/***添加伪类，hover 有图标显示******/
tr td:nth-child(1) {
&::before {
content: "\21BB";
position: absolute;
top: 35%;
left: 0;
width: 20px;
height: 20px;
display: none;
}
}
tr td:nth-child(1):hover {
&::before {
display: flex;
position: absolute;
}
}
/***添加伪类，hover 有图标显示******/
tr td:nth-child(1) {
&::before {
content: "";
background: url("~@/assets/images/search.png") 0 0 no-repeat;
position: absolute;
top: 38%;
left: 0;
width: 20px;
height: 20px;
display: none;
}
}
