JS: changeScrollindex(e) { let num = +e.currentTarget.dataset.num this.setData({ scrollindex: num }) },
HTML:
<view capture-catch:tap="changeScrollindex" data-num="0">颜色</view>
JS: changeScrollindex(e) { let num = +e.currentTarget.dataset.num this.setData({ scrollindex: num }) },
HTML:
<view capture-catch:tap="changeScrollindex" data-num="0">颜色</view>