在react中使用getStaticProps获取数据有问题

Question

我目前正在尝试使用getStaticProps()函数在我的Next.js项目中获取一些数据，我继续得到这个错误:

TypeError: Cannot read property 'map' of undefined

我的代码是这样的:

export const getStaticProps = async () => {
const data = [
{
"id": 1,
"question": "Lorem ipsum dolor sit amet consectetur adipisicing elit.",
"answer": "Lorem ipsum dolor sit amet consectetur adipisicing elit. Iste magni at magnam placeat. Non, saepe?"
},
{
"id": 2,
"question": "Lorem ipsum dolor sit amet consectetur adipisicing elit.",
"answer": "Lorem ipsum dolor sit amet consectetur adipisicing elit. Iste magni at magnam placeat. Non, saepe?"
}
]
return {
props: {
questions: data
}
}
}
export default function FAQ({ questions }) {
return (
<div className="p-8 grid bg-blanco" >
<div className="grid place-content-center text-center mt-10 md:mt-0" >
<h1 className="text-2xl text-gun-rose-700 font-bold" >¿Tiene preguntas? Mira aquí</h1>
<h3 className="text-gun-rose-300 mt-4 max-w-2xl" >Lorem ipsum dolor sit amet consectetur adipisicing elit. Sunt, suscipit. Aliquid molestias eveniet ullam? Dolores, minus? Perspiciatis neque voluptates iste!</h3>
</div>
{questions.map(q => (
<div className="" key={q.id}>
<h3 className="">{q.question}</h3>
<p className="">{q.answer}</p>
</div>
))}
</div>
)
}

任何指导将不胜感激，提前谢谢:)

Answer 1

这可能是一个异步问题，问题不是立即可用的。尝试在问题的开始处使用null检查。

export default function FAQ({ questions }) {
return (
<div className="p-8 grid bg-blanco" >
<div className="grid place-content-center text-center mt-10 md:mt-0" >
<h1 className="text-2xl text-gun-rose-700 font-bold" >¿Tiene preguntas? Mira aquí</h1>
<h3 className="text-gun-rose-300 mt-4 max-w-2xl" >Lorem ipsum dolor sit amet consectetur adipisicing elit. Sunt, suscipit. Aliquid molestias eveniet ullam? Dolores, minus? Perspiciatis neque voluptates iste!</h3>
</div>
{questions && questions.map(q => (
<div className="" key={q.id}>
<h3 className="">{q.question}</h3>
<p className="">{q.answer}</p>
</div>
))}
</div>
)
}

编辑1:

getStaticProps方法只能在页面的顶层组件上使用，如警告

所述解决方法是将getStaticProps方法移动到顶层页面组件。由于文件夹结构非常重要，我已经在沙箱中演示了这个，链接在这里。