zj-Exercise/vue/vue_test/20_src_github搜索案例/components/List.vue

<template>
    <div class="row">
        <!-- 展示用户列表 -->
        <div v-show="info.users.length" class="card" v-for="user in info.users" :key="user.login">
            <a :href="user.html_url" target="_blank">
                <img
                    :src="user.avatar_url"
                    style="width: 100px"
                />
            </a>
            <p class="card-text">{{ user.login }}</p>
        </div>
        <!-- 展示欢迎词 -->
        <h1 v-show="info.isFirst">欢迎使用！</h1>
        <!-- 展示加载中... -->
        <h1 v-show="info.isLoading">加载中...</h1>
        <!-- 展示错误信息 -->
        <h1 v-show="info.errMsg">{{ info.errMsg }}</h1>
    </div>
</template>

<script>
export default {
    name: "List",
    data(){
        return{
            info:{
                isFirst:true,
                isLoading:false,
                errMsg:'',
                users:[]
            }
        }
    },
    mounted(){
        this.$bus.$on('updataListData',(dataObj) => {
            console.log(dataObj)
            this.info = {...this.info,...dataObj}
            // 通过字面量的形式合并对象，也就是对比前后两个对象中的属性，
            //重名的属性就以后面对象的数据为准，后面对象没有的就维持不变
        })
    }
};
</script>

<style scoped>
.album {
  min-height: 50rem; /* Can be removed; just added for demo purposes */
  padding-top: 3rem;
  padding-bottom: 3rem;
  background-color: #f7f7f7;
}

.card {
  float: left;
  width: 33.333%;
  padding: .75rem;
  margin-bottom: 2rem;
  border: 1px solid #efefef;
  text-align: center;
}

.card > img {
  margin-bottom: .75rem;
  border-radius: 100px;
}

.card-text {
  font-size: 85%;
}

</style>