PHP百度翻译API实现中文到德语的翻译步骤解析

 $query,
        'from' => $from,
        'to' => $to,
        'appid' => $api_key,
        'salt' => rand()
    );
    $params['sign'] = buildSign($query, $params['salt'], $api_key, $secret_key);

    // 发送HTTP请求
    $response = httpRequest('http://api.fanyi.baidu.com/api/trans/vip/translate', $params);

    // 解析翻译结果
    $result = json_decode($response, true);
    if (isset($result['trans_result'][0]['dst'])) {
        return $result['trans_result'][0]['dst'];
    } else {
        return '翻译失败';
    }
}

/**
 * 生成签名
 *
 * @param string $query 要翻译的文本
 * @param int $salt 随机数
 * @param string $api_key API Key
 * @param string $secret_key Secret Key
 * @return string 签名
 */
function buildSign($query, $salt, $api_key, $secret_key) {
    $str = $api_key . $query . $salt . $secret_key;
    return md5($str);
}

/**
 * 发送HTTP请求
 *
 * @param string $url 请求URL
 * @param array $params 请求参数
 * @return string 响应内容
 */
function httpRequest($url, $params) {
    $curl = curl_init();
    curl_setopt($curl, CURLOPT_URL, $url);
    curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
    curl_setopt($curl, CURLOPT_POST, 1);
    curl_setopt($curl, CURLOPT_POSTFIELDS, http_build_query($params));
    $response = curl_exec($curl);
    curl_close($curl);
    return $response;
}
?>