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<p>我已经读了一整天关于用python解析xml的文章,但是看看我需要提取数据的站点,我不确定我是不是找错了树。基本上我想从超市网站(在图片名称中找到)得到13位的条形码。例如:</p>
<p><a href="http://www.tesco.com/groceries/SpecialOffers/SpecialOfferDetail/Default.aspx?promoId=A31033985" rel="nofollow">http://www.tesco.com/groceries/SpecialOffers/SpecialOfferDetail/Default.aspx?promoId=A31033985</a></p>
<p>有11个项目和11个图像,第一个项目的条形码是0000003235676。然而,当我查看页面源代码时(我假设这是使用python、urllib和beauthoulsoup一次性提取所有条形码的最佳方法),所有的条形码都在一行(第12行),但是数据在元素和属性方面似乎不像我预期的那样结构化。在</p>
<pre><code> new TESCO.sites.UI.entities.Product({name:"Lb Mens Mattifying Dust 7G",xsiType:"QuantityOnlyProduct",productId:"275303365",baseProductId:"72617958",quantity:1,isPermanentlyUnavailable:true,imageURL:"http://img.tesco.com/Groceries/pi/805/5021320051805/IDShot_90x90.jpg",maxQuantity:99,maxGroupQuantity:0,bulkBuyLimitGroupId:"",increment:1,price:2.5,abbr:"g",unitPrice:3.58,catchWeight:"0",shelfName:"Mens Styling",superdepartment:"Health & Beauty",superdepartmentID:"TO_1448953606"});
new TESCO.sites.UI.entities.Product({name:"Lb Mens Thickening Shampoo 250Ml",xsiType:"QuantityOnlyProduct",productId:"275301223",baseProductId:"72617751",quantity:1,isPermanentlyUnavailable:true,imageURL:"http://img.tesco.com/Groceries/pi/225/5021320051225/IDShot_90x90.jpg",maxQuantity:99,maxGroupQuantity:0,bulkBuyLimitGroupId:"",increment:1,price:2.5,abbr:"ml",unitPrice:1,catchWeight:"0",shelfName:"Mens Shampoo ",superdepartment:"Health & Beauty",superdepartmentID:"TO_1448953606"});
new TESCO.sites.UI.entities.Product({name:"Lb Mens Sculpting Puty 75Ml",xsiType:"QuantityOnlyProduct",productId:"275301557",baseProductId:"72617906",quantity:1,isPermanentlyUnavailable:true,imageURL:"http://img.tesco.com/Groceries/pi/287/5021320051287/IDShot_90x90.jpg",maxQuantity:99,maxGroupQuantity:0,bulkBuyLimitGroupId:"",increment:1,price:2.5,abbr:"ml",unitPrice:3.34,catchWeight:"0",shelfName:"Pastes, Putty, Gums, Pomades",superdepartment:"Health & Beauty",superdepartmentID:"TO_1448953606"});
</code></pre>
<p>也许像Beauthulsoup这样的东西太过分了?我知道DOM树和原始源代码是不一样的,但为什么它们如此不同-当我在firefox中检查元素时,数据看起来像我预期的那样结构化。在</p>
<p>如果你觉得这完全是愚蠢的,请道歉,谢谢。在</p>