Javascript ReactJS表单呈现问题
我正在学习reactjs,我的表格有问题 我从控制台收到如下错误Javascript ReactJS表单呈现问题,javascript,jquery,ajax,reactjs,react-jsx,Javascript,Jquery,Ajax,Reactjs,React Jsx,我正在学习reactjs,我的表格有问题 我从控制台收到如下错误profile.js:54 Uncaught TypeError:重新加载页面时无法读取未定义的属性“target”。表单没有在我的页面中呈现,但我认为这段代码应该可以工作 my file profile.js: var BasicInput = React.createClass({ render: function () { return ( <input type="tex
profile.js:54 Uncaught TypeError:重新加载页面时无法读取未定义的属性“target”。表单没有在我的页面中呈现,但我认为这段代码应该可以工作
my file profile.js:
var BasicInput = React.createClass({
render: function () {
return (
<input type="text" onChange={this.props.valChange} value={ this.props.val} />
);
}
});
var BasicForm = React.createClass({
getInitialState: function(){
return {
firstName: '',
lastName: ''
};
},
submit: function (e){
var self;
e.preventDefault()
self = this;
console.log(this.state);
var data = {
firstName: this.state.firstName,
lastName: this.state.lastName
};
// Submit form via jQuery/AJAX
$.ajax({
type: 'POST',
url: '/accounts/profile/details-form',
data: data
})
.done(function(data) {
self.clearForm()
})
.fail(function(jqXhr) {
console.log('failed to change basic info');
});
},
clearForm: function() {
this.setState({
firstName: "",
lastName: ""
});
},
firstnameChange: function(e){
this.setState({firstName: e.target.value});
},
lastnameChange: function(e){
this.setState({lastName: e.target.value});
},
render: function() {
return (
<form onSubmit={this.submit}>
<div className="form-half">
<BasicInput label="Firstname" valChange={this.firstnameChange()} val={this.state.firstName}/>
</div>
<div className="form-half">
<BasicInput label="Lastname" valChange={this.lastnameChange()} val={this.state.lastName}/>
</div>
<button type="submit">Submit</button>
</form>
);
}
});
ReactDOM.render(
<BasicForm />,
document.getElementById('basicInfoForm')
);
var BasicInput=React.createClass({
渲染:函数(){
返回(
);
}
});
var BasicForm=React.createClass({
getInitialState:函数(){
返回{
名字:'',
姓氏:“”
};
},
提交:职能(e){
var-self;
e、 预防默认值()
self=这个;
console.log(this.state);
风险值数据={
名字:this.state.firstName,
lastName:this.state.lastName
};
//通过jQuery/AJAX提交表单
$.ajax({
键入:“POST”,
url:“/accounts/profile/details form”,
数据:数据
})
.完成(功能(数据){
self.clearForm()
})
.失败(功能(jqXhr){
console.log('更改基本信息失败');
});
},
clearForm:function(){
这是我的国家({
名字:“,
姓氏:“
});
},
firstnameChange:函数(e){
this.setState({firstName:e.target.value});
},
lastnameChange:函数(e){
this.setState({lastName:e.target.value});
},
render:function(){
返回(
提交
);
}
});
ReactDOM.render(
,
document.getElementById('BasicInfo')
);
这个代码有什么问题
非常感谢您对此问题的帮助。您应该传递对函数firstnameChange
和lastnameChange
的引用,但不要调用它们(从每个函数中删除()
)
<BasicInput
label="Firstname"
valChange={ this.firstnameChange }
val={ this.state.firstName }
/>
<BasicInput
label="Lastname"
valChange={ this.lastnameChange }
val={ this.state.lastName }
/>