xml读取完整的xml文件（1）

public void test() throws Exception{
//读取xml文档
SAXReader reader = new SAXReader();
Document doc = 
reader.read(new File("./src/contacts.xml"));

//读取根标签
Element rootELem = doc.getRootElement();

StringBuffer sb = new StringBuffer();

getChildNodes(rootELem,sb);

System.out.println(sb.toString());

}

/**
* 获取当前标签的所有子标签
*/
private void getChildNodes(Element elem,StringBuffer sb){
//System.out.println(elem.getName());

//开始标签
sb.append("<"+elem.getName());

//得到标签的属性列表
List<Attribute> attrs = elem.attributes();
if(attrs!=null){
for (Attribute attr : attrs) {
//System.out.println(attr.getName()+"="+attr.getValue());
sb.append(" "+attr.getName()+"=\""+attr.getValue()+"\"");
}
}
sb.append(">");

//得到文本
//String content = elem.getText();
Iterator<Node> it = elem.nodeIterator();
while(it.hasNext()){
Node node = it.next();

//标签
if(node instanceof Element){
Element el = (Element)node;
getChildNodes(el,sb);
}

//文本
if(node instanceof Text){
Text text = (Text)node;
sb.append(text.getText());
}

//结束标签
sb.append("</"+elem.getName()+">"); }

XML

<?xml version="1.0" encoding="gbk"?>

<contactList>
<contact id="001">
<name>张三</name>
<age>20</age>
<phone>1216461316</phone>
<email>zhangsan@qq.con</email>
<qq>2451356331</qq>
</contact>
<contact id="002">
<name>李四</name>
<age>23</age>
<phone>122341316</phone>
<email>lisi@qq.con</email>
<qq>23424331</qq>
<app>101010</app>
</contact>
<abc></abc>
</contactList>

腾不出时间思考的人，迟早会腾出时间来后悔；腾不出时间学习的人，迟早会腾出时间来伤悲。