需求实战一

<template>
    <transition name="fade-in" appear>
        <ARow v-if="show">
            <ACol>
                <div class="info-card">
                    <div class="info-title">
                        数据总和
                    </div>
                    <div class="info-value">
                        100
                    </div>
                </div>
            </ACol>
        </ARow>
    </transition>
</template>

<script setup lang="ts">
import { ref } from 'vue';

const show = ref(false);

// 在需要的时候触发过渡效果
setTimeout(() => {
    show.value = true;
}, 1000);
</script>

<style scoped>
.fade-in-enter-active {
    animation: fade-in 1s;
}

@keyframes fade-in {
    from {
        opacity: 0;
        transform: translateX(-100px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.info-card {
    width: 318px;
    height: 116px;
    background-color: #bebebe;
    box-shadow: 0px 2px 10px 1px rgba(23,179,163,0.07);
    border-radius: 4px;
}

.info-title {
    font-size: 18px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    color: #333333;
    line-height: 21px;
    padding: 20px 0 20px 30px;
}

.info-value {
    font-size: 36px;
    font-family: Microsoft YaHei;
    font-weight: bold;
    color: #333333;
    line-height: 21px;
    padding: 0 0 0 30px;
}
</style>

这段代码是一个Vue组件，实现了一个渐入效果的过渡动画。下面是对代码的解读：

1.