xml tutorials
This commit is contained in:
sxyx2008
+136
@@ -0,0 +1,136 @@
|
||||
package net.aimeizi.sax.parse.example;
|
||||
|
||||
import java.io.IOException;
|
||||
import java.io.InputStream;
|
||||
import java.util.ArrayList;
|
||||
import java.util.List;
|
||||
|
||||
import javax.xml.parsers.ParserConfigurationException;
|
||||
import javax.xml.parsers.SAXParser;
|
||||
import javax.xml.parsers.SAXParserFactory;
|
||||
|
||||
import org.xml.sax.Attributes;
|
||||
import org.xml.sax.SAXException;
|
||||
import org.xml.sax.helpers.DefaultHandler;
|
||||
|
||||
public class SaxParseXml extends DefaultHandler {
|
||||
|
||||
// 存放遍历集合
|
||||
private List<Student> list;
|
||||
// 构建Student对象
|
||||
private Student student;
|
||||
// 用来存放每次遍历后的元素名称(节点名称)
|
||||
private String tagName;
|
||||
|
||||
public List<Student> getList() {
|
||||
return list;
|
||||
}
|
||||
|
||||
public void setList(List<Student> list) {
|
||||
this.list = list;
|
||||
}
|
||||
|
||||
public Student getStudent() {
|
||||
return student;
|
||||
}
|
||||
|
||||
public void setStudent(Student student) {
|
||||
this.student = student;
|
||||
}
|
||||
|
||||
public String getTagName() {
|
||||
return tagName;
|
||||
}
|
||||
|
||||
public void setTagName(String tagName) {
|
||||
this.tagName = tagName;
|
||||
}
|
||||
|
||||
// 只调用一次 初始化list集合
|
||||
@Override
|
||||
public void startDocument() throws SAXException {
|
||||
list = new ArrayList<Student>();
|
||||
}
|
||||
|
||||
// 调用多次 开始解析
|
||||
@Override
|
||||
public void startElement(String uri, String localName, String qName,
|
||||
Attributes attributes) throws SAXException {
|
||||
if (qName.equals("student")) {
|
||||
student = new Student();
|
||||
// 获取student节点上的id属性值
|
||||
student.setId(Integer.parseInt(attributes.getValue(0)));
|
||||
// 获取student节点上的group属性值
|
||||
student.setGroup(Integer.parseInt(attributes.getValue(1)));
|
||||
}
|
||||
this.tagName = qName;
|
||||
}
|
||||
|
||||
// 调用多次
|
||||
@Override
|
||||
public void endElement(String uri, String localName, String qName)
|
||||
throws SAXException {
|
||||
if (qName.equals("student")) {
|
||||
this.list.add(this.student);
|
||||
}
|
||||
this.tagName = null;
|
||||
}
|
||||
|
||||
// 只调用一次
|
||||
@Override
|
||||
public void endDocument() throws SAXException {
|
||||
}
|
||||
|
||||
// 调用多次
|
||||
@Override
|
||||
public void characters(char[] ch, int start, int length)
|
||||
throws SAXException {
|
||||
if (this.tagName != null) {
|
||||
String date = new String(ch, start, length);
|
||||
if (this.tagName.equals("name")) {
|
||||
this.student.setName(date);
|
||||
} else if (this.tagName.equals("sex")) {
|
||||
this.student.setSex(date);
|
||||
} else if (this.tagName.equals("age")) {
|
||||
this.student.setAge(Integer.parseInt(date));
|
||||
} else if (this.tagName.equals("email")) {
|
||||
this.student.setEmail(date);
|
||||
} else if (this.tagName.equals("birthday")) {
|
||||
this.student.setBirthday(date);
|
||||
} else if (this.tagName.equals("memo")) {
|
||||
this.student.setMemo(date);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
public static void main(String[] args) {
|
||||
SAXParser parser = null;
|
||||
try {
|
||||
// 构建SAXParser
|
||||
parser = SAXParserFactory.newInstance().newSAXParser();
|
||||
// 实例化 DefaultHandler对象
|
||||
SaxParseXml parseXml = new SaxParseXml();
|
||||
// 加载资源文件 转化为一个输入流
|
||||
InputStream stream = ClassLoader.getSystemResourceAsStream("Student.xml");
|
||||
// 调用parse()方法
|
||||
parser.parse(stream, parseXml);
|
||||
// 遍历结果
|
||||
List<Student> list = parseXml.getList();
|
||||
for (Student student : list) {
|
||||
System.out.println("id:" + student.getId() + "\tgroup:"
|
||||
+ student.getGroup() + "\tname:" + student.getName()
|
||||
+ "\tsex:" + student.getSex() + "\tage:"
|
||||
+ student.getAge() + "\temail:" + student.getEmail()
|
||||
+ "\tbirthday:" + student.getBirthday() + "\tmemo:"
|
||||
+ student.getMemo());
|
||||
}
|
||||
} catch (ParserConfigurationException e) {
|
||||
e.printStackTrace();
|
||||
} catch (SAXException e) {
|
||||
e.printStackTrace();
|
||||
} catch (IOException e) {
|
||||
e.printStackTrace();
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
+62
@@ -0,0 +1,62 @@
|
||||
package net.aimeizi.sax.parse.example;
|
||||
|
||||
public class Student {
|
||||
|
||||
private int id;
|
||||
private int group;
|
||||
private String name;
|
||||
private String sex;
|
||||
private int age;
|
||||
private String email;
|
||||
private String memo;
|
||||
private String birthday;
|
||||
public int getId() {
|
||||
return id;
|
||||
}
|
||||
public void setId(int id) {
|
||||
this.id = id;
|
||||
}
|
||||
public int getGroup() {
|
||||
return group;
|
||||
}
|
||||
public void setGroup(int group) {
|
||||
this.group = group;
|
||||
}
|
||||
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 int getAge() {
|
||||
return age;
|
||||
}
|
||||
public void setAge(int age) {
|
||||
this.age = age;
|
||||
}
|
||||
public String getEmail() {
|
||||
return email;
|
||||
}
|
||||
public void setEmail(String email) {
|
||||
this.email = email;
|
||||
}
|
||||
public String getMemo() {
|
||||
return memo;
|
||||
}
|
||||
public void setMemo(String memo) {
|
||||
this.memo = memo;
|
||||
}
|
||||
public String getBirthday() {
|
||||
return birthday;
|
||||
}
|
||||
public void setBirthday(String birthday) {
|
||||
this.birthday = birthday;
|
||||
}
|
||||
|
||||
}
|
||||
@@ -0,0 +1,43 @@
|
||||
<?xml version="1.0" encoding="UTF-8"?>
|
||||
<root>
|
||||
<student id="1" group="1">
|
||||
<name>张三</name>
|
||||
<sex>男</sex>
|
||||
<age>18</age>
|
||||
<email>zhangsan@163.com</email>
|
||||
<birthday>1987-06-08</birthday>
|
||||
<memo>好学生</memo>
|
||||
</student>
|
||||
<student id="2" group="2">
|
||||
<name>李四</name>
|
||||
<sex>女</sex>
|
||||
<age>18</age>
|
||||
<email>lisi@163.com</email>
|
||||
<birthday>1987-06-08</birthday>
|
||||
<memo>好学生</memo>
|
||||
</student>
|
||||
<student id="3" group="3">
|
||||
<name>小王</name>
|
||||
<sex>男</sex>
|
||||
<age>18</age>
|
||||
<email>xiaowang@163.com</email>
|
||||
<birthday>1987-06-08</birthday>
|
||||
<memo>好学生</memo>
|
||||
</student>
|
||||
<student id="4" group="4">
|
||||
<name>小张</name>
|
||||
<sex>男</sex>
|
||||
<age>18</age>
|
||||
<email>xiaozhang@163.com</email>
|
||||
<birthday>1987-06-08</birthday>
|
||||
<memo>好学生</memo>
|
||||
</student>
|
||||
<student id="5" group="5">
|
||||
<name>小明</name>
|
||||
<sex>男</sex>
|
||||
<age>18</age>
|
||||
<email>xiaoming@163.com</email>
|
||||
<birthday>1987-06-08</birthday>
|
||||
<memo>好学生</memo>
|
||||
</student>
|
||||
</root>
|
||||
Reference in New Issue
Block a user