How to connect Baidu Wenxin Yiyan API with PHP to obtain random statements and generate full-text search index

How to connect PHP to Baidu Wenxin Yiyan API to obtain random statements and generate full-text search index

Introduction:
Full-text search is widely used in actual development. It can improve the efficiency and accuracy of data query. Baidu Wenxin Yiyan API provides an interface for randomly obtaining statements. We can use PHP to connect to the API to obtain statements and generate full-text search indexes. This article will introduce how to use PHP to connect to Baidu Wenxin Yiyan API, and demonstrate the process of generating a full-text search index through sample code.

Step 1: Apply for Baidu Wenxin Yiyan API and obtain the key
First, we need to apply for an API key on the official website of Baidu Wenxin Yiyan API. After the application is successful, you will receive a string containing API Key and Secret Key. This key will be used in subsequent development.

Step 2: Connect to Baidu Wenxin Yiyan API and obtain random statements
In PHP, we can use the curl function to connect to the API and obtain data. First, we need to define the URL of the API and add the API Key we obtained previously to the parameters of the URL.

$url = "https://api.lwl12.com/hitokoto/v1?encode=json&charset=utf-8";

Next, we can use the curl function to send a GET request to obtain the JSON data of the random statement.

$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$response = curl_exec($ch);
curl_close($ch);

Step 3: Parse JSON data and generate full-text search index
After obtaining the random statement JSON data returned by the API, we need to parse it into a PHP array and process the statements in it. Participle. We can then add the statements to the index using full-text search algorithms.

$data = json_decode($response, true);
$hitokoto = $data['hitokoto'];

// 对语句进行处理和分词
$words = explode(" ", $hitokoto);

// 将分词结果添加到全文检索索引中
$index = []; // 全文检索索引数组
foreach ($words as $word) {
    if (!isset($index[$word])) {
        $index[$word] = [];
    }
    $index[$word][] = $hitokoto;
}

In the above example code, we first process and segment the random statements obtained, then use each segmentation as a keyword for the index, and add the corresponding statement to the index array.

Step 4: Search and Match
After generating the full-text search index, we can find matching statements by searching for specified keywords. The following is an example of a simple search method:

function search($keyword, $index) {
    if (isset($index[$keyword])) {
        return $index[$keyword];
    } else {
        return "无匹配结果";
    }
}

// 示例使用
$keyword = "随机";
$result = search($keyword, $index);
echo $result;

In this example, we define a simple search method to search in the index by specifying keywords. If a matching statement is found, it will be returned, otherwise "no matching result" will be returned.

Conclusion:
Through the above steps, we can use PHP to connect to Baidu Wenxin Yiyan API and obtain random statements, then process and segment the statements, and finally generate a full-text search index. This method can be used in actual development to build a full-text retrieval system to improve the efficiency and accuracy of data queries. Hope this article helps you!

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