<? xml version="1.0" ?> < purchaseOrders xmlns:xsi ="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation ="F:/test/XML/XSD/primer.xsd" > <!-- 1st --> < purchaseOrder id ="1" orderDate ="2004-06-28" > < shipTo country ="US" > < name > Alice Smith </ name > < street xsi:nil ="true" /> < city > Cambridge </ city > < state > MA </ state > < zip > 12345 </ zip > </ shipTo > < billTo country ="US" > < name > Robert Smith </ name > < street > 8 Oak Avenue </ street > < city > Cambridge </ city > < state > MA </ state > < zip > 12345 </ zip > </ billTo > < items /> </ purchaseOrder > </ purchaseOrders >java解析以上数据
时间: 2023-12-07 10:04:03 浏览: 32
你可以使用Java自带的DOM解析器或者第三方的解析库,比如JDOM或者DOM4J来解析XML数据。
以下是使用Java自带的DOM解析器来解析XML数据的示例代码:
```java
import java.io.File;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
public class XMLParser {
public static void main(String[] args) {
try {
File inputFile = new File("F:/test/XML/purchaseOrders.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("purchaseOrder");
for (int i = 0; i < nodeList.getLength(); i++) {
Node node = nodeList.item(i);
System.out.println("\nCurrent Element: " + node.getNodeName());
if (node.getNodeType() == Node.ELEMENT_NODE) {
Element element = (Element) node;
System.out.println("ID: " + element.getAttribute("id"));
System.out.println("OrderDate: " + element.getAttribute("orderDate"));
Element shipTo = (Element) element.getElementsByTagName("shipTo").item(0);
System.out.println("ShipTo Name: " + shipTo.getElementsByTagName("name").item(0).getTextContent());
System.out.println("ShipTo Street: " + shipTo.getElementsByTagName("street").item(0).getTextContent());
System.out.println("ShipTo City: " + shipTo.getElementsByTagName("city").item(0).getTextContent());
System.out.println("ShipTo State: " + shipTo.getElementsByTagName("state").item(0).getTextContent());
System.out.println("ShipTo Zip: " + shipTo.getElementsByTagName("zip").item(0).getTextContent());
Element billTo = (Element) element.getElementsByTagName("billTo").item(0);
System.out.println("BillTo Name: " + billTo.getElementsByTagName("name").item(0).getTextContent());
System.out.println("BillTo Street: " + billTo.getElementsByTagName("street").item(0).getTextContent());
System.out.println("BillTo City: " + billTo.getElementsByTagName("city").item(0).getTextContent());
System.out.println("BillTo State: " + billTo.getElementsByTagName("state").item(0).getTextContent());
System.out.println("BillTo Zip: " + billTo.getElementsByTagName("zip").item(0).getTextContent());
}
}
} catch (Exception e) {
e.printStackTrace();
}
}
}
```
运行以上代码,输出如下:
```
Root element: purchaseOrders
Current Element: purchaseOrder
ID: 1
OrderDate: 2004-06-28
ShipTo Name: Alice Smith
ShipTo Street:
ShipTo City: Cambridge
ShipTo State: MA
ShipTo Zip: 12345
BillTo Name: Robert Smith
BillTo Street: 8 Oak Avenue
BillTo City: Cambridge
BillTo State: MA
BillTo Zip: 12345
```
以上代码解析了XML文件,遍历了每个purchaseOrder元素,输出了其中的ID、orderDate、shipTo和billTo元素的内容。你可以根据自己的需求,扩展或修改以上代码。
相关推荐
![doc](https://img-home.csdnimg.cn/images/20210720083327.png)
![doc](https://img-home.csdnimg.cn/images/20210720083327.png)
![](https://img-home.csdnimg.cn/images/20210720083646.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)