How do I display a list of items from a Bean onto a JSF webpage?

Question

I\'m new to JSF and in the process of learning im building an online book store application.

I have 1 class and 1 bean: Book.java and BookCatelog

Answer 1

JSF2 offers two iterating components out the box: and . The former renders nothing to the response (so you have 100% control over the final HTML output), while the latter renders a HTML

to the response and requires a to represent a column of

s. Both components can take among others a List as value. So, you can just have your managed bean like follows: @ManagedBean @RequestScoped public class BookCatalog implements Serializable { private List books; @PostConstruct public void init() { books = new ArrayList(); books.add(new Book(1, "Theory of Money and Credit", "Ludwig von Mises")); books.add(new Book(2, "Man, Economy and State", "Murry Rothbard")); books.add(new Book(3, "Real Time Relationships", "Stefan Molyneux")); } public List getBooks() { return books; } } And you can use to generate for example an : (note that the var attribute basically exposes the currently iterated item by exactly the given name in the EL scope within the component) And here's how to use a instead: As to the JSTL , that's also quite possible, but you should keep in mind that JSTL tags have a different lifecycle than JSF components. Long story short: JSTL in JSF2 Facelets... makes sense? See also: How to choose the right bean scope? How and when should I load the model from database for h:dataTable Creating master-detail pages for entities, how to link them and which bean scope to choose 0 讨论(0) 查看其它2个回答 发布评论: 提交评论  加载中... 验证码  看不清? 提交回复 热议问题