Java 将xml dom解析为对象
如何用这样的对象填充数组Java 将xml dom解析为对象,java,xml,parsing,dom,Java,Xml,Parsing,Dom,如何用这样的对象填充数组 class Sam{ String id; String type; String data; } 从xml结构: <Table name="Sam"> <Row id="374058"> <Col name="ID.1">374058</Col> <Col name="TYPE.1"&g
class Sam{
String id;
String type;
String data;
}
从xml结构:
<Table name="Sam">
<Row id="374058">
<Col name="ID.1">374058</Col>
<Col name="TYPE.1">mob</Col>
</Row>
<Row id="374059">
<Col name="ID.1">374059</Col>
<Col name="TYPE.1">ff</Col>
</Row>
</Table>
374058
暴民
374059
ff
找到了这样的“表”,但我下一步该怎么做才能从“行”中收集数据呢
List samList=new-ArrayList();
NodeList name NodeList=xml.getDocumentElement().getElementsByTagName(“表”);
if(nameNodeList!=null){
对于(int i=0;i
您可以使用
您还可以在中看到一些示例,试试这个。我尝试对问题进行编码,并获得以下输出。此代码解析XML并构造Sam对象 代码: 输入:sam.xml
<Table name="Sam">
<Row id="374058">
<Col name="ID">374058</Col>
<Col name="TYPE">mob</Col>
</Row>
<Row id="374059">
<Col name="ID">374059</Col>
<Col name="TYPE">ff</Col>
</Row>
</Table>
374058
暴民
374059
ff
我想我不能在ID.1这样的名称中使用它?
import java.util.ArrayList;
import java.util.List;
import org.w3c.dom.NodeList;
import org.w3c.dom.*;
import javax.xml.parsers.*;
import java.io.*;
public class XmlParse {
public static void main(String[] args) {
XmlParse xmlParse = new XmlParse();
xmlParse.xmlToObj();
}
public void xmlToObj() {
try {
File inputFile = new File("sam.xml");
DocumentBuilderFactory dbFactory = DocumentBuilderFactory.newInstance();
DocumentBuilder dBuilder = dbFactory.newDocumentBuilder();
Document doc = dBuilder.parse(inputFile);
doc.getDocumentElement().normalize();
System.out.println("Root element: " + doc.getDocumentElement().getNodeName());
NodeList nodeList = doc.getElementsByTagName("Row");
Node node = null;
List<Sam> samList = new ArrayList<>();
if(nodeList != null && nodeList.getLength() > 0) {
for(int i=0; i < nodeList.getLength(); i++) {
node = nodeList.item(i);
NodeList innerNodeList = doc.getElementsByTagName("Col");
Node innerNodeID = innerNodeList.item(0);
Node innerNodeType = innerNodeList.item(1);
String id = innerNodeID.getTextContent();
String type = innerNodeType.getTextContent();
Sam sam = new Sam(id, type, null);
System.out.println(sam.toString());
samList.add(sam);
}
}
} catch (Exception ex) {
ex.printStackTrace();
}
}
}
class Sam {
String id;
String type;
String data;
public Sam(String id, String type, String data) {
this.id = id;
this.type = type;
this.data = data;
}
@Override
public String toString() {
return "Sam [id=" + id + ", type=" + type + ", data=" + data + "]";
}
}
Root element: Table
Sam [id=374058, type=mob, data=null]
Sam [id=374058, type=mob, data=null]
<Table name="Sam">
<Row id="374058">
<Col name="ID">374058</Col>
<Col name="TYPE">mob</Col>
</Row>
<Row id="374059">
<Col name="ID">374059</Col>
<Col name="TYPE">ff</Col>
</Row>
</Table>