【vue】遍歷循環添加a標簽的屬性值 與獲取某個屬性值

 <span>評論區：</span>
                                <ul class="list-group" v-for="item,key in comment_data">
                                    <li class="list-group-item">
                                        <p><span class="nid">#{% verbatim %} {{ key+1 }} {% endverbatim %}樓</span>&nbsp;&nbsp;
                                            <span>{% verbatim %} {{ item.create_time }} {% endverbatim %}</span>&nbsp;&nbsp;
                                            <span class="nid"><i>評價用戶:</i>{% verbatim %} {{ item.username }} {% endverbatim %}</span>
                                        </p>
                                        <p class="comment_com">
                                            {% verbatim %} {{ item.content }} {% endverbatim %}
                                         <a href="javascript:;" class="fl-right" v-if="is_delete==true" :value="item.pk">刪除</a></p>
                                    </li>
                                </ul>
                                <textarea type="text" id="remark" class="" v-model="comment_datas"></textarea>
                                <p>
                                    <button type="button" class="btn btn-primary" @click="submit">提交評論</button>
                                </p>

// 刪除評論
comment_delete(event){
    console.log(event.target.getAttribute('value'));
}