Spring Oxm 简明教程
Spring OXM - Test JAXB2
使用 marshall 和 unmarshall 对象创建主类 OXMApplication.java 。此类的目的是使用 marshall 对象将学生对象编组到 student.xml,然后使用 unmarshall 对象将 student.xml 解编组到 student 对象。
Example
OXMApplication.java
package com.tutorialspoint.oxm;
import java.io.FileInputStream;
import java.io.FileWriter;
import java.io.IOException;
import javax.xml.transform.stream.StreamResult;
import javax.xml.transform.stream.StreamSource;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
import org.springframework.oxm.Marshaller;
import org.springframework.oxm.Unmarshaller;
import org.springframework.oxm.XmlMappingException;
import com.tutorialspoint.oxm.model.Student;
public class OXMApplication {
public static void main(String[] args) {
ApplicationContext context = new ClassPathXmlApplicationContext("applicationcontext.xml");
Marshaller marshaller = (Marshaller)context.getBean("jaxbMarshaller");
Unmarshaller unmarshaller = (Unmarshaller)context.getBean("jaxbMarshaller");
// create student object
Student student = new Student();
student.setAge(14);
student.setName("Soniya");
try {
marshaller.marshal(student, new StreamResult(new FileWriter("student.xml")));
System.out.println("Student marshalled successfully.");
FileInputStream is = new FileInputStream("student.xml");
Student student1 = (Student)unmarshaller.unmarshal(new StreamSource(is));
System.out.println("Age: " + student1.getAge() + ", Name: " + student1.getName());
} catch(IOException | XmlMappingException ex) {
ex.printStackTrace();
}
}
}
Output
在 Eclipse 中的文件内容区中单击鼠标右键,然后选择 Run as java application 并验证输出。
Oct 10, 2021 8:48:12 PM org.springframework.context.support.ClassPathXmlApplicationContext prepareRefresh
INFO: Refreshing org.springframework.context.support.ClassPathXmlApplicationContext@1e127982: startup date
[Sun Oct 10 20:48:12 IST 2021]; root of context hierarchy
Oct 10, 2021 8:48:12 PM org.springframework.beans.factory.xml.XmlBeanDefinitionReader loadBeanDefinitions
INFO: Loading XML bean definitions from class path resource [applicationcontext.xml]
Oct 10, 2021 8:48:13 PM org.springframework.oxm.jaxb.Jaxb2Marshaller createJaxbContextFromClasses
INFO: Creating JAXBContext with classes to be bound [class com.tutorialspoint.oxm.model.Student]
Student marshalled successfully.
Age: 14, Name: Soniya