创建页：表单输入与校验

• 使用 Create + SimpleForm 构建创建表单；
• required() 用于必填校验；

src/customers/CustomersCreate.tsx

import { Create, SimpleForm, TextInput, NumberInput } from "@/components/admin";
import { required } from "ra-core";

export const CustomersCreate = () => (
  <Create>
    <SimpleForm>
      <TextInput source="name" label="名称" validate={required()} />
      <NumberInput source="age" label="年龄" />
      <TextInput source="email" label="邮箱" type="email" />
    </SimpleForm>
  </Create>
);

export default CustomersCreate;