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如何通过在 codeigniter 中使用亚马逊的 ISBN 搜索来获取作者、价格和标题?在此处输入图像描述

我尝试注册 AProduct Advertising API 注册大约 2 天,每次我收到错误:我们很抱歉!处理您的更改时出错。请再试一次。在帐户信息步骤之后

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如何获取 awsAccessKeyID、awsSecretKey、awsAssociateTag 的键值?

function getMetadataFromIsbn($isbn) {
    // Get your own accesskey at http://aws.amazon.com/
    $awsAccessKeyID = 'accesskey';
    $awsSecretKey = 'secrete key';
    $awsAssociateTag = 'Associate tag';
    $host = 'ecs.amazonaws.com';
    $path = '/onca/xml';    
    $args = array(
      'AssociateTag' => $awsAssociateTag,
      'AWSAccessKeyId' => $awsAccessKeyID,
      'IdType' => 'ISBN',
      'ItemId' => $isbn,
      'Operation' => 'ItemLookup',
      'ResponseGroup' => 'Medium',
      'SearchIndex' => 'Books',
      'Service' => 'AWSECommerceService',
      'Timestamp' => gmdate('Y-m-d\TH:i:s\Z'),
      'Version'=> '2009-01-06'
    );
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