# Proxy Rotator - 可选

这项服务是可选的，如果您希望使用 Proxy Rotator，请联系您的客户经理以获取一个域名。

我们不提供连接到单个 IP，而是为您提供一个指向您分配的代理列表的单一端点。每次请求时，该端点都会获取不同的 IP。请查看下面的示例，了解如何将该端点用作代理。

{% hint style="info" %}
该 [vm.oxylabs.io](http://vm.oxylabs.io) 域名仅为示例。请联系您的客户经理以获取转发给您的域名。
{% endhint %}

{% hint style="success" %}
Proxy Rotator 只能与端口一起使用 `60000`.
{% endhint %}

#### 代码示例

{% tabs %}
{% tab title="cURL" %}

```shell
curl -x vm.oxylabs.io:60000 -U user1:pass1 https://ip.oxylabs.io/location
```

{% endtab %}

{% tab title="PHP" %}

```php
<?php
$query = curl_init('https://ip.oxylabs.io/location');
curl_setopt($query, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($query, CURLOPT_PROXY, 'http://vm.oxylabs.io:60000');
curl_setopt($query, CURLOPT_PROXYUSERPWD, "用户名:密码");
$output = curl_exec($query);
curl_close($query);
如果 ($output) {
    echo $output;
}
```

{% endtab %}

{% tab title="Python" %}

```python
import requests

response = requests.get(
    'https://ip.oxylabs.io/location',
    代理={'http': 'http://user1:pass1@vm.oxylabs.io:60000',
            'https': 'http://user1:pass1@vm.oxylabs.io:60000'}
)
print(response.text)
```

{% endtab %}

{% tab title="C#" %}

```csharp
using System;
using System.Net;

类 Example
{
    静态 void Main()
    {
        var proxy = new WebProxy
        {
            Address = new Uri($"http://vm.oxylabs.io:60000"),
            BypassProxyOnLocal = false,
            UseDefaultCredentials = false,
            Credentials = new NetworkCredential("username", "password")
        };

        var handler = new HttpClientHandler
        {
            Proxy = proxy,
        };

        HttpClient client = new HttpClient(handler);
        var task = Task.Run(async () =>
        {
            var response = await client.GetAsync("https://ip.oxylabs.io/location");
            var content = response.Content;
            var result = await content.ReadAsStringAsync();
            return result;
        });

        task.Wait();
        Console.WriteLine(task.Result);
    }
}
```

{% endtab %}
{% endtabs %}

{% hint style="info" %}
代理轮换仅会从您在初始设置期间选择的 ASN 内的代理中选择 IP。自动轮换不会切换到不同的 ISP，也不会更改您未选择的 ASN。
{% endhint %}

### 使用 Proxy Rotator 进行会话控制

可以使用 Proxy Rotator 保持相同的 IP 地址。首先，您需要知道您的 Proxy Rotator 有多少个代理。然后添加 `--proxy-header "Proxy-Server: sXXX"` 请求头，其中 `sXXX` 是代理的编号，例如， `s5` 或 `s2541`.

#### 代码示例

{% tabs %}
{% tab title="cURL" %}

```shell
user1@machine:~$ curl -x vm.oxylabs.io:60000 -U user1:pass1 https://ip.oxylabs.io/location --proxy-header "Proxy-Server: s10"
1.2.30.40
user1@machine:~$ curl -x vm.oxylabs.io:60000 -U user1:pass1 https://ip.oxylabs.io/location --proxy-header "Proxy-Server: s10"
1.2.30.40
user1@machine:~$ curl -x vm.oxylabs.io:60000 -U user1:pass1 https://ip.oxylabs.io/location --proxy-header "Proxy-Server: s10"
1.2.30.40
```

{% endtab %}

{% tab title="PHP" %}

```php
<?php
$query = curl_init('https://ip.oxylabs.io/location');
curl_setopt($query, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($query, CURLOPT_PROXY, 'http://vm.oxylabs.io:60000');
curl_setopt($query, CURLOPT_PROXYUSERPWD, "用户名:密码");
curl_setopt($query, CURLOPT_PROXYHEADER, [
    "Proxy-Server: s10",
]);

$output = curl_exec($query);
curl_close($query);
如果 ($output) {
    echo $output;
}
```

{% endtab %}

{% tab title="Python" %}

```python
import requests


class ProxyAdapter(requests.adapters.HTTPAdapter):
    def proxy_headers(self, proxy):
        headers = super(ProxyAdapter, self).proxy_headers(proxy)
        headers['Proxy-Server'] = 's10'
        return headers


s = requests.Session()
s.代理 = {'http': 'http://username:password@vm.oxylabs.io:60000',
             'https': 'http://username:password@vm.oxylabs.io:60000'}
s.mount('http://', ProxyAdapter())
s.mount('https://', ProxyAdapter())
response = s.get('https://ip.oxylabs.io/location')
print(response.text)
```

{% endtab %}

{% tab title="C#" %}

```csharp
using System;
using System.Net;

类 Example
{
    静态 void Main()
    {
        var client = new WebClient();
        client.Proxy = new WebProxy("http://vm.oxylabs.io:60000");
        client.Proxy.Credentials = new NetworkCredential("user1", "pass1");

        client.Headers.Add("Proxy-Server", "s10");

        Console.WriteLine(client.DownloadString("https://ip.oxylabs.io/location"));
    }
}
```

{% endtab %}
{% endtabs %}


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://developers.oxylabs.io/products/cn/dai-li/dedicated-isp-proxies/enterprise/proxy-rotator-optional.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.