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 = 0; 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;
    }