React组件有问题。也许有人知道,这是怎么了。我在我的项目中使用react-datepicker库来填充客户端上的日期输入。所有表单输入都可以使用,但是当我尝试在日历下拉菜单中选择日期时会发生错误。
我是新来的反应者,也许在处理这些状态时会出现某种错误。 我将不胜感激!
这里是清单:
import React, { Component } from 'react';
import axios from 'axios';
import DatePicker from "react-datepicker";
import "react-datepicker/dist/react-datepicker.css";
class Transfer extends Component {
constructor(props) {
super(props);
this.state = {
value: [],
loading: true,
error: false,
startDate: new Date()
};
this.handleSubmit = this.handleSubmit.bind(this);
}
onChange(e) {
this.setState({ [e.target.name]: e.target.value })
}
handleSubmit(e) {
e.preventDefault();
const data = {
name: this.state.name,
email: this.state.email,
phone: this.state.phone,
people: this.state.people,
date: this.state.date,
text: this.state.text
};
axios.post('http://localhost:5555/email/transfer', { data })
.then(res => {
console.log(data);
})
}
render() {
return (
<div className="wrapper">
<h5>Заказать трансфер</h5>
<form action="" onSubmit={this.handleSubmit}>
<div className="label-section">Имя</div>
<input name="name" id="name" type="text" defaultValue="" onChange={e => this.onChange(e)} /><br />
<div className="label-section">Email</div>
<input name="email" id="email" type="text" defaultValue="" onChange={e => this.onChange(e)} /><br />
<div className="label-section">Телефон</div>
<input name="phone" id="phone" type="text" defaultValue="" onChange={e => this.onChange(e)} /><br />
<div className="label-section">Количество человек</div>
<input name="people" id="people" type="number" min="1" max="11" defaultValue="" onChange={e => this.onChange(e)} />
<div className="label-section">Дата</div>
<DatePicker
id="date"
name="date"
defaultValue=""
selected={this.state.startDate}
onChange={e => this.onChange(e)}
/>
<div className="label-section">Оставьте нам сообщение</div>
<textarea name="text" id="text" type="text" cols={30} rows={10} defaultValue="" onChange={e => this.onChange(e)} /><br /><br />
<button type="submit" className="xbutton">Отправить</button>
</form>
</div>
);
}
}
export default Transfer;
感谢您的帮助!)
答案 0 :(得分:1)
好的,我更改了一些内容,并且成功了。 不确定我是否以更好的方式做到了,但是它能起作用。
我声明了另一个函数:
onChangeDate(date) {
console.log(date.toISOString());
this.setState({ startDate: date })
}
并将其用于Datepicker组件:
<DatePicker
id="date"
name="date"
defaultValue=""
selected={this.state.startDate}
onChange={date => this.onChangeDate(date)}
/>
在这里,在数组中:
const data = {
name: this.state.name,
email: this.state.email,
phone: this.state.phone,
people: this.state.people,
date: this.state.startDate,
text: this.state.text
};
答案 1 :(得分:1)
React-datepicker不会触发与常规输入字段相同的事件
react-datepicker onChange函数返回一个值-所选日期。
html输入的onChange函数返回一个change event