这个怎么样?
class CommentOutModifier extends AbstractBehavior { private static final long serialVersionUID = 1L; @Override public void beforeRender(Component component) { component.getResponse().write("<!--"); } @Override public void onRendered(Component component) { component.getResponse().write("-->"); }}add(new Label("tohide", "Hi, can you see me?").add(new CommentOutModifier()));
然后,放入:
<span wicket:id="tohide"></span>
<!--<span>Hi, can you see me?</span>-->
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