```

在浏览器中打开 <a href="http://127.0.0.1:8000" class="external-link" target="_blank">http://127.0.0.1:8000</a>。

在页面中，您可以设置：

* "Item ID"，用于路径。
* "Token"，作为查询参数。

/// tip

注意，查询参数 `token` 将由依赖项处理。

///

通过这样，您可以连接 WebSocket，然后发送和接收消息：

<img src="/img/tutorial/websockets/image05.png">

## 处理断开连接和多个客户端

pkg go/token, const AND_NOT_ASSIGN Token
pkg go/token, const ARROW Token
pkg go/token, const ASSIGN Token
pkg go/token, const BREAK Token
pkg go/token, const CASE Token
pkg go/token, const CHAN Token
pkg go/token, const CHAR Token
pkg go/token, const COLON Token
pkg go/token, const COMMA Token
pkg go/token, const COMMENT Token
pkg go/token, const CONST Token
pkg go/token, const CONTINUE Token

from fastapi import FastAPI, Header

app = FastAPI()


@app.get("/items/")
async def read_items(x_token: list[str] | None = Header(default=None)):

	return ConnectWSWithRoutePath(dial, auth, tls, RoutePath)
}

// ValidateTokenFn must validate the token and return an error if it is invalid.

    name: Add issue to project
    runs-on: ubuntu-latest
    steps:
      - uses: actions/add-to-project@v0.5.0
        with:
          project-url: https://github.com/orgs/miniohq/projects/2

          close-pr-message: "This PR was closed because it has been inactive for 14 days since being marked as stale. Please reopen if you'd like to work on this further."
          repo-token: ${{ secrets.GITHUB_TOKEN }}
      - name: Contribution issues
        uses: actions/stale@5f858e3efba33a5ca4407a664cc011ad407f2008 # v10.1.0
        with:

     * "user.addresses(myAddress).street"</li>
     * </ul>
     *
     * @param expression not null expression
     * @param root not null object
     * @param trimRootToken trim root token yes/no.
     * @return the object defined by the expression
     * @throws IntrospectionException if any
     */
    public static Object evaluate(@Nonnull String expression, @Nullable Object root, boolean trimRootToken)

				return &credentials.WebIdentityToken{
					Token: r.Form.Get("id_token"),
				}, nil
			}
		} else {
			getWebTokenExpiry = func() (*credentials.WebIdentityToken, error) {
				oauth2Token, err := config.Exchange(ctx, r.URL.Query().Get("code"))
				if err != nil {
					return nil, err
				}
				if !oauth2Token.Valid() {
					return nil, errors.New("invalid token")
				}

            List<String> optionValues = context.options().projects().get();
            for (final String optionValue : optionValues) {
                for (String token : optionValue.split(",")) {
                    String selector = token.trim();
                    boolean active = true;
                    if (!selector.isEmpty()) {
                        if (selector.charAt(0) == '-' || selector.charAt(0) == '!') {

Там вы можете задать:

* "Item ID", используемый в пути.
* "Token", используемый как query-параметр.

/// tip | Подсказка

Обратите внимание, что query-параметр `token` будет обработан в зависимости.

///

Теперь вы можете подключиться к веб-сокету и начинать отправку и получение сообщений: