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版本:10.x

自定义标头

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使用 httpBatchLinkhttpLink 时,可以在配置中自定义标头选项。

headers 既可以是对象也可以是函数。如果是函数,则会在每次 HTTP 请求时动态调用。

utils/trpc.ts
ts
// Import the router type from your server file
import type { AppRouter } from '@/server/routers/app';
import { httpBatchLink } from '@trpc/client';
import { createTRPCNext } from '@trpc/next';
let token: string;
export function setToken(newToken: string) {
/**
* You can also save the token to cookies, and initialize from
* cookies above.
*/
token = newToken;
}
export const trpc = createTRPCNext<AppRouter>({
config(config) {
return {
links: [
httpBatchLink({
url: 'http://localhost:3000/api/trpc',
/**
* Headers will be called on each request.
*/
headers() {
return {
Authorization: token,
};
},
}),
],
};
},
});
utils/trpc.ts
ts
// Import the router type from your server file
import type { AppRouter } from '@/server/routers/app';
import { httpBatchLink } from '@trpc/client';
import { createTRPCNext } from '@trpc/next';
let token: string;
export function setToken(newToken: string) {
/**
* You can also save the token to cookies, and initialize from
* cookies above.
*/
token = newToken;
}
export const trpc = createTRPCNext<AppRouter>({
config(config) {
return {
links: [
httpBatchLink({
url: 'http://localhost:3000/api/trpc',
/**
* Headers will be called on each request.
*/
headers() {
return {
Authorization: token,
};
},
}),
],
};
},
});

认证登录示例

pages/auth.tsx
ts
const loginMut = trpc.auth.login.useMutation({
onSuccess(opts) {
token = opts.accessToken;
},
});
pages/auth.tsx
ts
const loginMut = trpc.auth.login.useMutation({
onSuccess(opts) {
token = opts.accessToken;
},
});

token 的具体形式完全由开发者决定:既可以是客户端变量(在成功时更新其值),也可以存储在本地存储中(使用时从中获取)。