import java.lang.reflect.Method; import java.text.ParseException; import java.util.HashMap; import java.util.Iterator; import java.util.Map; import org.json.JSONObject; /** *转换器 *1:将JavaBean 转换成Map、JSONObject *2:将JSONObject 转换成Map * * @author xxx */ public class BeanConverter {     /**      * 将javaBean转换成Map      *      * @param javaBean javaBean      * @return Map对象      */     public static Map
    
      toMap(Object javaBean)     {         Map
     
       result = new HashMap
      
       ();         Method[] methods = javaBean.getClass().getDeclaredMethods();         for (Method method : methods)         {             try             {                 if (method.getName().startsWith("get"))                 {                     String field = method.getName();                     field = field.substring(field.indexOf("get") + 3);                     field = field.toLowerCase().charAt(0) + field.substring(1);                     Object value = method.invoke(javaBean, (Object[])null);                     result.put(field, null == value ? "" : value.toString());                 }             }             catch (Exception e)             {             }         }         return result;     }     /**      * 将json对象转换成Map      *      * @param jsonObject json对象      * @return Map对象      */     @SuppressWarnings("unchecked")     public static Map
       
         toMap(JSONObject jsonObject)     {         Map
        
          result = new HashMap
         
          (); Iterator
          
            iterator = jsonObject.keys(); String key = null; String value = null; while (iterator.hasNext()) { key = iterator.next(); value = jsonObject.getString(key); result.put(key, value); } return result; } /** * 将javaBean转换成JSONObject * * @param bean javaBean * @return json对象 */ public static JSONObject toJSON(Object bean) { return new JSONObject(toMap(bean)); } /** * 将map转换成Javabean * * @param javabean javaBean * @param data map数据 */ public static Object toJavaBean(Object javabean, Map
           
             data) { Method[] methods = javabean.getClass().getDeclaredMethods(); for (Method method : methods) { try { if (method.getName().startsWith("set")) { String field = method.getName(); //核心就是反射 field = field.substring(field.indexOf("set") + 3); field = field.toLowerCase().charAt(0) + field.substring(1); method.invoke(javabean, new Object[] { data.get(field) }); } } catch (Exception e) { } } return javabean; } /** * 将javaBean转换成JSONObject * * @param bean javaBean * @return json对象 * @throws ParseException json解析异常 */ public static void toJavaBean(Object javabean, String data) throws ParseException { JSONObject jsonObject = new JSONObject(data); Map
            
              datas = toMap(jsonObject); toJavaBean(javabean, datas); }