<template> <div> <input placeholder="最高价" type='number' onkeyup="value=value.replace(/[^\d]/g,'')" @keyup="key()" v-model="inputValue" class="font-22 inputNumber pl-20" /> </div> </template> <script> export default { data() { return { inputValue: '' }; }, created() { }, mounted() { }, methods: { // 输入内容的时候触发 key () { console.log(1); } }, } </script> <style lang='less' scoped> </style>