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要使用Java批量读取和写入XML文件,您可以使用以下步骤:
<dependencies>
<dependency>
<groupId>javax.xml.bind</groupId>
<artifactId>jaxb-api</artifactId>
<version>2.3.1</version>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.dataformat</groupId>
<artifactId>jackson-dataformat-xml</artifactId>
<version>2.12.3</version>
</dependency>
</dependencies>
import javax.xml.bind.annotation.XmlElement;
import javax.xml.bind.annotation.XmlRootElement;
@XmlRootElement(name = "users")
public class User {
@XmlElement(name = "user")
private List<User> users;
// Getters and setters
}
import java.io.File;
import javax.xml.bind.JAXBContext;
import javax.xml.bind.JAXBException;
import javax.xml.bind.Unmarshaller;
public class XmlReader {
public static void main(String[] args) {
try {
File file = new File("path/to/your/input.xml");
JAXBContext jaxbContext = JAXBContext.newInstance(User.class);
Unmarshaller jaxbUnmarshaller = jaxbContext.createUnmarshaller();
User user = (User) jaxbUnmarshaller.unmarshal(file);
System.out.println(user);
} catch (JAXBException e) {
e.printStackTrace();
}
}
}
import java.io.File;
import javax.xml.bind.JAXBContext;
import javax.xml.bind.JAXBException;
import javax.xml.bind.Marshaller;
public class XmlWriter {
public static void main(String[] args) {
try {
User user = new User();
// Populate user object with data
File file = new File("path/to/your/output.xml");
JAXBContext jaxbContext = JAXBContext.newInstance(User.class);
Marshaller jaxbMarshaller = jaxbContext.createMarshaller();
jaxbMarshaller.setProperty(Marshaller.JAXB_FORMATTED_OUTPUT, true);
jaxbMarshaller.marshal(user, file);
System.out.println("User data written to XML file successfully.");
} catch (JAXBException e) {
e.printStackTrace();
}
}
}
这些示例展示了如何使用Java批量读取和写入XML文件。您可以根据需要修改这些示例以满足您的具体需求。
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