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>
