PHP连接百度文心一言API获取特定类型句子并进行情感分析的实现方式

function callApi($url) {
    $apiKey = "API_KEY";
    $secretKey = "SECRET_KEY";
    
    $curl = curl_init($url);
    curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
    curl_setopt($curl, CURLOPT_HTTPHEADER, ['Content-Type: application/json']);
    curl_setopt($curl, CURLOPT_USERPWD, "{$apiKey}:{$secretKey}");
    
    $response = curl_exec($curl);
    curl_close($curl);
    
    return $response;
}

$url = "https://aip.baidubce.com/rpc/2.0/creation/v1/generate";
$type = "励志"; // 可以替换成其他类型，如爱情、友情等

$requestData = [
    "type" => $type,
    "is_profanity" => 1
];

$response = callApi($url . "?" . http_build_query($requestData));
$data = json_decode($response, true);

if(isset($data["error_code"])) {
    echo "API请求错误：" . $data["error_msg"];
} else {
    $sentence = $data["sentence"];
    echo "获取到句子：" . $sentence;
}

function sentimentAnalysis($text) {
    $apiKey = "API_KEY";
    $secretKey = "SECRET_KEY";
    
    $url = "https://aip.baidubce.com/rpc/2.0/nlp/v1/sentiment_classify";
    
    $requestData = [
        "text" => $text
    ];
    
    $response = callApi($url . "?" . http_build_query($requestData));
    $data = json_decode($response, true);
    
    if(isset($data["error_code"])) {
        echo "API请求错误：" . $data["error_msg"];
    } else {
        $positiveProb = $data["items"][0]["positive_prob"];
        $negativeProb = $data["items"][0]["negative_prob"];
        
        if($positiveProb > $negativeProb) {
            echo "情感分析结果：正向";
        } elseif($positiveProb < $negativeProb) {
            echo "情感分析结果：负向";
        } else {
            echo "情感分析结果：中性";
        }
    }
}

sentence = "这是一句励志的话"; // 可以替换成其他句子

sentimentAnalysis($sentence);