ZK listbox 两种分页使用及比较

package test;

import java.util.ArrayList;
import java.util.List;

import org.zkoss.zk.ui.Component;
import org.zkoss.zk.ui.event.Event;
import org.zkoss.zk.ui.event.EventListener;
import org.zkoss.zk.ui.util.GenericForwardComposer;
import org.zkoss.zul.Label;
import org.zkoss.zul.ListModelList;
import org.zkoss.zul.Listbox;
import org.zkoss.zul.Listcell;
import org.zkoss.zul.Listitem;
import org.zkoss.zul.ListitemRenderer;
import org.zkoss.zul.Paging;
import org.zkoss.zul.event.PagingEvent;

public class ListboxCtrl extends GenericForwardComposer<Component>{

private static final long serialVersionUID = 1L;

private Listbox listbox;
private ListModelList<String> model;
private List<String> testList = new ArrayList<String>();
private Paging pagetest;
private int count = 1;

@Override
public void doAfterCompose(Component comp) throws Exception {
// TODO Auto-generated method stub
super.doAfterCompose(comp);

//填充第一页数据
for (int i = 1; i < pagetest.getPageSize()+1; i++) {
testList.add(i+"");
}

model = new ListModelList<String>(testList);
listbox.setModel(model);
listbox.setItemRenderer(new testItemRenderer());

//监听分页改变事件
pagetest.addEventListener("onPaging", new EventListener<Event>() {

@Override
public void onEvent(Event event) throws Exception {
// TODO Auto-generated method stub
PagingEvent pe = (PagingEvent) event;

redraw(pe.getActivePage()+1,pagetest.getPageSize());
}
});
}

public class testItemRenderer implements ListitemRenderer<String>{

@Override
public void render(Listitem item, String data, final int index)
throws Exception {
// TODO Auto-generated method stub

item.setValue(data);
Listcell listcell2 = new Listcell();
Label label = new Label(data);
listcell2.appendChild(label);
listcell2.setParent(item);
}
}

private void redraw(int activePage,int pageSize) {

//清空所有数据
listbox.getItems().clear();
testList.clear();

int total = activePage * pageSize;

for (int i = total-pageSize+1; i <= total; i++) {

//当超过总页数时
if (i > pagetest.getTotalSize()) {
break;
}

testList.add(i+"");
}

model = new ListModelList<String>(testList);
listbox.setModel(model);
}
}