iview的slect选中获取value和label值

1、html

<Select v-model="taskcode" @on-change="perChange" style="width:300px" :label-in-value="true">
		        <Option v-for="item in perList" :value="item.value" :key="item.value">{{ item.label }}</Option>
		    </Select>

2、js

taskcode: '',
perList:[
{
value:'111',
label:'aaa'
},{
value:'222',
label:'bbb'
}]

3、方法

methods: {
perChange(e){
console.log(e.value);
console.log(e.label);
}
}