wicket 中ListView和WebMarkupContainer以及AjaxButton的使用

浅浅的花香味﹌ 2022-04-15 02:18 180阅读 0赞

此例子为wicket中在页面中点检索后，在本页面显示出检索结果所用到的控件：  
  
  
import java.util.ArrayList;  
import java.util.List;  
import jp.co.infomart.foods.common.admin.page.BasePage;  
import org.apache.wicket.ajax.AjaxRequestTarget;  
import org.apache.wicket.ajax.markup.html.form.AjaxButton;  
import org.apache.wicket.markup.html.WebMarkupContainer;  
import org.apache.wicket.markup.html.basic.Label;  
import org.apache.wicket.markup.html.form.Form;  
import org.apache.wicket.markup.html.list.ListItem;  
import org.apache.wicket.markup.html.list.ListView;  
  
/\*\*  
\*  
\* @author admin  
\*/  
public class Test\_ListView extends BasePage \{  
private Form form;  
private static List books = new ArrayList();  
WebMarkupContainer container;  
  
public Test\_ListView()\{  
super();  
form = new Form("myForm");  
this.add(form);  
container = new WebMarkupContainer("listViewContainer");  
container.setOutputMarkupId(true);  
//  
ListView listView = new ListView("books",books)\{  
  
@Override  
protected void populateItem(ListItem item) \{  
Test\_ListViewModel book = (Test\_ListViewModel)item.getModelObject();  
item.add(new Label("id",Integer.toString(book.getId())));  
item.add(new Label("title",book.getTitle()));  
item.add(new Label("author",book.getAuthor()));  
\}  
  
\};  
container.add(listView);  
form.add(container);  
  
AjaxButton ajaxButton = new AjaxButton("ajaxButton") \{  
  
@Override  
protected void onSubmit(AjaxRequestTarget art, Form<?> form) \{  
init();  
art.addComponent(container);  
\}  
  
@Override  
protected void onError(AjaxRequestTarget art, Form<?> form) \{  
throw new UnsupportedOperationException("Not supported yet.");  
\}  
  
\};  
form.add(ajaxButton);  
\}  
  
public void init()\{  
books.clear();  
for(int i=1;i<10;i++)\{  
Test\_ListViewModel book = new Test\_ListViewModel();  
book.setId(i);  
book.setAuthor("author"+i);  
book.setTitle("title"+i);  
books.add(book);  
\}  
  
\}  
\}  
  
  
<html>  
  
<head>  
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">  
<title>test</title>  
</head>  
<body bgcolor="\#FFFFFF" text="\#000000" topmargin="0" leftmargin="0" marginwidth="0" marginheight="0" onUnload="fCloseWin()">  
<form wicket:id="myForm">  
<div wicket:id="listViewContainer">  
<table width="240" border="1">  
<tr>  
<th>序号</th>  
<th>书名</th>  
<th>作者</th>  
</tr>  
  
<tr wicket:id="books">  
<td wicket:id="id">id</td>  
<td wicket:id="title">title</td>  
<td wicket:id="author">author</td>  
</tr>  
  
</table>  
</div>  
<input type="submit" wicket:id="ajaxButton"/>  
</form>  
</body>  
</html>  
  
  
public class Test\_ListViewModel \{  
private int id;  
private String title;  
private String author;  
  
public String getAuthor() \{  
return author;  
\}  
  
public void setAuthor(String author) \{  
this.author = author;  
\}  
  
public int getId() \{  
return id;  
\}  
  
public void setId(int id) \{  
this.id = id;  
\}  
  
public String getTitle() \{  
return title;  
\}  
  
public void setTitle(String title) \{  
this.title = title;  
\}  
  
  
\}