Vue 中父组件如何获取子组件中input的值，求大神

<mt-button size="large" type="green" @click="nextstep">下一步</mt-button>
</div>
</mt-content>
</template>
<script>
import MtContent from '../../components/content'
import MtHeader from '../../components/header.vue'
import MtButton from '../../components/button.vue'
import MtField from '../../components/field.vue'
import $ from 'zepto'

export default{
data () {
return{
msg:'hello vue'
}
},
methods: {
nextstep () {
}
},
components: {
MtContent,
MtHeader,
MtButton,
MtField

温馨提示：答案为网友推荐，仅供参考

当前网址：https://verywind.cn/ee/v2x2j72x7yyvyv77r37.html