收藏文章组件

 组件 ：collectArticle

<template>
  <div class="collect-container">
    <van-loading v-if="isLoading" type="spinner" color="#1989fa"></van-loading>
    <van-icon
      v-else
      :color="value ? '#ff0000' : '#777'"
      :name="value ? 'star' : 'star-o'"
      @click="clickHandler"
    />
  </div>
</template>

<script>
import { delCollectArticleApi, addCollectArticleApi } from "@/api/Article";
export default {
  name: "collectArticle",
  data() {
    return {
      isLoading: false,
    };
  },
  props: {
    // 是否收藏
    value: {
      type: Boolean,
      required: true,
    },
    // 文章的 id
    articleId: {
      type: [String, Number],
      required: true,
    },
  },
  methods: {
    async clickHandler() {
      // 判断是否登录了，未登录不允许点击
      if (!this.$store.state.user) return this.$toast.fail("登录后才可以操作");
      // 节流阀 => 开始转圈圈
      this.isLoading = true;
      try {
        if (this.value) {
          // 去过已经收藏就取消
          await delCollectArticleApi(this.articleId);
        } else {
          // 如果未收藏就收藏
          await addCollectArticleApi({
            target: this.articleId,
          });
        }
        // 更新视图（按钮的状态）
        // this.value = !this.value;
        // vue 是单向数据流传递
        this.$emit("input", !this.value);
      } catch (error) {
        console.log({ error });
        this.$toast.fail("操作失败");
      }
      this.isLoading = false;
    },
  },
};
</script>

<style>
</style>

父组件传值 ：

 <!-- 收藏文章组件 -->
          <collectArticle
            :article-id="articleInfo.art_id"
            :value="articleInfo.is_collected"
            @input="articleInfo.is_collected = $event"
          ></collectArticle>

写成语法糖 v-model

 <collectArticle
            :article-id="articleInfo.art_id"
            v-model="articleInfo.is_collected"
          ></collectArticle>