將v-for當前項信息從列表帶到詳情

<WaterfallItem v-for="(item, index) in caseList" :key="index" :order="index">

  <div v-if="item.num>item.sell_num" class="itemImg" :id="item.id" :data="host+item.img_url"  @click="clickImg(item)">
    <div class="img_show"><img :src="host+item.img_url"></div>
    <div class="goodsTit">{{item.title}}:</div> <div class="goodsIntro" v-html="item.remark"></div>
    <p class="inPrice"><i>¥ {{item.price}}</i> <span class="fr">價格：{{item.in_price}}</span></p>
    <p class="numPage">總：{{item.num}} <span class="fr">已賣：{{item.sell_num}}</span></p>
    <!-- <div class="share">
        <span><a href="javascript:void(0);"><img src="../../../static/images/qzone.png"></a></span>
        <span><a href="https://weibo.com/u/3818321066/home?wvr=5"><img src="../../../static/images/weibo.png"></a></span>
        <span><a href="javascript:void(0);"><img src="../../../static/images/weixin.png"></a></span>
    </div> -->
  </div>
</WaterfallItem>

clickImg(item){//點擊跳轉
  //存儲當前點擊元素綁定的數據（這裏需要將數據轉化爲字符串，因localStorage只能存字符串），在跳轉後的頁面將其轉爲JSON格式
  localStorage.setItem('goodsItem',JSON.stringify(item));
  localStorage.setItem('host',this.host);
  this.$router.push("/oneBuyList");
}

詳情頁中

created(){
  this.goods=JSON.parse(localStorage.getItem("goodsItem"))
},