< Form.Item label = " 文章标题" name = " articaltest " rules = {[{ validator:(rule、value) => { console.log({rule、value}) } }]} validateStatus = { this .state .myvalidateStatus} hasFeedback help = { this.state.myhelp} rules = {[{ validator:async(rule、value)=> { console.log({rule、value}); if(value.length> 5 ){ throw new Error(' Exceeded maximum length ' ); this .setState({ myvalidateStatus:' error ' 、 myhelp:' 最大長を超えました' }) } else { this .setState({ myvalidateStatus:undefined、 myhelp:undefined }) } } }]} > <Input placeholder = ' 記事のタイトルを入力してください' /> </Form.Item>