el-input-number 里面加单位后缀

HTML:

<el-input-number v-model='number' :min='1' :max='1200' id='number_input'></el-input-number>

JS:

const span = document.createElement('span');
span.setAttribute('style','position: absolute; right:50px; color: #000');
span.append('件');
document.getElementById('package_number_input').lastElementChild.prepend(span);