<td id="prodImageCell" height="280" width="280"><a href="http://www.amazon.co.jp/gp/product/images/B007HDJPOU/ref=dp_image_0/375-3424220-7267256?ie=UTF8&n=3828871&s=kitchen" target="AmazonHelp" onclick="return amz_js_PopWin(this.href,'AmazonHelp','width=700,height=600,resizable=1,scrollbars=1,toolbar=1,status=1');" ><img onload="if (typeof uet == 'function') { if(typeof setCSMReq=='function'){setCSMReq('af');setCSMReq('cf');}else{uet('af');uet('cf');amznJQ.completedStage('amznJQ.AboveTheFold');} } " src="http://ec2.images-amazon.com/images/I/418Qdk6bctL._SL500_AA280_.jpg" id="prodImage" width="280" style="max-width:90%" border="0" alt="FJK ?・ル蜒吝・??maxell??????ョ?募с蜒?・???? LR1130??10?・・??" onmouseover="" /></a> <td id="prodImageCell" height="280" width="280"><a href="http://www.amazon.co.jp/gp/product/images/B005318B0C/ref=dp_image_0/376-2257022-2490017?ie=UTF8&n=13299531&s=toys" target="AmazonHelp" onclick="return amz_js_PopWin(this.href,'AmazonHelp','width=700,height=600,resizable=1,scrollbars=1,toolbar=1,status=1');" ><img onload="if (typeof uet == 'function') { if(typeof setCSMReq=='function'){setCSMReq('af');setCSMReq('cf');}else{uet('af');uet('cf');amznJQ.completedStage('amznJQ.AboveTheFold');} } " src="http://ec2.images-amazon.com/images/I/51bsLAswKVL._SL500_AA280_.jpg" id="prodImage" width="280" style="max-width:90%" border="0" alt="PSP2000?PSP3000? ????????1000????? ???????-543547" onmouseover="" /></a>加上 id="prodImage" 这个可以区分其他图片了吧
不用
就http://ec2.images-amazon.com/images/I/
._SL500_AA280_.jpg这个地址就行了，只是中间编号不一样，一个页面所有这样的地址都是同一张图片
http://ec2.images-amazon.com/images/I/51bsLAswKVL._SL500_AA280_.jpg
这个地址在一个页面是唯一的，只是中间51bsLAswKVL这个会不一样
preg_match_all('#src="(http://ec2\.images-amazon\.com/images/I/[a-z\d]+\._SL500_AA280_\.jpg)"#is',$s,$m);
print_r($m[1]);
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