非常简单的问题,一串代码就可以解决。复制修改一下就可以直接使用,一个简单的小demo。写项目的时候需要写的功能,不到二十行代码就可以实现。
<html>
<head>
<title>旋转图片</title>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<meta name="viewport" content="initial-scale=1.0, user-scalable=no" />
<style type="text/css">
body, html
{
width: 100%;
height: 100%;
margin: 0;
padding: 0;
background-color: transparent;
}
/*包裹图片div样式*/
#allDiv
{
font-family: "微软雅黑";
font: 14px/1.8 arial;
}
/*图片样式*/
.demoImg
{
background-color: Gray;
border: none;
margin-bottom: 50px;
}
.bottom
{
width: 100%;
position: fixed;
bottom: 10px;
text-align: center;
}
.btn
{
cursor: pointer;
width: 100px;
height: 35px;
background: rgba(38, 38, 38, 0.6);
border: 0px;
color: white;
}
</style>
</head>
<body>
<div id="allDiv" style="text-align: center;">
<img id="demoImg" alt="图片" class="demoImg" src="https://timgsa.baidu.com/timg?image&quality=80&size=b9999_10000&sec=1600861823902&di=29dac776c7336304cc69dc01983cc779&imgtype=0&src=http%3A%2F%2Fb-ssl.duitang.com%2Fuploads%2Fitem%2F201607%2F18%2F20160718205958_EzVsa.jpeg" />
</div>
<div class="bottom">
<div class="col-md-12 col-sm-12 col-xs-12 text-center">
<button class="btn" type="button" onclick="SetImgRotate(0)" id="btnLeft">
左旋转</button>
<button class="btn" type="button" onclick="SetImgRotate(1)" id="btnRight">
右旋转</button>
</div>
</div>
<script type="text/javascript">
//旋转图片
var current = 0;
function SetImgRotate(leftOrRight) {
var img = document.getElementById('demoImg');
if (leftOrRight == 0) {//左旋转
current = (current - 90) % 360;
}
else if (leftOrRight == 1) {//右旋转
current = (current + 90) % 360;
}
img.style.transform = 'rotate(' + current + 'deg)';
}
</script>
</body>
</html>