Parsing an XML file with dom4j and reading an XML file

XML file

1 <?XML version= "1.0" encoding= "UTF-8"?>2 <Bookstore>3     < BookID= "1">4         <name>The song of Ice and Fire</name>5         <author>George Martin</author>6         < Year>2014</ Year>7         < Price>89</ Price>8     </ Book>9     < BookID= "2">Ten         <name>Andersen Fairy Tale</name> One         < Year>2004</ Year> A         < Price>77</ Price> -         <language>中文版</language> -     </ Book>     the </Bookstore>

Book entity class

1  Public classBook {2     PrivateString ID;3     PrivateString name;4     PrivateString author;5     PrivateString year;6     PrivateString Price;7     PrivateString language;8     9     //Get Set method generation can beTen      One}

DOM4J parsing an XML file

1  Public classDom4jtest {2     Private StaticArraylist<book> Booklist =NewArraylist<book>();3 4     /**5      * @paramargs6      */7      Public Static voidMain (string[] args) {8         //parsing books.xml Files9         //Create a Saxreader object ReaderTenSaxreader reader =NewSaxreader (); One         Try { A             //gets the Docuemnt object by loading the Books.xml file with the Read method of the reader object.  -Document document = Reader.read (NewFile ("Src/res/books.xml")); -             //gets the root node through the Document Object Bookstore theElement Bookstore =document.getrootelement (); -             //getting iterators through the Elementiterator method of the Element object -Iterator it =bookstore.elementiterator (); -             //iterate through iterators to get information from the root node (books) +              while(It.hasnext ()) { -System.out.println ("===== begins to traverse a book ====="); +Element book =(Element) It.next (); A                 //get the property name and property value of book atList<attribute> Bookattrs =book.attributes (); -                  for(Attribute attr:bookattrs) { -System.out.println ("Property name:" + attr.getname () + "--Property value:" +Attr.getvalue ()); -                 } -Iterator ITT =book.elementiterator (); -                  while(Itt.hasnext ()) { inElement Bookchild =(Element) Itt.next (); -System.out.println ("Node name:" + bookchild.getname () + "--node value:" +Bookchild.getstringvalue ()); to                 } +System.out.println ("===== ends the traversal of a book ====="); -             } the}Catch(documentexception e) { *             //TODO auto-generated Catch block $ e.printstacktrace ();Panax Notoginseng         } -     } the}

DOM4J reading XML

 Public classDom4jtest {Private voidCreatexml () {//1. Create a Document object that represents the entire XML documentDocument document =documenthelper.createdocument (); //2. Create a root node rssElement RSS = document.addelement ("RSS"); //3. Add the Version property to the RSS nodeRss.addattribute ("Version", "2.0"); //4. Generating child nodes and node contentElement channel = rss.addelement ("channel"); Element title= Channel.addelement ("title"); Element content= Title.addelement ("Content"); Content.settext ("The northern part of the week is noticeably warmer and more than 8 ℃ higher than the same period."); //Title.settext ("<![        cdata[Shanghai Mobile Internet Industry Promotion Center officially unveiled]]> "); //5. Set the format of the generated XMLOutputFormat format =Outputformat.createprettyprint (); Format.setencoding ("UTF-8"); //6. Generating an XML fileFile File =NewFile ("Rssnews.xml");        XMLWriter writer; Try{writer=NewXMLWriter (Newfileoutputstream (file), format); //sets whether to escape, the default value is True, which represents the escapeWriter.setescapetext (false);            Writer.write (document);        Writer.close (); } Catch(IOException e) {e.printstacktrace (); }    }    /**     * @paramargs*/     Public Static voidMain (string[] args) {Newdom4jtest (). Createxml (); }}

Read XML

Parsing an XML file with dom4j and reading an XML file