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XStream 非常简单实用的XML读写工具(一)

最近工作内容需要对Java对象做XML输出,公司里常用的两种框架是XStream和XML Beans。两种都我都用了,对于普通的,schema不是很复杂的XML文件来说选择XStream更方便。这篇文章先介绍一下XStream的用法,XML Beans的用法另外再介绍。
1. 先给个要输出的xml文档的例子:
<students>
<student>
<name>Peter</name>
<id>1001</id>
<age>15</age>
<student>
<student>
<name>Mike</name>
<id>1002</id>
<age>16</age>
<student>
<students>
2. 首先定义两个类:Students和Student,其中Students有一个List<Student>,Student有三个Field:name,id,age
public class Students {

List studentList;

public Students() {
studentList = new ArrayList();
}
public void addStudent(Student p) {
studentList.add(p);
}
}
public class Student {
private String name, id, age;
public Student(String name, String id, String age){
this.name = name;
this.id = id;
this.age = age;
}
//Setter and Getter for name, id, age
......
}
3. 使用XStream将Object写入XML:
//XStream实例
XStream xStream = new XStream();
//定义xml的根节点"Students"
Students root = new Students();
//定义根节点的两个子节点"Student"
Student peter = new Student("peter", "1001", "15");
Student mike = new Student("mike", "1002", "16");
//添加到根节点上
root.addStudent(peter);
root.addStudent(mike);
//
System.out.println(xStream.toXML(root));
4. 输出的结果和我们的期待的并不完全一样:
<de.dexin.student.Students>
<studentList>
<de.dexin.student.Student>
<name>peter</name>
<id>1001</id>
<age>15</age>
</de.dexin.student.Student>
<de.dexin.student.Student>
<name>mike</name>
<id>1002</id>
<age>16</age>
<


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