.html
<div id="holder" hidden style="width: 100%;height: 100%;padding-top: 20%;background-color: #96969633;position: fixed;z-index: 99999;">
<div class="sk-spinner sk-spinner-wave">
<div class="sk-rect1"></div>
<div class="sk-rect2"></div>
<div class="sk-rect3"></div>
<div class="sk-rect4"></div>
<div class="sk-rect5"></div>
</div>
<div style="text-align: center;">
请稍后...
</div>
</div>
.js
$("#holder").show();
$.post('labourInfo', { resourceId: data.infoId,account:data.sfzhm}, (result) => {
$("#holder").hide();
var resultJSON = JSON.parse( result );
})