这是如何做到图片加载失败,提示信息覆盖的,有图片就不覆盖
快乐风男� 2020-09-11 10:43:29 img {
height: 50px;
width: 500px;
position: relative;
display: block;
}
img::before {
content: "";
height: 60px;
width: 500px;
background-color: rgb(230, 230, 230);
position: absolute;
display: block;
left: 0;
}
img::after {
content: "图片加载失败";
display: block;
color: rgb(100,100,100);
position: absolute;
left: 0;
width: 500px;
}