商店item测试

<ItemCard :good="{ ItemId: 8889, Price: 10, Count: 100 }" />

<ItemList :items="[{id:8889, count:10}, {id:2022, count:1}, {id:8005, count:1}, {}]"/>

<ItemGrid :rows="2" :cols="3" :items="[{id:8889, count:10}, {id:2022, count:1}]"/>