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版本：10.x

HTTP 链接

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httpLink 是一个终止链接，用于通过 HTTP 将 tRPC 操作发送到 tRPC 过程。

httpLink 同时支持 POST 和 GET 请求。

用法​

你可以按如下方式导入 httpLink 并将其添加到 links 数组中：

client/index.ts
ts
import { createTRPCProxyClient, httpLink } from '@trpc/client';
import type { AppRouter } from '../server';
const client = createTRPCProxyClient<AppRouter>({
  links: [
    httpLink({
      url: 'http://localhost:3000',
    }),
  ],
});
client/index.ts
ts
import { createTRPCProxyClient, httpLink } from '@trpc/client';
import type { AppRouter } from '../server';
const client = createTRPCProxyClient<AppRouter>({
  links: [
    httpLink({
      url: 'http://localhost:3000',
    }),
  ],
});

httpLink 函数接受一个符合 HTTPLinkOptions 类型的配置对象。

ts
export interface HTTPLinkOptions {
  url: string;
  /**
   * Add ponyfill for fetch
   */
  fetch?: typeof fetch;
  /**
   * Add ponyfill for AbortController
   */
  AbortController?: typeof AbortController | null;
  /**
   * Headers to be set on outgoing requests or a callback that of said headers
   * @see http://trpc.io/docs/v10/header
   */
  headers?:
    | HTTPHeaders
    | ((opts: { op: Operation }) => HTTPHeaders | Promise<HTTPHeaders>);
}
ts
export interface HTTPLinkOptions {
  url: string;
  /**
   * Add ponyfill for fetch
   */
  fetch?: typeof fetch;
  /**
   * Add ponyfill for AbortController
   */
  AbortController?: typeof AbortController | null;
  /**
   * Headers to be set on outgoing requests or a callback that of said headers
   * @see http://trpc.io/docs/v10/header
   */
  headers?:
    | HTTPHeaders
    | ((opts: { op: Operation }) => HTTPHeaders | Promise<HTTPHeaders>);
}

参考文档​

你可以在 GitHub 上查看该链接的源代码。