前段时间在做商品sku销售情况分析，因为没有sku粒度的销量数据，只能通过库存变化来计算sku销量，再结合价格来算的销售额。在做库存采集过程中也采了不少的坑，写篇博文mark一下。

还是从PC和APP两端来分析和突破

PC端

得益于之前做过了PC端销量的采集分析，响应的数据都看了一遍，发现PC端的sku库存和销量数据是在同一接口中返回的，参见我的另一篇博文《商品销量接口》

没错，还是这个接口

https://detailskip.taobao.com/service/getData/1/p1/item/detail/sib.htm?itemId=675698221340&sellerId=1614996155&modules=dynStock,qrcode,viewer,price,duty,xmpPromotion,delivery,upp,activity,fqg,zjys,couponActivity,soldQuantity,page,originalPrice,tradeContract&callback=onSibRequestSuccess

原本以为就这样轻松解决了，测试了一些商品后发现有大坑，库存超过200的都返回的是模糊的200+，真是日了狗了。通过查看淘宝官方文档说明，发现早在22年初就调整了，还是关注得少了。但已经开始了又怎能就这么放弃，于是开始各自尝试测试，功夫不负有心人，经过一段时间的攻克还是解决了，成功的拿到了精准的sku库存数。

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灰色 ","pvs":"20509:389276485;1627207:20753190","skuId":"4951966975345"},{"names":"175/100A/L 03 灰色 ","pvs":"20509:798724917;1627207:20753190","skuId":"4951966975346"},{"names":"180/108B/XL 03 灰色 ","pvs":"20509:812854900;1627207:20753190","skuId":"4951966975347"},{"names":"185/112C/XXL 03 灰色 ","pvs":"20509:844924772;1627207:20753190","skuId":"4951966975348"},{"names":"185/120C/XXXL 03 灰色 ","pvs":"20509:850154066;1627207:20753190","skuId":"4951966975349"},{"names":"185/128C/XXXXL 03 灰色 ","pvs":"20509:867402473;1627207:20753190","skuId":"4951966975350"},{"names":"160/76A/XS 08 深灰色 ","pvs":"20509:825854967;1627207:100907261","skuId":"4968759951213"},{"names":"165/84A/S 08 深灰色 ","pvs":"20509:402200618;1627207:100907261","skuId":"4968759951214"},{"names":"170/92A/M 08 深灰色 ","pvs":"20509:389276485;1627207:100907261","skuId":"4968759951215"},{"names":"175/100A/L 08 深灰色 ","pvs":"20509:798724917;1627207:100907261","skuId":"4968759951216"},{"names":"180/108B/XL 08 深灰色 ","pvs":"20509:812854900;1627207:100907261","skuId":"4968759951217"},{"names":"185/112C/XXL 08 深灰色 ","pvs":"20509:844924772;1627207:100907261","skuId":"4968759951218"},{"names":"185/120C/XXXL 08 深灰色 ","pvs":"20509:850154066;1627207:100907261","skuId":"4968759951219"},{"names":"185/128C/XXXXL 08 深灰色 ","pvs":"20509:867402473;1627207:100907261","skuId":"4968759951220"},{"names":"160/76A/XS 09 黑色 ","pvs":"20509:825854967;1627207:8025988","skuId":"4951966975359"},{"names":"165/84A/S 09 黑色 ","pvs":"20509:402200618;1627207:8025988","skuId":"4951966975360"},{"names":"170/92A/M 09 黑色 ","pvs":"20509:389276485;1627207:8025988","skuId":"4951966975361"},{"names":"175/100A/L 09 黑色 ","pvs":"20509:798724917;1627207:8025988","skuId":"4951966975362"},{"names":"180/108B/XL 09 黑色 ","pvs":"20509:812854900;1627207:8025988","skuId":"4951966975363"},{"names":"185/112C/XXL 09 黑色 ","pvs":"20509:844924772;1627207:8025988","skuId":"4951966975364"},{"names":"185/120C/XXXL 09 黑色 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","pvs":"20509:825854967;1627207:384808471","skuId":"4967480110325"},{"names":"165/84A/S 56 橄榄色 ","pvs":"20509:402200618;1627207:384808471","skuId":"4967480110326"},{"names":"170/92A/M 56 橄榄色 ","pvs":"20509:389276485;1627207:384808471","skuId":"4967480110327"},{"names":"175/100A/L 56 橄榄色 ","pvs":"20509:798724917;1627207:384808471","skuId":"4967480110328"},{"names":"180/108B/XL 56 橄榄色 ","pvs":"20509:812854900;1627207:384808471","skuId":"4967480110329"},{"names":"185/112C/XXL 56 橄榄色 ","pvs":"20509:844924772;1627207:384808471","skuId":"4967480110330"},{"names":"185/120C/XXXL 56 橄榄色 ","pvs":"20509:850154066;1627207:384808471","skuId":"4967480110331"},{"names":"185/128C/XXXXL 56 橄榄色 ","pvs":"20509:867402473;1627207:384808471","skuId":"4967480110332"},{"names":"160/76A/XS 65 宝蓝色 ","pvs":"20509:825854967;1627207:492396194","skuId":"4967480110333"},{"names":"165/84A/S 65 宝蓝色 ","pvs":"20509:402200618;1627207:492396194","skuId":"4967480110334"},{"names":"170/92A/M 65 宝蓝色 ","pvs":"20509:389276485;1627207:492396194","skuId":"4967480110335"},{"names":"175/100A/L 65 宝蓝色 ","pvs":"20509:798724917;1627207:492396194","skuId":"4967480110336"},{"names":"180/108B/XL 65 宝蓝色 ","pvs":"20509:812854900;1627207:492396194","skuId":"4967480110337"},{"names":"185/112C/XXL 65 宝蓝色 ","pvs":"20509:844924772;1627207:492396194","skuId":"4967480110338"},{"names":"185/120C/XXXL 65 宝蓝色 ","pvs":"20509:850154066;1627207:492396194","skuId":"4967480110339"},{"names":"185/128C/XXXXL 65 宝蓝色 ","pvs":"20509:867402473;1627207:492396194","skuId":"4967480110340"},{"names":"160/76A/XS 69 藏青色 ","pvs":"20509:825854967;1627207:756290108","skuId":"4951966975367"},{"names":"165/84A/S 69 藏青色 ","pvs":"20509:402200618;1627207:756290108","skuId":"4951966975368"},{"names":"170/92A/M 69 藏青色 ","pvs":"20509:389276485;1627207:756290108","skuId":"4951966975369"},{"names":"175/100A/L 69 藏青色 ","pvs":"20509:798724917;1627207:756290108","skuId":"4951966975370"},{"names":"180/108B/XL 69 藏青色 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","pvs":"20509:867402473;1627207:756290108","skuId":"4951966975374"}],"skuMap":{";20509:402200618;1627207:384802722;":{"priceCent":3900,"price":"39.00","stock":0,"skuId":"4967480110318"},";20509:850154066;1627207:8025988;":{"priceCent":3900,"price":"39.00","stock":509,"skuId":"4951966975365"},";20509:798724917;1627207:492396194;":{"priceCent":3900,"price":"39.00","stock":1801,"skuId":"4967480110336"},";20509:825854967;1627207:8025988;":{"priceCent":3900,"price":"39.00","stock":222,"skuId":"4951966975359"},";20509:389276485;1627207:756290108;":{"priceCent":3900,"price":"39.00","stock":626,"skuId":"4951966975369"},";20509:844924772;1627207:384808471;":{"priceCent":3900,"price":"39.00","stock":48,"skuId":"4967480110330"},";20509:867402473;1627207:384802722;":{"priceCent":3900,"price":"39.00","stock":98,"skuId":"4967480110324"},";20509:798724917;1627207:384808471;":{"priceCent":3900,"price":"39.00","stock":1980,"skuId":"4967480110328"},";20509:825854967;1627207:100907261;":{"priceCent":3900,"price":"39.00","stock":124,"skuId":"4968759951213"},";20509:850154066;1627207:384802722;":{"priceCent":3900,"price":"39.00","stock":58,"skuId":"4967480110323"},";20509:825854967;1627207:384802722;":{"priceCent":3900,"price":"39.00","stock":125,"skuId":"4967480110317"},";20509:402200618;1627207:20753190;":{"priceCent":3900,"price":"39.00","stock":232,"skuId":"4951966975344"},";20509:850154066;1627207:20753190;":{"priceCent":3900,"price":"39.00","stock":111,"skuId":"4951966975349"},";20509:844924772;1627207:100760277;":{"priceCent":3900,"price":"39.00","stock":1379,"skuId":"4951966975340"},";20509:844924772;1627207:756290108;":{"priceCent":3900,"price":"39.00","stock":171,"skuId":"4951966975372"},";20509:825854967;1627207:20753190;":{"priceCent":3900,"price":"39.00","stock":127,"skuId":"4951966975343"},";20509:389276485;1627207:384808471;":{"priceCent":3900,"price":"39.00","stock":1736,"skuId":"4967480110327"},";20509:844924772;1627207:20753190;":{"priceCent":3900,"price":"39.00","stock":95,"skuId":"4951966975348"},";20509:867402473;1627207:100907261;":{"priceCent":3900,"price":"39.00","stock":3,"skuId":"4968759951220"},";20509:867402473;1627207:8025988;":{"priceCent":3900,"price":"39.00","stock":0,"skuId":"4951966975366"},";20509:844924772;1627207:100907261;":{"priceCent":3900,"price":"39.00","stock":31,"skuId":"4968759951218"},";20509:844924772;1627207:8025988;":{"priceCent":3900,"price":"39.00","stock":0,"skuId":"4951966975364"},";20509:389276485;1627207:20753190;":{"priceCent":3900,"price":"39.00","stock":602,"skuId":"4951966975345"},";20509:402200618;1627207:756290108;":{"priceCent":3900,"price":"39.00","stock":29,"skuId":"4951966975368"},";20509:389276485;1627207:100760277;":{"priceCent":3900,"price":"39.00","stock":4762,"skuId":"4951966975337"},";20509:389276485;1627207:8025988;":{"priceCent":3900,"price":"39.00","stock":1819,"skuId":"4951966975361"},";20509:812854900;1627207:756290108;":{"priceCent":3900,"price":"39.00","stock":1133,"skuId":"4951966975371"},";20509:850154066;1627207:492396194;":{"priceCent":3900,"price":"39.00","stock":99,"skuId":"4967480110339"},";20509:798724917;1627207:756290108;":{"priceCent":3900,"price":"39.00","stock":993,"skuId":"4951966975370"},";20509:798724917;1627207:100760277;":{"priceCent":3900,"price":"39.00","stock":3857,"skuId":"4951966975338"},";20509:812854900;1627207:100760277;":{"priceCent":3900,"price":"39.00","stock":3079,"skuId":"4951966975339"},";20509:850154066;1627207:384808471;":{"priceCent":3900,"price":"39.00","stock":526,"skuId":"4967480110331"},";20509:798724917;1627207:8025988;":{"priceCent":3900,"price":"39.00","stock":2726,"skuId":"4951966975362"},";20509:402200618;1627207:100760277;":{"priceCent":3900,"price":"39.00","stock":1483,"skuId":"4951966975336"},";20509:867402473;1627207:100760277;":{"priceCent":3900,"price":"39.00","stock":1472,"skuId":"4951966975342"},";20509:812854900;1627207:492396194;":{"priceCent":3900,"price":"39.00","stock":1063,"skuId":"4967480110337"},";20509:402200618;1627207:384808471;":{"priceCent":3900,"price":"39.00","stock":0,"skuId":"4967480110326"},";20509:844924772;1627207:384802722;":{"priceCent":3900,"price":"39.00","stock":372,"skuId":"4967480110322"},";20509:867402473;1627207:384808471;":{"priceCent":3900,"price":"39.00","stock":0,"skuId":"4967480110332"},";20509:825854967;1627207:100760277;":{"priceCent":3900,"price":"39.00","stock":113,"skuId":"4951966975335"},";20509:850154066;1627207:100907261;":{"priceCent":3900,"price":"39.00","stock":0,"skuId":"4968759951219"},";20509:867402473;1627207:756290108;":{"priceCent":3900,"price":"39.00","stock":118,"skuId":"4951966975374"},";20509:850154066;1627207:100760277;":{"priceCent":3900,"price":"39.00","stock":1093,"skuId":"4951966975341"},";20509:812854900;1627207:384808471;":{"priceCent":3900,"price":"39.00","stock":1792,"skuId":"4967480110329"},";20509:812854900;1627207:20753190;":{"priceCent":3900,"price":"39.00","stock":1068,"skuId":"4951966975347"},";20509:389276485;1627207:492396194;":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APP

app端的sku数据是在商品详情接口中的（详情看另一篇《商品详情接口》），肯定也存在200+模糊的问题，淘宝应该是多端都调整了的。通过抓包发现返回的数据出现了cipherQuantity字段，应该就是加密的库存数，然后从这里入手看看有没有可能突破。

于是在APP中地毯式搜索该字段，看看是否有被使用，发现并没有，这就尴尬了，方向到头了。可能是新加的字段还没用上吧，也很有可能是服务端加解密的，客户端也解密不了。

虽然一个方向断了，但俗话说得好，条条大路通罗马，既然有人能解决那就肯定有办法，只要思想不滑坡办法总比困难多。经过两周的努力还是解决了

其他app估计也能获取到，有兴趣的可以自行去研究。

要注意的是除了参数之外还要解决最大的难题就是都需要登录。

本文内容仅供学习交流，如有涉及侵权问题请联系删除或调整

交流学习或稳定采集+作者Q(昵称)

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tmall.product.schema.get( 淘宝天猫商品发布API接口) ，淘宝商品发布API接口，淘宝店铺上传API接口，oAuth2.0店铺上传API接口
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