Created
December 27, 2013 09:02
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java using sax get xml node and nodeValue
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import org.xml.sax.Attributes; | |
import org.xml.sax.SAXException; | |
import org.xml.sax.helpers.DefaultHandler; | |
public class SAXParserXmlUtil extends DefaultHandler { | |
private StringBuffer node=new StringBuffer(); | |
private StringBuffer nodeValue=new StringBuffer(); | |
private StringBuffer value=new StringBuffer(); | |
public String getNode() { | |
return node.toString(); | |
} | |
public String getNodeValue() { | |
return nodeValue.toString(); | |
} | |
/* | |
* 此方法有三个参数 ch是传回来的字符数组,其包含元素内容 start和length分别是数组的开始位置和结束位置 | |
*/ | |
@Override | |
public void characters(char[] ch, int start, int length) throws SAXException { | |
String content=new String(ch, start, length); | |
value.append(content); | |
super.characters(ch, start, length); | |
} | |
@Override | |
public void startDocument() throws SAXException { | |
// System.out.println("Start"); | |
super.startDocument(); | |
} | |
@Override | |
public void endDocument() throws SAXException { | |
// System.out.println("End"); | |
node.append("\n"); | |
nodeValue.append("\n"); | |
super.endDocument(); | |
} | |
/* | |
* uri是名称空间 localName是包含名称空间的标签,如果没有名称空间,则为空 qName是不包含名称空间的标签 attributes是属性的集合 | |
*/ | |
@Override | |
public void startElement(String uri, String localName, String qName, Attributes attributes) throws SAXException { | |
// System.out.println("starttag:" + qName); | |
value=new StringBuffer(); | |
if(!"ROOT".equals(qName)) { | |
node.append(qName).append(","); | |
} | |
if(attributes != null) { | |
for(int i=0; i < attributes.getLength(); i++) { | |
// getQName()是获取属性名称, | |
System.out.println(attributes.getQName(i) + "=\"" + attributes.getValue(i) + "\""); | |
} | |
} | |
super.startElement(uri, localName, qName, attributes); | |
} | |
/* | |
* uri是名称空间 localName是包含名称空间的标签,如果没有名称空间,则为空 qName是不包含名称空间的标签 | |
*/ | |
@Override | |
public void endElement(String uri, String localName, String qName) throws SAXException { | |
// System.out.println(value.toString()); | |
// System.out.println("endtag:" + qName); | |
if(!"ROOT".equals(qName)) { | |
nodeValue.append(value.toString()).append(","); | |
} | |
super.endElement(uri, localName, qName); | |
} | |
} |
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