我正在嘗試爲此(forEach)標記編寫一個類。JSTL:無法實現標記的類<c:forEach>
這裏的類:
public class BookList implements Iterable<Book>
{
public ArrayList<Book> book_list;
public BookList()
{
book_list = new ArrayList<Book>(2);
book_list.add(new Book("BookTitle_01","book_01.html"));
book_list.add(new Book("BookTitle_02","book_02.html"));
}
@Override
public Iterator<Book> iterator() {
return book_list.iterator();
}
}
Book類:JSP頁面的
public class Book {
public String title;
public String url;
public Book(String new_title, String new_url)
{
title = new_title;
url = new_url;
}
}
部分:
<jsp:useBean id="books" scope="session" class="vanya.BookList" />
<c:if test="${inputedFlag}">
<ul>
<c:forEach var="book" items="${books}">
<li>
<a href="${book.url}">${book.title}</a>
</li>
</c:forEach>
</ul>
</c:if>
但它不工作... 什麼是錯的用我的代碼?
你會得到什麼錯誤消息? – 2010-10-20 14:58:42
其實,這個鏈接http://stackoverflow.com/questions/2978536/jstl-using-foreach-to-iterate-over-a-user-defined-class有更好的答案。 – 2011-08-31 06:26:23