{* ../../docs_src/query_param_models/tutorial002_an_py310.py hl[10] *}

如果客戶端嘗試在**查詢參數**中發送一些**額外的**資料，他們將會收到一個**錯誤**回應。

例如，如果客戶端嘗試發送一個值為 `plumbus` 的 `tool` 查詢參數，如：

```http
https://example.com/items/?limit=10&tool=plumbus
```

他們將收到一個**錯誤**回應，告訴他們查詢參數 `tool` 是不允許的：

```json
{
    "detail": [
        {
            "type": "extra_forbidden",

#
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 *
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 * Licensed under the Apache License, Version 2.0 (the "License");
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{* ../../docs_src/query_params_str_validations/tutorial011_an_py310.py hl[9] *}

Dann, mit einer URL wie:

```
http://localhost:8000/items/?q=foo&q=bar
```

bekommen Sie alle `q`-*Query-Parameter*-Werte (`foo` und `bar`) in einer Python-Liste – `list` – in ihrer *Pfadoperation-Funktion*, im Funktionsparameter `q`, überreicht.

import okhttp3.OkHttpClientTestRule
import okhttp3.Request
import okhttp3.Route
import okhttp3.TestValueFactory
import okhttp3.internal.connection.RouteSelector.Companion.socketHost
import okhttp3.internal.http.RealInterceptorChain
import okhttp3.internal.http.RecordingProxySelector
import okhttp3.testing.PlatformRule
import org.junit.jupiter.api.AfterEach
import org.junit.jupiter.api.BeforeEach
import org.junit.jupiter.api.Test