xpath节点提取基础

如何才能提取图像sourceURL高度为400的图像？下面是XML输出：xpath节点提取基础

<imageList> 
    <image available="true" height="100" width="100"> 
     <sourceURL>di/35/4b/49/5a5846562d77473973776e566b737757387877-100x100-0-0.jpg?rqid=p12.2aef1330047882eacc81&rqt=SRS&a=1&c=44&l=8079962&r=1&pr=1&lks=78809.4&fks=69208</sourceURL> 
    </image> 
    <image available="true" height="200" width="200"> 
     <sourceURL>images/di/35/4b/49/5a5846562d77473973776e566b737757387877-200x200-0-0.jpg?rqid=p12.2aef1330047882eacc81&rqt=SRS&a=1&c=44&l=8079962&r=1&pr=1&lks=78809.4&fks=69208</sourceURL> 
    </image> 
    <image available="false" height="300" width="300"> 
     <sourceURL>sc/ds/no_image_100X100.jpg?rqid=p12.2aef1330047882eacc81&rqt=SRS&a=1&c=44&l=8079962&r=1&pr=1&lks=78809.4&fks=69208</sourceURL> 
    </image> 
    <image available="false" height="400" width="400"> 
     <sourceURL>sc/ds/no_image_100X100.jpg?rqid=p12.2aef1330047882eacc81&rqt=SRS&a=1&c=44&l=8079962&r=1&pr=1&lks=78809.4&fks=69208</sourceURL> 
    </image> 
    <image available="true" height="215" width="200"> 
     <sourceURL>http://di67.shoppingshadow.com/images/di/35/4b/49/5a5846562d77473973776e566b737757387877-200x215-0-0.jpg?rqid=p12.2aef1330047882eacc81&rqt=SRS&a=1&c=44&l=8079962&r=1&pr=1&lks=78809.4&fks=69208</sourceURL> 
    </image> 
</imageList>

来源

2014-03-19 user2766556

/imageList/image[@height < 400]/sourceURL

来源

2014-03-19 14:44:29

您可以在路径中使用的谓词的image一步，例如

/imageList/image[@height = 400]/sourceURL

来源

2014-03-19 15:49:18

xpath节点提取基础

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