我在index.xhtml上有一个数据我的bean:@ManagedBean(name="IndexBean")@ViewScopedpublicclassIndexBeanimplementsSerializable{privateHtmlDataTabledatatableBooks;publicHtmlDataTablegetDatatableBooks(){returndatatableBooks;}publicvoidsetDatatableBooks(HtmlDataTabledatatableBooks){this.datatableBooks=datatableBook