import org.apache.wicket.request.mapper.parameter.IPageParametersEncoder; //导入依赖的package包/类
@Override
protected Url encodePageParameters(Url url, PageParameters pageParameters, IPageParametersEncoder encoder) {
    //get special page parameter that encodes the page fragment/anchor
    final StringValue fragment = pageParameters.get(FRAGMENT_PAGE_PARAMETER);

    if (fragment.isEmpty()) {
        //business as usual
        return super.encodePageParameters(url, pageParameters, encoder);
    } else {
        //we have a fragment parameter, remove from normal parameters and do post-processing
        pageParameters.remove(FRAGMENT_PAGE_PARAMETER);
        
        final Url result = super.encodePageParameters(url, pageParameters, encoder);
        
        //set the fragment on the resulting URL
        result.setFragment(fragment.toString());
        return result;
    }
}
 

import org.apache.wicket.request.mapper.parameter.IPageParametersEncoder; //导入依赖的package包/类
@Override
protected Url encodePageParameters(Url url, PageParameters pageParameters, IPageParametersEncoder encoder) {
	return new PathAwareUrl(super.encodePageParameters(url, pageParameters, encoder));
}
 

import org.apache.wicket.request.mapper.parameter.IPageParametersEncoder; //导入依赖的package包/类
public ExactMatchMountedMapper(String mountPath,
                               Class<? extends IRequestablePage> pageClass,
                               IPageParametersEncoder pageParametersEncoder) {
    super(mountPath, pageClass, pageParametersEncoder);
}
 

import org.apache.wicket.request.mapper.parameter.IPageParametersEncoder; //导入依赖的package包/类
public FragmentEncodingMountedMapper(String mountPath, Class<? extends IRequestablePage> pageClass, IPageParametersEncoder pageParametersEncoder) {
    super(mountPath, pageClass, pageParametersEncoder);
}
 

import org.apache.wicket.request.mapper.parameter.IPageParametersEncoder; //导入依赖的package包/类
public PageParameterAwareMountedMapper(String mountPath, Class<? extends IRequestablePage> pageClass,
		IPageParametersEncoder pageParametersEncoder) {
	super(mountPath, pageClass, pageParametersEncoder);
}
 

import org.apache.wicket.request.mapper.parameter.IPageParametersEncoder; //导入依赖的package包/类
public NoVersionMountedMapper(String mountPath, Class<? extends IRequestablePage> pageClass,
		IPageParametersEncoder pageParametersEncoder) {
	super(mountPath, pageClass, pageParametersEncoder);
}