vue下拉框 获取选中的值

<template>
    <div>
        <!-- 下拉框获取value值 -->
        <el-select v-model="query" @change="selectChanged">
            <el-option v-for="item in options" :key="item.value" :value="item" :label="item.label"></el-option>
            <el-button></el-button>
        </el-select>
        
    </div>
</template>
<script>
    export default {
        data() {
            return {
                restaurants: [],
                state: '',
                timeout: null,

                // 复选框的值
                options: [{
                    value: '01',
                    label: '我的'
                }, {
                    value: '02',
                    label: '你的'
                }, {
                    value: '03',
                    label: '他的'
                }],
                query: '02'
            }
            
        },
        
            
             methods: {
                 selectChanged(params) {
                  const { value, label } = params;
		    console.log(value, label)

                 },
                  
                 
             
                },
              
        
    }
</script>
<style></style>

点击获得value,key