Reactjs 如何传递自定义道具以验证redux表单中的函数?
我试图创建一个验证函数,如果客户端存在输入错误或服务器返回错误,该函数将返回错误Reactjs 如何传递自定义道具以验证redux表单中的函数?,reactjs,react-redux,redux-form,Reactjs,React Redux,Redux Form,我试图创建一个验证函数,如果客户端存在输入错误或服务器返回错误,该函数将返回错误 import React, { Component } from 'react'; import PropTypes from 'prop-types'; import { connect } from 'react-redux'; import { Form, submit, reduxForm, Field } from 'redux-form'; import Modal from '../../ui/mod
import React, { Component } from 'react';
import PropTypes from 'prop-types';
import { connect } from 'react-redux';
import { Form, submit, reduxForm, Field } from 'redux-form';
import Modal from '../../ui/modal';
import { ACCOUNT_REGISTER_MODAL_ID } from './constants';
import registerRequest from './actions';
import CField from '../../ui/form/field';
function validate(values, props) {
const errors = {};
console.log('-');
console.log(values);
console.log(props);
console.log('-');
if (!errors.description && (!values.description || values.description.trim() === '')) {
errors.description = 'Enter a Description';
}
if (!errors.username && (!values.username || values.username.trim() === '')) {
errors.username = 'Enter a Username';
}
return errors;
}
class RegisterModal extends Component {
static propTypes = {
handleSubmit: PropTypes.func,
fields: PropTypes.array,
register: PropTypes.shape({
requesting: PropTypes.bool,
successful: PropTypes.bool,
messages: PropTypes.array,
errors: PropTypes.array,
fieldErrors: PropTypes.array,
}),
dispatch: PropTypes.func,
};
onSubmit = (values) => {
console.log(this.props);
console.log(values);
}
getForm = () => {
this.props.dispatch(submit('register'));
}
render() {
const {
handleSubmit,
fields,
register: {
requesting,
successful,
messages,
errors,
fieldErrors,
},
} = this.props;
console.log(fieldErrors);
const required = value => value ? undefined : 'Required';
return (
<Modal
modalID={ACCOUNT_REGISTER_MODAL_ID}
header={'Connect Account'}
submitText={'Connect'}
onSubmitClick={this.getForm}
register={this.register}
>
<Form
className="ui form register"
onSubmit={handleSubmit(this.onSubmit)}
fieldErrors={fieldErrors}
>
<Field
name="description"
type="text"
component={CField}
label="Please give a recognizable name to this account"
required
placeholder="My main Account"
/>
<Field
name="username"
type="text"
component={CField}
label="Please enter your username"
required
placeholder="foobar2017"
/>
</Form>
</Modal>
);
}
}
const mapStateToProps = state => ({
register: state.RegisterModal,
});
const connected = connect(mapStateToProps, { registerRequest })(RegisterModal);
const formed = reduxForm({
form: 'register',
fields: ['description', 'username'],
validate
})(connected);
export default formed;
import React,{Component}来自'React';
从“道具类型”导入道具类型;
从'react redux'导入{connect};
从“redux表单”导入{Form,submit,reduxForm,Field};
从“../ui/Modal”导入模态;
从“./常量”导入{ACCOUNT_REGISTER_MODAL_ID};
从“/actions”导入registerRequest;
从“../ui/form/field”导入CField;
功能验证(值、道具){
常量错误={};
console.log('-');
console.log(值);
控制台日志(道具);
console.log('-');
如果(!errors.description&&(!values.description | | values.description.trim(){
errors.description='输入说明';
}
如果(!errors.username&&(!values.username | | values.username.trim(){
errors.username='输入用户名';
}
返回错误;
}
类RegisterModal扩展组件{
静态类型={
handleSubmit:PropTypes.func,
字段:PropTypes.array,
寄存器:PropTypes.shape({
请求:PropTypes.bool,
成功:PropTypes.bool,
消息:PropTypes.array,
错误:PropTypes.array,
fieldErrors:PropTypes.array,
}),
调度:PropTypes.func,
};
onSubmit=(值)=>{
console.log(this.props);
console.log(值);
}
getForm=()=>{
本.道具.发送(提交(“登记”);
}
render(){
常数{
手推,
领域,
登记册:{
请求,,
成功的
信息,
错误,
字段错误,
},
}=这是道具;
console.log(字段错误);
const required=value=>value?未定义:“required”;
返回(
);
}
}
常量mapStateToProps=状态=>({
寄存器:state.registerModel,
});
const connected=connect(mapStateToProps,{registerRequest})(registerModel);
const formed=reduxForm({
表格:'登记',
字段:['description','username'],
验证
})(已连接);
出口违约形成;
传递给validate函数的值中似乎没有一个包含我传递给表单组件的“fieldErrors”属性。我需要能够将prop传递到validate函数中,以便能够访问通过redux接收到的来自服务器的响应
是否有其他方法可以创建验证函数
let TicketList=[]//全局变量
函数(){
TicketList=this.props.tickets;
返回(
)
}
validationHandler(值){
if(票证列表包括(值)){
返回“错误消息”
}
}
这对我有用 你不需要
fieldErrors={fieldErrors}
而不是fieldErrors={this.fieldErrors}
?并且根据文档validate
应该是类型(值:Object,props:Object)=>Object?
我指的是两个参数,不是3,第二个是props
。@YuryTarabanko我更改了validate函数,在单个字段组件上测试它,而不是在表单上测试它,但是无论哪种方式,即使我将它更改为API所说的那样,它仍然不会传递自定义的props。此外,this.fieldErrors也不正确,但更正它仍然不会使其进入验证功能。文档说,您可以将props
属性添加到字段
,但在记录字段的验证道具时,自定义道具不会合并。道具有什么用?
let TicketList = [] // global variable
function () {
TicketList = this.props.tickets;
return (
<Field
validate={validationHandler}
/>
)
}
validationHandler(value){
if(TicketList.includes(value)){
return "error message"
}
}