如何从选择路径获取属性值或选择属性ximpleware [英] How to get Attribute values from Select path or select Attribute ximpleware
问题描述
<ConfiguredItems>
<OtapiConfiguredItem>
<Id>3117283038955</Id>
<Quantity>1693</Quantity>
<Configurators>
<ValuedConfigurator Pid="1627207" Vid="3232480" />
<ValuedConfigurator Pid="20509" Vid="28314" />
</Configurators>
</OtapiConfiguredItem>
<OtapiConfiguredItem>
<Id>3117283038956</Id>
<Quantity>1798</Quantity>
<Configurators>
<ValuedConfigurator Pid="1627207" Vid="3232480" />
<ValuedConfigurator Pid="20509" Vid="6145171" />
</Configurators>
</OtapiConfiguredItem>
<OtapiConfiguredItem>
<Id>3117283038957</Id>
<Quantity>1815</Quantity>
<Configurators>
<ValuedConfigurator Pid="1627207" Vid="28331" />
<ValuedConfigurator Pid="20509" Vid="28315" />
</Configurators>
</OtapiConfiguredItem>
以上是我的XML。 。我需要获取每个 OtapiConfiguredItem的 ValuedConfigurator PID和VID属性值
The above is my XML .. I need to get ValuedConfigurator PID and VID attribute values for each OtapiConfiguredItem
我试过选择路径vcPId.selectXPath (BatchItemFullInfoAnswer / Result / Item / ConfiguredItems / OtapiConfiguredItem / Configurators / ValuedConfigurator [@pid]);
I tried Select path vcPId.selectXPath("BatchItemFullInfoAnswer/Result/Item/ConfiguredItems/OtapiConfiguredItem/Configurators/ValuedConfigurator[@pid]");
在此先感谢..
推荐答案
在vtd-xml中有很多方法可以做到这一点..我给你一些选择
There are many ways to do this in vtd-xml.. I give you a few options
第一个不使用XPath来获取属性,但调用游标api的getAttrVal来执行此操作...
First one does not use XPath to get to the attribute, but calls the cursor api's getAttrVal to do so...
import com.ximpleware.*;
public class queryAttr {
public static void main(String[] s) throws VTDException{
VTDGen vg = new VTDGen();
vg.selectLcDepth(5);// improve XPath performance for deep document
if (!vg.parseFile("input.xml", false))
return;
VTDNav vn = vg.getNav();
AutoPilot ap = new AutoPilot(vn);
ap.selectXPath("/BatchItemFullInfoAnswer/Result/Item/ConfiguredItems/OtapiConfiguredItem/Configurators/ValuedConfigurator");
int i=0,j=0;
while((i=ap.evalXPath())!=-1){
j= vn.getAttrVal("pid");
if (j!=-1)
System.out.println(" attr value for pid is ==>"+vn.toString(j));
j= vn.getAttrVal("vid");
if (j!=-1)
System.out.println(" attr value for vid is ==>"+vn.toString(j));
}
}
}
第二个使用完整的XPath,阅读代码中嵌入的注释
Second one uses full XPath, read the comments embedded in the code
import com.ximpleware.*;
public class queryAttr {
public static void main(String[] s) throws VTDException{
VTDGen vg = new VTDGen();
vg.selectLcDepth(5);// improve XPath performance for deep document
if (!vg.parseFile("input.xml", false))
return;
VTDNav vn = vg.getNav();
AutoPilot ap = new AutoPilot(vn);
ap.selectXPath("/BatchItemFullInfoAnswer/Result/Item/ConfiguredItems/OtapiConfiguredItem/Configurators/ValuedConfigurator/@pid");
AutoPilot ap2 = new AutoPilot(vn);
ap2.selectXPath("../@vid");
int i=0,j=0;
while((i=ap.evalXPath())!=-1){
System.out.println(" attr value for pid is ==>"+vn.toString(i+1)); // notice this is i+1, not i cuz i is the vtd record index for pid
vn.push();// maintain consistency of autoPilot with push/pop combo
if ((j=ap2.evalXPath())!=-1)
System.out.println(" attr value for vid is ==>"+vn.toString(j+1)); // notice this is j+1, not j cuz j is the vtd record index for vid
vn.pop();
}
}
}
这篇关于如何从选择路径获取属性值或选择属性ximpleware的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持IT屋!