第7节：Vue3 动态绑定多个属性

<template>
  <view class="container">
    <text v-bind="dynamicProps">{{ message }}</text>
    <button @click="toggleActive">切换激活状态</button>
  </view>
</template>
<script>
import { ref } from 'vue';
export default {
  setup() {
    const isActive = ref(false);
    const message = ref('Hello, uniapp!');
    const dynamicProps = computed(() => ({
      class: isActive.value ? 'active' : '',
      'aria-label': message.value,
    }));
    function toggleActive() {
      isActive.value = !isActive.value;
    }
    return {
      isActive,
      message,
      dynamicProps,
      toggleActive,
    };
  },
};
</script>
<style scoped>
.container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
}
.active {
  color: red;
}
</style>