欢迎您访问程序员文章站本站旨在为大家提供分享程序员计算机编程知识!
您现在的位置是: 首页

wicket 中ListView和WebMarkupContainer以及AjaxButton的使用 wicketAjaxListViewWebMarkupContainerAjaxButton 

程序员文章站 2022-03-09 14:03:43
...
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;
    }
   
   
}