Input标签中包a标签正确姿势

.dataTableBtn {//a标签

    text-align: center!important;

    border: 1px solid #fff;

    overflow: hidden; /* 修剪input file超出的部分 */

    position:relative;

}

 

.fileupload {//input标签

    opacity:0;

    filter:alpha(opacity=0);

    font-size:100px;

    position:absolute;

    top:0;

    right:0;

}