子组件（Form.List组件）import React from 'react';import { Form, Col, Row, Select } from 'antd'const { Option } = Selectinterface Iprops {data: Idata[]setData: any}interface Idata {nickNameId: number | undefi

javascript中string与number相加得到字符串，相减却是数字var a = "100";var b = 11;var c = 9;var d = "A"console.log(a+b);//10011console.log(typeof(a+b));//stringconsole.log(a+b-c);//10002console.log(typeof(a+b-c));//numb