vue控制页面不能复制

<template>
<div @contextmenu.prevent @copy.prevent @cut.prevent @paste.prevent class="no-select">
<!-- 页面内容 -->
</div>
</template>
<style scoped>
.no-select {
     user-select: none;
     -moz-user-select: none;
     -webkit-user-select: none;
     -ms-user-select: none;
}
</style
<script>
export default {
     name: 'NoCopyPage'
}
</script>