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我有一个WebView,我想从JavaScript调用Objective-C中的一个视图.有人知道我怎么做吗？

我的ViewController中有这个代码:

- (BOOL)webView:(UIWebView *)webView2 
 shouldStartLoadWithRequest:(NSURLRequest *)request 
 navigationType:(UIWebViewNavigationType)navigationType {

 NSString *requestString = [[request URL] absoluteString];
 NSArray *components = [requestString componentsSeparatedByString:@":"];

 if ([components count] > 1 && 
  [(NSString *)[components objectAtIndex:0] isEqualToString:@"myapp"]) {
  if([(NSString *)[components objectAtIndex:1] isEqualToString:@"myfunction"]) 
  {

   NSLog([components objectAtIndex:2]); [[Airship shared] displayStoreFront]; //<- This is the code to open the Store
   NSLog([components objectAtIndex:3]); // param2
   // Call your method in Objective-C method using the above...
  }
  return NO;
 }

 return YES; // Return YES to make sure regular navigation works as …