/* 动画 */
.downIcon {
transform: rotate(0deg) !important;
-webkit-transition: transform 0.25s linear;
-moz-transition: transform 0.25s linear;
-o-transition: transform 0.25s linear;
transition: transform 0.25s linear;
}
.iconTrans {
transform: rotate(180deg) !important;
-webkit-transition: transform 0.25s linear;
-moz-transition: transform 0.25s linear;
-o-transition: transform 0.25s linear;
transition: transform 0.25s linear;
}
<img src="./img/icon-down.svg" :class="{ downIcon: true, iconTrans: this.isShowOption1 }"/>
标签：vue,linear,0.25,transition,transform,点击,写法 From： https://www.cnblogs.com/qdyzhuang/p/16966582.html