java object bean 转map

 import java.lang.reflect.Field;
 /**
      * obj-->map
      * ConvertObjToMap
      * 2016年8月17日上午10:53:59
      * @param
      * @return
      */
     public static Map ConvertObjToMap(Object obj) {
         Map<String, Object> reMap = new HashMap<String, Object>();
         if (obj == null)
             return null;
         Field[] fields = obj.getClass().getDeclaredFields();
         try {
             for (int i = ; i < fields.length; i++) {
                 try {
                     Field f = obj.getClass().getDeclaredField(fields[i].getName());
                     f.setAccessible(true);
                     Object o = f.get(obj);
                     reMap.put(fields[i].getName(), o);
                 } catch (NoSuchFieldException e) {
                     // TODO Auto-generated catch block
                     e.printStackTrace();
                 } catch (IllegalArgumentException e) {
                     // TODO Auto-generated catch block
                     e.printStackTrace();
                 } catch (IllegalAccessException e) {
                     // TODO Auto-generated catch block
                     e.printStackTrace();
                 }
             }
         } catch (SecurityException e) {
             // TODO Auto-generated catch block
             e.printStackTrace();
         }
         return reMap;
     }