我用laravel后端制作了反应项目......我有一个CORS问题，我像下面的链接一样做所有事情，用水果蛋糕。
API 的 Laravel 6 CORS 策略问题， 但仍然无法正常工作。
'paths' => ['api/*'],
/*
* Matches the request method. `[*]` allows all methods.
*/
'allowed_methods' => ['*'],
/*
* Matches the request origin. `[*]` allows all origins.
*/
'allowed_origins' => ['*'],
/*
* Matches the request origin with, similar to `Request::is()`
*/
'allowed_origins_patterns' => [],
/*
* Sets the Access-Control-Allow-Headers response header. `[*]` allows all headers.
*/
'allowed_headers' => ['*'],
/*
* Sets the Access-Control-Expose-Headers …我遇到一个错误：
超过最大更新深度。当组件重复调用componentWillUpdate或componentDidUpdate内部的setState时，可能会发生这种情况。React限制了嵌套更新的数量，以防止无限循环。
我的代码是：
class Login extends React.Component {
constructor(props){
super(props);
this.state = {
firstName: '',
password: '',
isLogged: false
}
this.handleSubmit = this.handleSubmit.bind(this);
this.handleChangeFirstName = this.handleChangeFirstName.bind(this);
this.handleChangePassword = this.handleChangePassword.bind(this);
}
handleChangeFirstName(event) {
this.setState({firstName: event.target.value})
}
handleChangePassword(event) {
this.setState({password: event.target.value})
}
handleSubmit(event) {
console.log('login');
console.log('first name:' ,this.state.firstName);
console.log('password:' ,this.state.password);
this.props.loginRequest(this.state.firstName, this.state.password);
// console.log('login',this.props)
}
componentDidUpdate() {
if(this.props.request.message === 'ok'){
console.log('ok');
this.setState({isLogged: true});
this.props.history.push('/');
//path is ok!!!
console.log('path from history: ', this.props.history);
}
}
render() {
return(
<div>
{this.state.isLogged ? <App /> …