler:(void (^)(WKNavigationActionPolicy))decisionHandler
//{
//
//}
//
////            
//- (void)webView:(WKWebView *)webView decidePolicyForNavigationResponse:(WKNavigationResponse *)navigationResponse decisionHandler:(void (^)(WKNavigationResponsePolicy))decisionHandler
//{
//
//}
//
////         
//- (void)webView:(WKWebView *)webView didStartProvisionalNavigation:(null_unspecified WKNavigation *)navigation
//{
//    NSLog(@"%s", __func__);
//}
//
////              
//- (void)webView:(WKWebView *)webView didReceiveServerRedirectForProvisionalNavigation:(null_unspecified WKNavigation *)navigation
//{
//
//}
//
////             
//- (void)webView:(WKWebView *)webView didFailProvisionalNavigation:(null_unspecified WKNavigation *)navigation withError:(NSError *)error
//{
//
//}
//
////           
//- (void)webView:(WKWebView *)webView didCommitNavigation:(null_unspecified WKNavigation *)navigation
//{
//
//}
//
////         
//- (void)webView:(WKWebView *)webView didFinishNavigation:(null_unspecified WKNavigation *)navigation
//{
//
//}
//
////          
//- (void)webView:(WKWebView *)webView didFailNavigation:(null_unspecified WKNavigation *)navigation withError:(NSError *)error
//{
//
//}
//
//
////           , block         
//- (void)webView:(WKWebView *)webView didReceiveAuthenticationChallenge:(NSURLAuthenticationChallenge *)challenge completionHandler:(void (^)(NSURLSessionAuthChallengeDisposition disposition, NSURLCredential * _Nullable credential))completionHandler
//{
//
//}
//
////        
//- (void)webViewWebContentProcessDidTerminate:(WKWebView *)webView API_AVAILABLE(macosx(10.11), ios(9.0))
//{
//
//}




#pragma mark ====================    WKUIDelegate    ====================
//          tab，       .    WKWebView,         、      、window  。          ，      ，       webview   。
//- (nullable WKWebView *)webView:(WKWebView *)webView createWebViewWithConfiguration:(WKWebViewConfiguration *)configuration forNavigationAction:(WKNavigationAction *)navigationAction windowFeatures:(WKWindowFeatures *)windowFeatures
//{
//
//}
//
////  WKWebView   
//- (void)webViewDidClose:(WKWebView *)webView API_AVAILABLE(macosx(10.11), ios(9.0))
//{
//
//}
//
//
////JavaScript  alert         message  alert              completionHandler()
//- (void)webView:(WKWebView *)webView runJavaScriptAlertPanelWithMessage:(NSString *)message initiatedByFrame:(WKFrameInfo *)frame completionHandler:(void (^)(void))completionHandler
//{
//
//}
//
//
////JavaScript  confirm         confirm js     ，   block             
//- (void)webView:(WKWebView *)webView runJavaScriptConfirmPanelWithMessage:(NSString *)message initiatedByFrame:(WKFrameInfo *)frame completionHandler:(void (^)(BOOL result))completionHandler
//{
//
//}
//
//
////JavaScript  prompt         prompt js         block           
//- (void)webView:(WKWebView *)webView runJavaScriptTextInputPanelWithPrompt:(NSString *)prompt defaultText:(nullable NSString *)defaultText initiatedByFrame:(WKFrameInfo *)frame completionHandler:(void (^)(NSString * _Nullable result))completionHandler
//{
//
//}

//- (BOOL)webView:(WKWebView *)webView shouldPreviewElement:(WKPreviewElementInfo *)elementInfo API_AVAILABLE(ios(10.0))
//{
//
//}
//
//- (nullable UIViewController *)webView:(WKWebView *)webView previewingViewControllerForElement:(WKPreviewElementInfo *)elementInfo defaultActions:(NSArray> *)previewActions API_AVAILABLE(ios(10.0))
//{
//
//}
//
//
//- (void)webView:(WKWebView *)webView commitPreviewingViewController:(UIViewController *)previewingViewController API_AVAILABLE(ios(10.0))
//{
//
//}
//
//
//- (void)webView:(WKWebView *)webView runOpenPanelWithParameters:(WKOpenPanelParameters *)parameters initiatedByFrame:(WKFrameInfo *)frame completionHandler:(void (^)(NSArray * _Nullable URLs))completionHandler API_AVAILABLE(macosx(10.12))
//{
//
//}


@end