


How to implement the interface restrictions and frequency control of Baidu Wenxinyiyan API in PHP development?
How to implement the interface restrictions and frequency control of Baidu Wenxinyiyan API in PHP development?
Overview:
Baidu Wenxin Yiyan API is a very popular interface for obtaining various types of random sentences, including inspirational, emotional, famous quotes, etc. However, since this interface is accessed frequently on the Internet, in order to protect server resources and ensure the stability of the interface, developers need to limit and control the access frequency of the interface. This article will introduce how to use PHP development to implement interface restrictions and frequency control.
Implementation steps:
Step 1: Apply for an authorization key for Baidu Wenxin Yiyan API
First, you need to apply for an authorization key on the Baidu AI open platform to access Baidu Wenxin Xinyiyan API. After successful application, you will receive API Key and Secret Key.
Step 2: Introduce Baidu AI SDK
Before developing the interface, you need to introduce Baidu AI SDK for calling the interface. You can download and install the latest PHP version SDK from Baidu AI open platform.
Step 3: Interface call
In your PHP code, use the following code to call Baidu Wenxin Yiyan API:
require_once 'AipSpeech.php'; // 引入SDK文件 // 初始化AipSpeech对象 $appId = 'your_appId'; $apiKey = 'your_apiKey'; $secretKey = 'your_secretKey'; $client = new AipSpeech($appId, $apiKey, $secretKey); // 调用接口获取语句 $res = $client->getSentence(); if ($res['error_code'] == 0) { $sentence = $res['result']['sentence']; echo $sentence; } else { echo '接口调用失败:' . $res['error_msg']; }
Step 4: Interface restriction and frequency control
In order to protect server resources and ensure the stability of the interface, you need to limit and control the access frequency of the interface. The following is a simple sample code that can only call the interface once per minute:
session_start(); // 启用Session if (!isset($_SESSION['last_request_time'])) { $_SESSION['last_request_time'] = time(); } else { $last_request_time = $_SESSION['last_request_time']; if (time() - $last_request_time < 60) { echo '访问过于频繁,请稍后再试'; exit; } else { $_SESSION['last_request_time'] = time(); } } // 进行接口调用 require_once 'AipSpeech.php'; // ...
In the above code, we use PHP's Session mechanism to save the timestamp of the last interface request. If the time interval between two requests is less than 60 seconds, it indicates that the access is too frequent. Otherwise, update the timestamp in the Session and continue the interface call.
Through the above steps, you can implement restrictions and frequency control on Baidu Wenxin Yiyan API interface in PHP development. This not only protects server resources, but also improves the reliability and stability of the interface. Of course, you can also perform more complex restrictions and controls based on actual needs, such as setting hourly and daily access restrictions, etc.
I hope this article will be helpful to you in implementing interface restrictions and frequency control in PHP development. If you have any questions, please leave a message to discuss.
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