-1
的道具的子组件能够当它被夷为平地,进入状态 -无法访问对象
this.state = {
name: '',
email: ''
};
而下面的视图代码
<Form
handleFormChange={this.props.handleFormChange}
name={this.props.name}
email={this.props.email} />
但当状态的构成嵌套的方式组件无法访问它
this.state = {
company: {
name: '',
email: ''
}
}
与此相应的视图代码
<Form
handleFormChange={this.props.handleFormChange}
name={this.props.company.name}
email={this.props.company.email} />
据指出 “无法读取的不确定(...)属性 '名'”
全成分: company.js
export default class Company extends React.Component {
constructor(props) {
super(props);
this.state = {
company: {
name: '',
email: ''
}
};
};
render() {
return (
<AddCompanyModal
activeAddDialog={this.state.activeAddDialog}
addDialog={this.addDialog}
saveData={this.saveData}
handleFormChange={this.handleFormChange} />
)
}
}
addCompanyModal.js
export default class AddCompanyModal extends React.Component {
render() {
return (
<Dialog
active={this.props.activeAddDialog}
onEscKeyDown={this.props.addDialog}
onOverlayClick={this.props.addDialog}
title='Add Company Information'
>
<CompanyForm
handleFormChange={this.props.handleFormChange} />
</Dialog>
)
}
}
个
CompanyForm.js
export default class CompanyForm extends React.Component {
render() {
return (
<section>
<Input
icon='business'
type='text'
label='Name'
name={this.state.company.name}
value={this.state.company.name}
onChange={this.props.handleFormChange.bind(this, 'name')} />
</section>
)
}
}
哦愚蠢的错误感谢 –
如果它解决您的问题,记住我的答案是正确的:)现在 –
其说明 - 不能为线路名读取属性“公司”空的(...)= {this.state.company .name} –