Java 如何使用domxml解析器对XML文档进行parese
我有一个如下所示的xml文档:Java 如何使用domxml解析器对XML文档进行parese,java,dom,Java,Dom,我有一个如下所示的xml文档: <travellingSalesmanProblemInstance> <name>blabla</name> <source>TSPLIBRARY</source> <description>52 locations in Nowhere</description> <doublePrecision>15</doublePreci
<travellingSalesmanProblemInstance>
<name>blabla</name>
<source>TSPLIBRARY</source>
<description>52 locations in Nowhere</description>
<doublePrecision>15</doublePrecision>
<ignoredDigits>5</ignoredDigits>
<graph>
<vertex>
<edge cost="6.661080993352356e+02">1</edge>
<edge cost="2.811138559374119e+02">2</edge>
<edge cost="3.956008088970497e+02">3</edge>
<edge cost="2.912043955712207e+02">4</edge>
</vertex>
<vertex>
<edge cost="2.561080993352356e+02">0</edge>
<edge cost="2.711138559374119e+02">2</edge>
<edge cost="6.556008088970497e+02">3</edge>
<edge cost="7.9112043955712207e+02">4</edge>
</vertex>
...
</graph>
</travellingSalesmanProblemInstance>
布拉布拉
茨普里布雷里
无处可寻的52个地点
15
5.
1.
2.
3.
4.
0
2.
3.
4.
...
我试图读取这个xml文件。但我失败了
我使用以下内容浏览所有NodeList nList = doc.getElementsByTagName("vertex");
for (int i = 0; i < nList.getLength(); i++)
{
NodeList nList=doc.getElementsByTagName(“顶点”);
对于(int i=0;i
但是如何获得这些for(..){
NodeList edges = nList.get(i).getElementsByTagName("edge");
for(Node edge: edges){
// do something with the edge
}
}
未测试,但应该是这样的只需使用结果列表中的每个节点进行另一次选择
NodeList nList = doc.getElementsByTagName("vertex");
NodeList edgeList;
// For each vertex, get all "edge" children
for (int i = 0; i < nList.getLength(); i++) {
edgeList = ((Element)nList.item(i)).getElementsByTagName("edge");
// For each edge under this vertex, do something
for (int j = 0; j < edgeList.getLength(); j++) {
// test that it works
System.out.println(edgeList.item(j).getTextContent());
}
}
NodeList nList=doc.getElementsByTagName(“顶点”);
节点主义边缘主义者;
//对于每个顶点,获取所有“边”子对象
对于(int i=0;i