是这样吗? `textarea_number_data` 就是要获取的值 `textarea_number` 是显示值 import {ref} from "vue"; const textarea_number_data = ref(); const textarea_number = ref(); const keyupNumber = () => { textarea_number_data.value = textarea_number.value.replace(/[^\d.]/g, "").replace(/\.(?=.*\.)/g, ""); console.log(textarea_number_data.value) textarea_number.value = textarea_number_data.value.match(/.{1,6}/g).join("\n"); }