4
类型“ Readonly <{}>”上不存在属性“值”
我需要创建一个表单，该表单将根据API的返回值显示某些内容。我正在使用以下代码： class App extends React.Component { constructor(props) { super(props); this.state = {value: ''}; this.handleChange = this.handleChange.bind(this); this.handleSubmit = this.handleSubmit.bind(this); } handleChange(event) { this.setState({value: event.target.value}); } handleSubmit(event) { alert('A name was submitted: ' + this.state.value); //error here event.preventDefault(); } render() { return ( <form onSubmit={this.handleSubmit}> <label> Name: <input type="text" value={this.state.value} onChange={this.handleChange} …
155
reactjs
typescript