如何在流体模板中使用来自自定义ViewHelper的数据。我做了一个自定义的ViewHelper,它像这样返回数据: {cars: { 0: {car:'VW Golf V TDi 140 GT Sport DSG Van',price:'144900'}, 1: {car:'Citroën C5 HDi Elegance',price:'168900'}, 2: {car:'Seat Leon TSi Stylance',price:'173000'} }} ...