标签:des style blog color io os ar java for
student.xml 文件展示: <?xml version="1.0" encoding="utf-8" ?> <person> <student id=‘1‘> <name>余超</name> <sex>男</sex> <desc>一个执着而又天真的孩子</desc> </student> <student id=‘2‘> <name>马靖</name> <sex>女</sex> <desc>一个特别难追求的女孩子</desc> </student> </person> Student实体类的展示:其作用就是用于临时保存xml文件中的数据到属性中 package net.nyist.xmlparse.domain; import java.io.Serializable; /** * @author yuchao * * @school 南阳理工软件学院移动设备应用与开发移动四班 * * @email yu0312chao@163.com * * @time 2014年9月30日 下午10:52:47 */ @SuppressWarnings("serial") public class Student implements Serializable { private int id; private String name; private String sex; private String desc; public Student() { } public Student(int id, String name, String sex, String desc) { this.id = id; this.name = name; this.sex = sex; this.desc = desc; } public int getId() { return id; } public void setId(int id) { this.id = id; } public String getName() { return name; } public void setName(String name) { this.name = name; } public String getSex() { return sex; } public void setSex(String sex) { this.sex = sex; } public String getDesc() { return desc; } public void setDesc(String desc) { this.desc = desc; } @Override public String toString() { return "Student [id=" + id + ", name=" + name + ", sex=" + sex + ", desc=" + desc + "]"; } }
package net.nyist.xmlparse.parse.dom; import java.io.InputStream; import java.util.ArrayList; import java.util.List; import javax.xml.parsers.DocumentBuilder; import javax.xml.parsers.DocumentBuilderFactory; import net.nyist.xmlparse.domain.Student; import org.w3c.dom.Document; import org.w3c.dom.Element; import org.w3c.dom.Node; import org.w3c.dom.NodeList; /** * @author yuchao * * @school 南阳理工软件学院移动设备应用与开发移动四班 * * @email yu0312chao@163.com * * @time 2014年9月30日 下午11:12:57 */ public class DocumentBuilderFactoryDemo { public static void main(String[] args) { /** 首先得到:得到 DOM 解析器的工厂实例 */ DocumentBuilderFactory documentBuilderFactory = DocumentBuilderFactory .newInstance(); List<Student> students = new ArrayList<Student>(); try { /** 然后从 DOM 工厂获得 DOM 解析器 */ DocumentBuilder documentBuilder = documentBuilderFactory .newDocumentBuilder(); InputStream is = DocumentBuilderFactoryDemo.class.getClassLoader() .getResourceAsStream("student.xml"); Document document = documentBuilder.parse(is); /** 得到 XML 文档的根节点 */ Element element = document.getDocumentElement(); NodeList nodeList = element.getElementsByTagName("student"); Student student = null; for (int i = 0; i < nodeList.getLength(); i++) { Node node = nodeList.item(i); int id = Integer.parseInt(node.getAttributes() .getNamedItem("id").getNodeValue()); String nameValue = ""; String sexValue = ""; String descValue = ""; if (node.hasChildNodes()) { NodeList childNodes = node.getChildNodes(); for (int j = 0; j < childNodes.getLength(); j++) { Node node2 = childNodes.item(j); if ("name".equals(node2.getNodeName())) { nameValue = node2.getFirstChild().getTextContent(); } else if ("sex".equals(node2.getNodeName())) { sexValue = node2.getFirstChild().getTextContent(); } else if ("desc".equals(node2.getNodeName())) { descValue = node2.getFirstChild().getTextContent(); } } student = new Student(id, nameValue, sexValue, descValue); students.add(student); } } } catch (Exception e) { e.printStackTrace(); } for (int i = 0; students != null && students.size() > 0 && i < students.size(); i++) { System.out.println(students.get(i)); } } }
标签:des style blog color io os ar java for
原文地址:http://www.cnblogs.com/yu0312chao/p/4002985.html