12 props 傳的是數組處理

<template>
  <div>InfoDetailed</div>
</template>
<script>
export default {
  name: "InfoDetailed",
  props: {
    treeData: {
      type: Array,
      required: true
    }
  },
  data() {
    return {};
  },
  methods: {
    handleRemoveConfirm(row) {
      deleteCategory({ categoryId: row.id })
        .then(data => {
          this.$message.success(data.message);
          // 方法1：數組同基本數據類型看待，要顯式通知（update）父組件sync
          // const res= this.treeData.filter(e => e.id !== row.id);
          // this.$emit("update:treeData", res);

          //方法2：實現刪除數組里面特定的項，父組件的值同時被修改（不用通知父組件）
          let index = this.treeData.findIndex(e => e.id === row.id);
          this.treeData.splice(index, 1);
        })
        .catch(err => console.log(err));
    }
  }
};
</script>
<style lang="scss" scoped></style>