String转XML的步骤

String转XML的方法
w3c的dom

Java代码 
1.DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();   
2.  DocumentBuilder builder;  
3.   try    {  
4.   builder  =  factory.newDocumentBuilder();  
5.   Document doc  =  builder.parse( new  ByteArrayInputStream(str.getBytes()));   
6.  }   catch  (ParserConfigurationException e)   {  
7.    //  TODO Auto-generated catch block   
8.    e.printStackTrace();  
9.  }   catch  (SAXException e)   {  
10.    //  TODO Auto-generated catch block   
11.    e.printStackTrace();  
12.  }   catch  (IOException e)   {  
13.    //  TODO Auto-generated catch block   
14.    e.printStackTrace();  
15.  }  
DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
  DocumentBuilder builder;
   try    {
   builder  =  factory.newDocumentBuilder();
   Document doc  =  builder.parse( new  ByteArrayInputStream(str.getBytes()));
  }   catch  (ParserConfigurationException e)   {
    //  TODO Auto-generated catch block
    e.printStackTrace();
  }   catch  (SAXException e)   {
    //  TODO Auto-generated catch block
    e.printStackTrace();
  }   catch  (IOException e)   {
    //  TODO Auto-generated catch block
    e.printStackTrace();
  }

dom4j

Java代码 
1.SAXReader saxReader = new SAXReader();  
2.        Document document;  
3.        try {  
4.            document = saxReader.read(new ByteArrayInputStream(str.getBytes()));  
5.            Element incomingForm = document.getRootElement();  
6.        } catch (DocumentException e) {  
7.            // TODO Auto-generated catch block  
8.            e.printStackTrace();  
9.        }