<li :class="{completed:item.completed}" v-for=\'item in list\' :key="item.id">
<div class="view">
<input class="toggle" type="checkbox" checked>
<label>{{item.name}}</label>
<button class="destroy"></button>
</div>
<input class="edit" value="Create a TodoMVC template">
</li>
下面是数据，completed控制样式
data:{
list:[
{id:1,name:\'抽烟\',completed:false},
{id:1,name:\'喝酒\',completed:true},
{id:1,name:\'烫头\',completed:false},
]
},