1、图片控件添加id
2、js 给 图片控件添加点击事件
<script>
window.onload = function(){
var current = 0;
document.getElementById('target').onclick = function(){
current = (current+90)%360;
this.style.transform = 'rotate('+current+'deg)';
}
};
</script>
3、打开页面，点击图片就可以看到效果了
