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【已解决】查询AWS中某个产品还剩多少个数可买

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【问题】

AWS中,想要查询某个产品,一共还剩多少个可以买。

【解决过程】

1.知道是用ItemLookup。

2.参考:

【记录】申请AWS的AWSAccessKeyId(AWS Access Key ID)

找到了API的页面:

http://docs.aws.amazon.com/AWSECommerceService/latest/DG/ProgrammingGuide.html

3.找到了:

Offer Summaries

AWS Documentation » Amazon Product Advertising API Docs » Developer Guide » Programming Guide » Returning Price and Availability Information » Returning Prices » Offer Summaries

Offer Summaries

The OfferSummary response group returns summary information about offers, including:

  • Total number of offers per condition

  • Lowest price per condition

For example, the following response snippet shows the lowest prices for an item in New and Used condition.

<OfferSummary>
  <LowestNewPrice>
    <Amount>801</Amount>
    <CurrencyCode>USD</CurrencyCode>
    <FormattedPrice>$8.01</FormattedPrice>
  </LowestNewPrice>
  <LowestUsedPrice>
    <Amount>799</Amount>
    <CurrencyCode>USD</CurrencyCode>
    <FormattedPrice>$7.99</FormattedPrice>
  </LowestUsedPrice>
  <TotalNew>45</TotalNew>
  <TotalUsed>20</TotalUsed>
  <TotalCollectible>0</TotalCollectible>
  <TotalRefurbished>0</TotalRefurbished>
</OfferSummary>

 

【总结】

用其中的TotalNew和TotalUsed,相加,即可得出还有多少个。

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