我有一个java swing应用程序,想在iframe中呈现html页面。根据我在iframe中所做的操作,参数或数据能否传递回我的java swing应用程序?
谢谢
最佳答案
您可以查看JxBrowser库,它允许将google chromium引擎嵌入到java swing应用程序中。
它提供了用于双向通信的api:java到javascript到java:http://www.teamdev.com/downloads/jxbrowser/docs/JxBrowser-PGuide.html#javascript-java-bridge
下面的代码演示了如何在加载的网页上嵌入浏览器组件、加载url、调用javascript代码以及在javascript端注册每次javascript调用时都将调用的java函数:
import com.teamdev.jxbrowser.chromium.Browser;
import com.teamdev.jxbrowser.chromium.BrowserFactory;
import com.teamdev.jxbrowser.chromium.BrowserFunction;
import com.teamdev.jxbrowser.chromium.JSValue;
import com.teamdev.jxbrowser.chromium.events.FinishLoadingEvent;
import com.teamdev.jxbrowser.chromium.events.LoadAdapter;
/**
* The sample demonstrates how to register a new JavaScript function and
* map it to a Java method that will be invoked every time when the JavaScript
* function is invoked.
*/
public class JavaScriptJavaSample {
public static void main(String[] args) {
Browser browser = BrowserFactory.create();
// Register "MyFunction" JavaScript function and associate Java callback with it
browser.registerFunction("MyFunction", new BrowserFunction() {
public JSValue invoke(JSValue... args) {
for (JSValue arg : args) {
System.out.println("arg = " + arg);
}
return JSValue.create("Hello!");
}
});
// Create JFrame and embed Browser component to display web pages
JFrame frame = new JFrame();
frame.add(browser.getView().getComponent(), BorderLayout.CENTER);
frame.setSize(800, 600);
frame.setLocationRelativeTo(null);
frame.setVisible(true);
// Register Load listener to get notification when web page is loaded completely
browser.addLoadListener(new LoadAdapter() {
@Override
public void onFinishLoadingFrame(FinishLoadingEvent event) {
if (event.isMainFrame()) {
Browser browser = event.getBrowser();
// Invoke our registered JavaScript function
JSValue returnValue = browser.executeJavaScriptAndReturnValue(
"MyFunction('Hello JxBrowser!', 1, 2, 3, true);");
System.out.println("return value = " + returnValue);
}
}
});
browser.loadURL("about:blank");
}
}
关于java - Swing Java应用程序和iframe-两种通信方式,我们在Stack Overflow上找到一个类似的问题:https://stackoverflow.com/questions/22318056/