Java 解析XML文档

<?xml version="1.0" encoding="UTF-8"?>

<students>

    <student>

        <name>张三</name>

        <age>20</age>

    </student>

    <student>

        <name>李四</name>

        <age>22</age>

    </student>

    <student>

        <name>王五</name>

        <age>24</age>

    </student>

    <student>

        <name>赵六</name>

        <age>21</age>

    </student>

</students>

DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();

DocumentBuilder db = dbf.newDocumentBuilder();

Document doc = db.parse("src/students.xml");

NodeList list = doc.getElementsByTagName("student");

for (int i = 0; i < list.getLength(); i++) {

    Node node = list.item(i);

    NodeList stulist = node.getChildNodes();

    for (int j = 0; j < stulist.getLength(); j++) {
　　　　 //在XML中会默认包含一个空元素#text，需要略过

        if (stulist.item(j).getNodeName().equals("#text"))

            continue;

        Node childnode = stulist.item(j);

        System.out.println(childnode.getNodeName() + ":" + childnode.getTextContent());

    }

}

输出结果：
name:张三

age:20

name:李四

age:22

name:王五

age:24