【整理】AWS中的SearchIndex不再支持LawnGarden，已改名为LawnAndGarden

【背景】

用代码：

        IDictionary<string, string> reqDict = new Dictionary<string, String>();
        reqDict["Service"] = "AWSECommerceService";
        reqDict["Version"] = awsApiVersion;
        reqDict["Operation"] = "ItemSearch";
        reqDict["ResponseGroup"] = "ItemIds";

        //!!! not BrowseNodeId -> is BrowseNode
        //reqDict["BrowseNodeId"] = subBrowserNodeId; //"3737671"
        reqDict["BrowseNode"] = subBrowserNodeId; //"3737671"

        //means the root browser node name
        reqDict["SearchIndex"] = searchIndex; //"Appliances"

        //http://docs.aws.amazon.com/AWSECommerceService/latest/DG/ItemSearch.html
        //http://docs.aws.amazon.com/AWSECommerceService/latest/DG/AvailabilityParameter.html
        reqDict["Availability"] = "Available";
        reqDict["Condition"] = "All";
        

        //http://docs.aws.amazon.com/AWSECommerceService/latest/DG/ItemSearch.html
        //The maximum ItemPage number that can be returned is 10.
        reqDict["ItemPage"] = itemPage;

        String awsReqUrl = Sign(reqDict);

        XmlDocument xmlDocNoXmlns = awsReqUrlToXmlDoc_noXmlns(awsReqUrl);

其中：

SearchIndex=LawnGarden

其中的LawnGarden，是从：

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

找到的。

结果现在返回结果却是：

<?xml version="1.0"?>
<ItemSearchResponse>
    <OperationRequest>
        <HTTPHeaders>
            <Header Name="UserAgent" Value="Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; WOW64; Trident/4.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; InfoPath.3; .NET4.0C; .NET4.0E"/>
        </HTTPHeaders>
        <RequestId>cca900a0-eb61-4e1b-9d13-178b4eae20a4</RequestId>
        <Arguments>
            <Argument Name="Condition" Value="All"/>
            <Argument Name="Operation" Value="ItemSearch"/>
            <Argument Name="Service" Value="AWSECommerceService"/>
            <Argument Name="Signature" Value="lxE/H7aqqqcsezI8mk0WilRD2IFB6xW5ll637wPuBAA="/>
            <Argument Name="Availability" Value="Available"/>
            <Argument Name="ItemPage" Value="1"/>
            <Argument Name="AssociateTag" Value="xxx"/>
            <Argument Name="BrowseNode" Value="553632"/>
            <Argument Name="Version" Value="2011-08-01"/>
            <Argument Name="AWSAccessKeyId" Value="xxx"/>
            <Argument Name="Timestamp" Value="2013-06-16T15:17:48Z"/>
            <Argument Name="ResponseGroup" Value="ItemIds"/>
            <Argument Name="SearchIndex" Value="LawnGarden"/>
        </Arguments>
        <RequestProcessingTime>0.0027890000000000</RequestProcessingTime>
    </OperationRequest>
    <Items>
        <Request>
            <IsValid>False</IsValid>
            <ItemSearchRequest>
                <Availability>Available</Availability>
                <BrowseNode>553632</BrowseNode>
                <Condition>All</Condition>
                <ItemPage>1</ItemPage>
                <ResponseGroup>ItemIds</ResponseGroup>
                <SearchIndex>LawnGarden</SearchIndex>
            </ItemSearchRequest>
            <Errors>
                <Error>
                    <Code>AWS.InvalidEnumeratedParameter</Code>
                    <Message>The value you specified for SearchIndex is invalid. Valid values include [\t\t\t\t'All','Apparel','Appliances','ArtsAndCrafts','Automotive','Baby','Beauty','Blended','Books','Classical','Collectibles','DVD','DigitalMusic','Electronics','GiftCards','GourmetFood','Grocery','HealthPersonalCare','HomeGarden','Industrial','Jewelry','KindleStore','Kitchen','LawnAndGarden','Marketplace','MP3Downloads','Magazines',,'Miscellaneous','Music','MusicTracks','MusicalInstruments','MobileApps','OfficeProducts','OutdoorLiving','PCHardware','PetSupplies','Photo','Shoes','Software','SportingGoods','Tools','Toys','UnboxVideo','VHS','Video','VideoGames','Watches','Wireless','WirelessAccessories'\t\t\t\t].</Message>
                </Error>
            </Errors>
        </Request>
    </Items>
</ItemSearchResponse>

【折腾过程】

1. 看起来，貌似SearchIndex不支持LawnGarden了。

而是变成了LawnAndGarden了。

2. 所以去试试

SearchIndex=LawnAndGarden

结果果然可以了：

<?xml version="1.0"?>
<ItemSearchResponse>
    <OperationRequest>
        <HTTPHeaders>
            <Header Name="UserAgent" Value="Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; WOW64; Trident/4.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; InfoPath.3; .NET4.0C; .NET4.0E"/>
        </HTTPHeaders>
        <RequestId>7330d7b0-4e9c-479d-854b-f744264ea915</RequestId>
        <Arguments>
            <Argument Name="Condition" Value="All"/>
            <Argument Name="Operation" Value="ItemSearch"/>
            <Argument Name="Service" Value="AWSECommerceService"/>
            <Argument Name="Signature" Value="uFmM1ZvRmDHjRDWKTDgQPZl3Z0ast3ZF8F+ylHRCw7U="/>
            <Argument Name="Availability" Value="Available"/>
            <Argument Name="ItemPage" Value="1"/>
            <Argument Name="AssociateTag" Value="xxx"/>
            <Argument Name="BrowseNode" Value="552808"/>
            <Argument Name="Version" Value="2011-08-01"/>
            <Argument Name="AWSAccessKeyId" Value="xxx"/>
            <Argument Name="Timestamp" Value="2013-06-16T15:43:13Z"/>
            <Argument Name="ResponseGroup" Value="ItemIds"/>
            <Argument Name="SearchIndex" Value="LawnAndGarden"/>
        </Arguments>
        <RequestProcessingTime>0.1007270000000000</RequestProcessingTime>
    </OperationRequest>
    <Items>
        <Request>
            <IsValid>True</IsValid>
            <ItemSearchRequest>
                <Availability>Available</Availability>
                <BrowseNode>552808</BrowseNode>
                <Condition>All</Condition>
                <ItemPage>1</ItemPage>
                <ResponseGroup>ItemIds</ResponseGroup>
                <SearchIndex>LawnAndGarden</SearchIndex>
            </ItemSearchRequest>
        </Request>
        <TotalResults>25223</TotalResults>
        <TotalPages>2523</TotalPages>
        <MoreSearchResultsUrl>http://www.amazon.com/gp/redirect.html?camp=2025&amp;creative=386001&amp;location=http%3A%2F%2Fwww.amazon.com%2Fgp%2Fsearch%3Fnode%3D552808%26url%3Dsearch-alias%253Dlawngarden&amp;linkCode=xm2&amp;tag=crifancom-20&amp;SubscriptionId=AKIAJQAUAH2R4HCG63LQ</MoreSearchResultsUrl>
        <Item>
            <ASIN>B0045XRK06</ASIN>
            <ParentASIN>B005MRD2PG</ParentASIN>
        </Item>
        <Item>
            <ASIN>B004918MO2</ASIN>
        </Item>
        <Item>
            <ASIN>B005XVBIL6</ASIN>
            <ParentASIN>B005MRCI10</ParentASIN>
        </Item>
        <Item>
            <ASIN>B001RJOP5Y</ASIN>
        </Item>
        <Item>
            <ASIN>B0006JO0XI</ASIN>
        </Item>
        <Item>
            <ASIN>B0006JO0TC</ASIN>
        </Item>
        <Item>
            <ASIN>B0000VUNS8</ASIN>
            <ParentASIN>B00029XR8G</ParentASIN>
        </Item>
        <Item>
            <ASIN>B009Z6CW7O</ASIN>
        </Item>
        <Item>
            <ASIN>B00C62WJCM</ASIN>
            <ParentASIN>B00CILBJ9K</ParentASIN>
        </Item>
        <Item>
            <ASIN>B005NK7ZAA</ASIN>
        </Item>
    </Items>
</ItemSearchResponse>

【总结】

Amazon的API的官网：

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

很多内容是滞后的，所以，需要你自己亲自验证才可以。

比如此处的：

之前的叫做LawnGarden，现在改名为LawnAndGarden了。。。

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