我只是想嘗試一些簡單的事情,例如只在handleSubmit函數中打印this.state.validForm,但我似乎無法訪問this.state.validForm。首先我直接嘗試這個功能,但無濟於事。我是新來的反應。this.state null在reactjs組件
import React, { Component } from 'react';
import TextInput from './TextInput';
class RequestForm extends Component {
constructor(props) {
super(props);
this.state = {validForm : "false"};
this.getInfoForm = this.getInfoForm.bind(this);
}
getInfoForm() {
return this.state.validForm;
}
handleSubmit(event) {
event.preventDefault();
console.log('submit values are');
console.log(event.target.src.value);
console.log(event.target.email.value);
console.log(this.state.validForm);
console.log(this.getInfoForm());
}
render() {
return (
<form onSubmit={this.handleSubmit}>
<TextInput
uniqueName="email"
name="email"
text="Email Address"
required={true}
minCharacters={6}
validate="email"
errorMessage="Email is invalid"
emptyMessage="Email is required"
/>
<TextInput
text="User"
name="User src"
required={true}
minCharacters={3}
validate="notEmpty"
errorMessage="Name is invalid"
emptyMessage="Name is required"
/>
<button type="submit">Submit</button>
</form>
);
}
}
export default RequestForm;
的[參考文獻做出反應並沒有的setState與ES6工作]可能的複製(http://stackoverflow.com/questions/29577977/react-ref-和-setstate-not-working-with-es6) –
同樣考慮以'getInfoForm'的方式預先綁定你的'handleSubmit'。 – ffxsam