1. 根據下標獲取對應的classname,實現點擊按鈕觸發當前塊的點擊事件

<div class="right" @click="meetingfileVisible(index)">
  <span class="foldIcon">
     <i class="el-icon-caret-bottom"></i>
  </span>
</div>
<div class="meeting-file">
  <span>與現實生活一致</span>
</div> 
            


                

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.meeting-file{ display:none; } 
            


                

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meetingfileVisible(index) { $(".meeting-file").eq(index).slideToggle("slow"); var cal =$(".foldIcon").eq(index).children("i").attr("class"); cal = cal === 'el-icon-caret-bottom' ? 'el-icon-caret-top' : 'el-icon-caret-bottom'; $(".foldIcon").eq(index).children("i").attr("class", cal); }, 
            


                

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