JSON和XML格式互相转换

JSON格式和XML格式都是比较常见的数据存储格式。但是有时候我们会从接口从服务器或者其他途径调用返回的结果并不是我们想要的。常见的就是我需要XML格式的，结果服务器返回给我的是JSON格式。今天的常见问题就是，Java中JSON和XML如何互相转换。

  
  

   
   import 
   
   net.sf.json.JSONObject
   
   ;
  
  
  
  

   
   import 
   
   net.sf.json.xml.XMLSerializer
   
   ;
  
  
  
  


  
  
  
  

   
   public 
   
   class 
   
   JSONToXml 
   
   {
  
  
  
  
	
   
   private 
   
   static 
   
   final 
   
   String 
   
   STR_JSON 
   
   = 
   
   "{\"name\":\"Michael\",\"address\":{\"city\":\"shanghai\",\"street\":\" Changjiang Road \",\"postcode\":100025},\"blog\":\"http://cross.withiter.com\"}"
   
   ;
  
  
  
  
	
   
   public 
   
   static 
   
   String 
   
   xml2JSON
   
   (
   
   String 
   
   xml
   
   ){
  
  
  
  
		
   
   return 
   
   new 
   
   XMLSerializer
   
   ().
   
   read
   
   (
   
   xml
   
   ).
   
   toString
   
   ();
  
  
  
  
	
   
   }
  
  
  
  
	
  
  
  
  
	
   
   public 
   
   static 
   
   String 
   
   json2XML
   
   (
   
   String 
   
   json
   
   ){
  
  
  
  
		
   
   JSONObject 
   
   jobj 
   
   = 
   
   JSONObject
   
   .
   
   fromObject
   
   (
   
   json
   
   );
  
  
  
  
		
   
   String 
   
   xml 
   
   =  
   
   new 
   
   XMLSerializer
   
   ().
   
   write
   
   (
   
   jobj
   
   );
  
  
  
  
		
   
   return 
   
   xml
   
   ;
  
  
  
  
	
   
   }
  
  
  
  
	
  
  
  
  
	
   
   public 
   
   static 
   
   void 
   
   main
   
   (
   
   String
   
   [] 
   
   args
   
   ) 
   
   {
  
  
  
  
		
   
   String 
   
   xml 
   
   = 
   
   json2XML
   
   (
   
   STR_JSON
   
   );
  
  
  
  
		
   
   System
   
   .
   
   out
   
   .
   
   println
   
   (
   
   "xml = "
   
   +
   
   xml
   
   );
  
  
  
  
		
   
   String 
   
   json 
   
   = 
   
   xml2JSON
   
   (
   
   xml
   
   );
  
  
  
  
		
   
   System
   
   .
   
   out
   
   .
   
   println
   
   (
   
   "json = "
   
   +
   
   json
   
   );
  
  
  
  
	
   
   }
  
  
  
  

   
   }
  
  

  
  

   
   xml = <?xml version="1.0" encoding="UTF-8"?>
  
  
  
  

   
   <o><address class="object"><city type="string">shanghai</city><postcode type="number">100025</postcode><street type="string"> Changjiang Road </street></address><blog type="string">http://cross.withiter.com</blog><name type="string">Michael</name></o>
  
  
  
  


  
  
  
  

   
   Dec 30, 2013 2:32:41 PM net.sf.json.xml.XMLSerializer getType
  
  
  
  

   
   INFO: Using default type string
  
  
  
  

   
   json = {"address":{"city":"shanghai","postcode":100025,"street":" Changjiang Road "},"blog":"http://cross.withiter.com","name":"Michael"}