php结合通义千问和qdrant实现RAG向量检索增强知识库问答示例代码-php代码-BFW代码库

php结合通义千问和qdrant实现RAG向量检索增强知识库问答示例代码

代码语言：php

所属分类：其他

代码描述：php结合通义千问和qdrant实现RAG向量检索增强知识库问答示例代码，通过通义千问将知识库文本向量化插入qdrant中，然后在进行近似查询，最后交给ai总结输出。

代码标签： php 结合通义千问 qdrant RAG 向量检索增强知识库问答示例代码

下面为部分代码预览，完整代码请点击下载或在bfwstudio webide中打开

<?php

//key申请地址：https://dashscope.console.aliyun.com/apiKey
function aichat($query) {
    $apikey = "自己申请key";
    if ($query == "") {
        return "";
    }
    $ch = curl_init();
    curl_setopt($ch, CURLOPT_URL, "https://dashscope.aliyuncs.com/compatible-mode/v1/chat/completions");
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
    $body = [
        'model' => 'qwen-turbo',
        // 'model' => 'qwen-plus-v1',
        'messages' => [['role' => "system",
            "content" => "你是一个ai助手"],
            ['role' => "user",
                "content" => $query],
        ],
    ];

    curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode($body, JSON_UNESCAPED_UNICODE));


    curl_setopt($ch, CURLOPT_POST, 1);

    // Set the API key as an HTTP header
    $headers = array();
    $headers[] = "Content-Type: application/json";
    $headers[] = "Authorization: Bearer ".$apikey;
    curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);

    // Send the request and parse the response
    $response = curl_exec($ch);


    if (curl_errno($ch)) {
        curl_close($ch);
        return "";

    } else {

        curl_close($ch);
        $response_data = json_decode($response, true);
        if (isset($response_data['choices'][0]['message']['content'])) {
            return  $response_data['choices'][0]['message']['content'];
        } else {
            return "";
        }
    }

}
function getembeding($text) {
    if ($text == "") {
        return "";
    }


    //key申请地址：https://dashscope.console.aliyun.com/apiKey
    $apikey = "自己申请key0";
    $ch = curl_init();

    curl_setopt($ch, CURLOPT_URL, "https://dashscope.aliyuncs.com/api/v1/services/embeddings/text-embedding/text-embedding");
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
    $body = [

        'model' => 'text-embedding-v2',
        'input' => ['texts' => [$text]],

        "parameters" => [
            "text_type" => "query"
        ]
    ];


    curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode($body, JSON_UNESCAPED_UNICODE));


    curl_setopt($ch, CURLOPT_POST, 1);

    // Set the API key as an HTTP header
    $headers = array();
    $headers[] = "Content-Type: application/json";
    $headers[] = "Authorization: Bearer ".$apikey;
    curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);

    // Send the request and parse the response
    $response = curl_exec($ch);


    if (curl_errno($ch)) {
        curl_close($ch);
        return "";

    } else {

        curl_close($ch);
        $response_data = json_decode($response, true);

        if (isset($response_data['output']['embeddings'])) {
            return $response_data['output']['embeddings'][0]['embedding'];
            //var_dump($response_data['output']['embeddings']) ;
        } else {
            return "";
        }
    }




}
// 创建集合
function createCollection() {
    $url = 'http://localhost:6333/collections/testqianwen';
    $data = array(
        "vectors" => array(
            "size" => 1536,
            "distance" => "Dot"
        )
    );

    $ch = curl_init($url);
    curl_setopt($ch, CURLOPT_HTTPHEADER, array('Content-Type: application/json'));
    curl_setopt($ch, CURLOPT_CUSTOMREQUEST, 'PUT');
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
    curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode($data));
    $response = curl_exec($ch);
    curl_close($ch);

    return $response;
}

// 确认集合被创建
function checkCollec.........完整代码请登录后点击上方下载按钮下载查看