# Toast
点击弹出提示框
# 基本用法
点击弹出消息提示框，提示框在限定时间内自动消失
<s-button @click="$toast('点击弹出提示')">上方弹出</s-button>
<s-button @click="$toast('点击弹出提示',{position: 'middle'})">中间弹出</s-button>
<s-button @click="$toast('点击弹出提示',{position: 'bottom'})">下方弹出</s-button>
# 关闭按钮
点击关闭按钮，提示框消失
<s-button @click="$toast('点击弹出提示'),{position: 'top',closeButton: {text: '关闭',callback:outputMessage}}">上方弹出</s-button>
<s-button @click="$toast('点击弹出提示',{position: 'middle',closeButton: {text: '关闭'}})">中间弹出</s-button>
<s-button @click="$toast('点击弹出提示',{position: 'bottom',closeButton:{text: '关闭'}})">下方弹出</s-button>