UIWebView向JavaScript公开目标C-UIWebViewExposeObjectiveCtoJavaScript

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The best way to do this would be through a custom link, and then use the UIWebView delegate method -webView:shouldStartLoadWithRequest:navigationType: to trap requests. When you see a request come through with your link in it, you know your action has been triggered.

最好的方法是通过一个自定义链接，然后使用UIWebView委托方法-webView:shouldStartLoadWithRequest:navigationType: to trap请求。当你看到一个请求通过你的链接，你知道你的行动已经被触发。

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There is an example application in the QuickConnectiPhone framework that shows you how to do this.

在QuickConnectiPhone框架中有一个示例应用程序，它向您展示了如何做到这一点。

QuickConnectiPhone also gives you a Javascript function called 'makeCall'. You pass it a command and an array of parameters and it will pass them to the Objective-C side of your app for handling. You can then make your function call.

QuickConnectiPhone还提供一个名为“makeCall”的Javascript函数。您传递一个命令和一个参数数组，它将传递到您的应用程序的Objective-C端处理。然后可以进行函数调用。

You can find it here on Sourceforge.

你可以在Sourceforge上找到它。

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To see an example of this check out the PhoneGap source code from Github:

要查看这个示例，请从Github中查看PhoneGap源代码:

http://github.com/sintaxi/phonegap/tree/master/iphone/Classes/GlassAppDelegate.m

http://github.com/sintaxi/phonegap/tree/master/iphone/Classes/GlassAppDelegate.m