aliapp-demo/page/biz/components/grid/index.axml

<template name="Grid">
    <view class="grid">
        <block a:for="{{list}}">
            <view
            style="width:{{100/(columnNum || 4)}}%;padding-top:{{100/(columnNum || 4)}}%;" 
            class="grid-item" onTap="handleItemTap"
            data-index={{index}}>
                <view class="grid-item-wrapper">
                    <image src="{{item.icon}}" class="grid-icon" mode="aspectFit" />
                    <text class="grid-text">{{item.text}}</text>
                </view>
            </view>
        </block>
    </view>
</template>