您可以为每个孩子使用displayName，可通过以下类型进行访问：
for (child in this.props.children){ if (this.props.children[child].type.displayName != 'Card'){ console.log("Warning CardGroup has children that aren't Card components"); } }
您可以为每个孩子使用displayName，可通过以下类型进行访问：
for (child in this.props.children){ if (this.props.children[child].type.displayName != 'Card'){ console.log("Warning CardGroup has children that aren't Card components"); } }名师互学网 版权所有 (c)2021-2022 ICP备案号：晋ICP备2021003244-6号
