vue深度监听

<template>
	<view>
	</view>
</template>

<script>
//	11位手机号码正则
const REGEXP_TEL = /^((1[3,5,8,7,9,6][0-9])|(14[5,7])|(17[0,6,7,8])|(19[7]))\d{8}$/;
export default {
	data() {
		return {
			// 表单数据存储
			formData: {
				username: '',
                password: ''
			}
		};
	},
	watch: {
		formData: {
			handler: 'cutValue',
			deep: true
		}
	},
	methods: {
		// 监听formData
		cutValue() {
			console.log(this.formData);
		}
	}
};
</script>

<style scoped>
</style>