缩放 class 名称不同
<div data-mr-handle="true"
v-if="resizable"
v-for="handle in handles"
:key="handle"
class="handle" :class="handle"
:style="{ display: active ? 'block' : 'none'}">
</div>
handles: {
type: Array,
default: function () {
return ['mt', 'mr', 'mb', 'ml', 'tl', 'tr', 'br', 'bl']
}
}