参考：https://blog.csdn.net/qq_33464127/article/details/77506461
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title></title>
<script src="../js/jquery-1.9.1.min.js"></script>
<style type="text/css">
.imgDiv {
display: inline-block;
position: relative;
}
.imgDiv .delete {
position: absolute;
top: 0px;
right: 0px;
width: 10px;
height: 10px;
/*display: none; */
}
</style>
</head>
<body>
<script type="text/javascript">
// $(document).ready(init);
// function init() {
// $(".imgDiv").mouseenter(function () {
// $(this).find(".delete").show();
//
// });
//
//
// $(".imgDiv").mouseleave(function () {
// $(this).find(".delete").hide();
// });
//
// }
</script>
<div class="imgDiv">
<img style="width: 50px;height: 50px;" src="../img/yuantiao.jpg" />
<a href="#">
<img src="../img/add.png" class="delete" />
</a>
</div>
<div class="imgDiv">
<img style="width: 50px;height: 50px;" src="../img/yuantiao.jpg" />
<a href="#">
<img src="../img/add.png" class="delete" />
</a>
</div>
</body>
</html>