前几天做了文章的评论功能，现在用文字记录下来，希望帮助更多的人

//html
<div class="bottom">
          <div class="coomment" @click="show">
              <i class="el-icon-chat-line-round"></i>评论
          </div>
</div>
<div class="commentdec">
  <textarea v-model="newItem" v-on:keyup.enter="addNew" v-if="msg" />
       <ul>
              <li
                v-for="(item,index) in items"
                v-bind:class="{finished: item.isFinished}"
                v-on:click="toggleFinish(item)"
                :key="index"
              >{{item.label}}</li>
       </ul>
</div>

//js
 data() {
    return {
      msg: false,
      items: [],
      newItem: "",
    };
  },
 methods: {

 toggleFinish(item) {
      item.isFinished = !item.isFinished;
    },
    addNew() {
      axios
        .post("接口地址", 传参)
        .then(res => {});
      his.items.push({
        label: this.newItem,
        isFinished: false
      });
      this.newItem = "";
      this.msg = false;
    },
    show() {
      this.msg = !this.msg;
    },
}