ToolTip 文本提示

<template>
	<div>
		<c-tooltip content="上方" placement="top">
			<span>上</span>
		</c-tooltip>
		<c-tooltip content="左方" placement="left">
			<span>左</span>
		</c-tooltip>
		<c-tooltip content="右方" placement="right">
			<span>右</span>
		</c-tooltip>
		<c-tooltip content="下方" placement="bottom">
			<span>下</span>
		</c-tooltip>
	</div>
</template>
<script>
	export default {
		data() {
			return {}
		},
	}
</script>