方式
复制代码 代码如下:
/**
* 使用sax解析
*/
public class SaxParse{
/**
* sax解析器
*/
private SAXParser parser;
public SaxParse(){
try {
SAXParserFactory f = nstance();
parser = AXParser();
} catch (ParserConfigurationException e) {
tStackTrace();
} catch (Exception e) {
tStackTrace();
}
}
public ListdoParse(InputStream is) {
try {
XmlHandler h = new XmlHandler();
e(is,h);
return ersons();
} catch (Exception e) {
tStackTrace();
}
return null;
}
/**
* 处理器
*/
class XmlHandler extends DefaultHandler{
Listpersons = null ;
Person person = null ;
//当前元素名称
private String currEleName;
/**
* 文本节点触发该方法
*/
public void characters(char[] ch, int start, int length)throws SAXException {
String str = new String(ch,start,length);
//name
if("name"ls(currEleName)){
= str ;
}
else if("age"ls(currEleName)){
= eInt(str);
}
}
public void endDocument() throws SAXException {
}
/**
* 元素结束
*/
public void endElement(String uri, String localName, String qName)
throws SAXException {
if("person"ls(localName)){
(person);
}
//将当前元素置空
else if(("name"ls(currEleName)) || ("age"ls(currEleName))){
EleName = "" ;
}
}
/**
* 文档开始事件
*/
public void startDocument() throws SAXException {
persons = new ArrayList();
}
/**
* 元素开始事件
* localName:本地名
* uri:名字空间
* qName:限定名,前缀 + 本地名
*/
public void startElement(String uri, String localName, String qName,
Attributes attributes) throws SAXException {
//实例化person对象
if("person"ls(localName)){
person = new Person();
= eInt(alue(0));
}
//name元素
else if("name"ls(localName)){
EleName = "name" ;
}
//name元素
else if("age"ls(localName)){
EleName = "age" ;
}
}
public Listgetpersons(){
return persons ;
}
}
}
方式
复制代码 代码如下:
/**
* DOM解析
*/
public class DomParse{
//
private DocumentBuilder builder;
public DomParse(){
try {
DocumentBuilderFactory f = nstance();
der = ocumentBuilder();
} catch (Exception e) {
tStackTrace();
}
}
public ListdoParse(InputStream is) {
Listpersons = new ArrayList();
Person person = null ;
try {
Document doc = e(is);
NodeList list = lementsByTagName("person");
Element ele = null ;
for(int i = 0 ; i < ength() ; i ++){
ele = (Element) (i);
person = new Person();
= eInt(ttribute("id"));
= getSubElementTextContent(ele,"name");
= eInt(getSubElementTextContent(ele,"age"));
(person);
}
} catch (Exception e) {
tStackTrace();
}
return persons;
}
/**
* 得到指定的资源中中间的文本内容
*/
private String getSubElementTextContent(Element ele, String tagName) {
NodeList list = lementsByTagName(tagName);
Element e = (Element) (0);
//得到中间的文本节点
return extContent();
}
}
方式
复制代码 代码如下:
/**
* pull解析,拉模式,可以手动控制下一个事件是否触发.
*/
public class PullParse{
public ListdoParse(InputStream is) {
Listpersons = null ;
Person person = null ;
try {
XmlPullParser parser = ullParser();
//设置解析数据源
nput(is, "utf-8");
//取得事件的'类型
int eventType = ventType();
String eleName = null ;
while(eventType != _DOCUMENT){
switch(eventType){
//文档开始
case T_DOCUMENT:
persons = new ArrayList();
break ;
//元素开始
case T_TAG:
eleName = ame();
if("person"ls(eleName)){
person = new Person();
= eInt(ttributeValue(0));
}
else if("name"ls(eleName)){
= Text();
}
else if("age"ls(eleName)){
= eInt(Text());
}
break ;
//标记结束
case _TAG:
eleName = ame();
if("person"ls(eleName)){
(person);
}
break ;
}
//手动激活下个事件的触发
eventType = ();
}
} catch (Exception e) {
tStackTrace();
}
return persons;
}
}
