微信小程序开发：如何避免展示￥0价格

data: { navbar: ['按分类', '按玩法'], currentTab: 0, //分类 currentIndex:0, coursesData: [ {id:1,title: '特惠课', smallPic: '/images/courses/grid-2.png'}, {id:2,title: '拼团课', smallPic: '/images/courses/grid-3.png'}, {id:3,title: '精品课', smallPic: '/images/courses/grid-4.png'}, {id:4,title: '选课报名', smallPic: '/images/courses/grid-5.png'}, {id:5,title: '好礼课', smallPic: '/images/courses/grid-6.png'} ], }, onClickCourses(event) { // console.log(event.currentTarget.dataset.index); wx.navigateTo({ url: '/pages/courses-list/courses-list', }) },