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[英]request.query does not print the query in Fastify (querystring)
[英]Fastify Typescript request query
我正在嘗試在 Fastify 之后將一個簡單的端點與 Typescript 文檔放在一起:
https://www.fastify.io/docs/v3.1.x/TypeScript/
export default async function foo(fastify: any) {
const MyInstance = new Foo(fastify.db);
app.get<{ Querystring: IQueryString, Headers: IHeaders }>(
"/foo",
async (request: FastifyRequest, reply: FastifyReply) => {
console.log(request.query); // *prints query object*
const { queryObj } = request.query; // *Gives error: Object is of type 'unknown'*
const result = await MyInstance.getFoo(queryObj);
reply.status(200).send(result);
}
);
}
為什么在我嘗試訪問request.query
object 時出現錯誤,我該如何解決?
默認情況下FastifyRequest.query
的類型RequestQuerystringDefault
映射到unknown
,因為人們無法猜測您要為其設置的屬性/類型。
如果您為某個請求的query
定義了類型,只需定義該請求類型並使用它:
type MyRequest = FastifyRequest<{
Querystring: { queryObj: MyQueryObject }
}>
然后將其指定為預期的請求類型:
async (request: MyRequest, reply: FastifyReply) => {
const { queryObj } = request.query // Ok
}
如果您編寫的代碼看起來像 Express.js,請嘗試以下代碼:
app.get('/foo', async (req: FastifyRequest<{ Params: { name: string, }; }>, rep: FastifyReply,) => { const name = req.params.name // string })
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