简单例子step2 Book.java
1package step2; 2 3import javax.xml.bind.annotation.XmlAccessType; 4import javax.xml.bind.annotation.XmlAccessorType; 5/**//* @XmlAccessorType此注释可控制类中的属性和字段的默认序列化 6 * value=XmlAccessType.PROPERTY表示JAXB 绑定类中的每个 7 *获取方法/设置方法对将会自动绑定到 XML 8 * */ 9@XmlAccessorType(value = XmlAccessType.PROPERTY) 10public class Book { 11 12 private String id; 13 private String name; 14 private float price; 15 16 public String getId() { 17 return id; 18 } 19 public void setId(String id) { 20 this.id = id; 21 } 22 public String getName() { 23 return name; 24 } 25 public void setName(String name) { 26 this.name = name; 27 } 28 public float getPrice() { 29 return price; 30 } 31 public void setPrice(float price) { 32 this.price = price; 33 } 34 @Override 35 public String toString() { 36 return "Book [id=" + id + ",name=" + name + ",price=" + price + "]"; 37 } 38} 39 Customer.java
1package step2; 2import java.util.Set; 3 4import javax.xml.bind.annotation.XmlElement; 5import javax.xml.bind.annotation.XmlElementWrapper; 6import javax.xml.bind.annotation.XmlRootElement; 7import javax.xml.bind.annotation.XmlType; 8 9@XmlRootElement 10@XmlType(propOrder = { "id", "name", "age","book"}) 11public class Customer { 12 String name; 13 int age; 14 int id; 15 Set<Book> book; 16 @XmlElement(name="name") 17 public String getName() { 18 return name; 19 } 20 21 public void setName(String name) { 22 this.name = name; 23 } 24 25 @XmlElement(name="age") 26 public int getAge() { 27 return age; 28 } 29 30 public void setAge(int age) { 31 this.age = age; 32 } 33 @XmlElement(name="id") 34 public int getId() { 35 return id; 36 } 37 38 public void setId(int id) { 39 this.id = id; 40 } 41 42 43 @Override 44 public String toString() { 45 return "Customer [id=" + id + ",name=" + name + ",age=" + age + ",book=" + book + "]"; 46 } 47 @XmlElementWrapper(name="books") 48 @XmlElement(name="book") 49 public Set<Book> getBook() { 50 return book; 51 } 52 53 public void setBook(Set<Book> book) { 54 this.book = book; 55 } 56 57 58} 59 Object2XmlDemo.java
1package step2; 2 3import java.io.File; 4import java.util.HashSet; 5import java.util.Set; 6 7import javax.xml.bind.JAXBContext; 8import javax.xml.bind.JAXBException; 9import javax.xml.bind.Marshaller; 10 11//Marshaller 12public class Object2XmlDemo { 13 public static void main(String[] args) { 14 15 Customer customer = new Customer(); 16 customer.setId(100); 17 customer.setName("suo"); 18 customer.setAge(29); 19 20 Book book = new Book(); 21 book.setId("1"); 22 book.setName("哈里波特"); 23 book.setPrice(100); 24 25 Book book2 = new Book(); 26 book2.setId("2"); 27 book2.setName("苹果"); 28 book2.setPrice(50); 29 30 Set<Book> bookSet = new HashSet<Book>(); 31 bookSet.add(book); 32 bookSet.add(book2); 33 34 customer.setBook(bookSet); 35 36 try { 37 File file = new File("H:\\Xfile24.xml"); 38 JAXBContext jaxbContext = JAXBContext.newInstance(Customer.class); 39 Marshaller jaxbMarshaller = jaxbContext.createMarshaller(); 40 // output pretty printed 41 jaxbMarshaller.setProperty(Marshaller.JAXB_FORMATTED_OUTPUT, true); 42 jaxbMarshaller.marshal(customer, file); 43 jaxbMarshaller.marshal(customer, System.out); 44 } catch (JAXBException e) { 45 e.printStackTrace(); 46 } 47 } 48} 49 执行效果
1<?xml version="1.0" encoding="UTF-8" standalone="yes"?> 2<customer> 3 <id>100</id> 4 <name>suo</name> 5 <age>29</age> 6 <books> 7 <book> 8 <id>1</id> 9 <name>鍝堥噷娉㈢壒</name> 10 <price>100.0</price> 11 </book> 12 <book> 13 <id>2</id> 14 <name>鑻规灉</name> 15 <price>50.0</price> 16 </book> 17 </books> 18</customer> 19
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