dom4J 递归解析

dom4J 递归解析

book.xml:
<? xml version = " 1.0 "  encoding = " UTF-8 " ?>
< INVENTORY name = " INAtrabute " >
     < BOOK name = " textBook " >
         < TITLE >
            The Adventures of Huckleberry Finn
             < FEN > mast
                 < MIAO >
                miao
                 </ MIAO >
             </ FEN >
         </ TITLE >
         < AUTHOR > Mark Twain
             < FEN > mast1
                 < MIAO >
                miao1
                 </ MIAO >
             </ FEN >
         </ AUTHOR >
         < BINDING > mass market paperback </ BINDING >
         < PAGES > 298 </ PAGES >
     < price > 209yuan </ price >
     </ BOOK >
     < BOOK >
         < TITLE name = " testName " > Leaves of Grass </ TITLE >
         < AUTHOR > Walt Whitman </ AUTHOR >
         < BINDING > hardcover </ BINDING >
         < PAGES > 462 </ PAGES >
     </ BOOK >
</ INVENTORY >

解析代码：
@Test
     public   void  treeWalk()  throws  DocumentException {
        SAXReader reader = new SAXReader(); 
        Document document = reader.read(new File("src/book.xml"));
        Element element= document.getRootElement();
        treeWalk(element);
        
    }
     public   void  treeWalk(Element element) {
        for(int i = 0 , size = element.nodeCount();i<size;i++){
            Node node = element.node(i);
            
            if(node instanceof Element){
                treeWalk((Element)node);
                String value = node.getName();
                System.out.println(value);
            }else{
                
            }
        }
    }