方法一

//bean装换成map

public static Map<?, ?> objectToMap2(Object obj) {  
        if(obj == null)  
            return null;   
        return new org.apache.commons.beanutils.BeanMap(obj);  
    }  
   方法二

//bean装换成map

    public static Map<String, Object> objectToMap(Object obj)  {
        Map<String, Object> map = new HashMap<String, Object>();
        try{
            if (obj == null)
                return map;
            BeanInfo beanInfo = Introspector.getBeanInfo(obj.getClass());
            PropertyDescriptor[] propertyDescriptors = beanInfo.getPropertyDescriptors();
            for (PropertyDescriptor property : propertyDescriptors) {
                String key = property.getName();
                if (key.compareToIgnoreCase("class") == 0) {
                    continue;
                }
                Method getter = property.getReadMethod();
               // System.out.println("key:" + key + ",getter:" + getter);
                Object value = getter != null ? getter.invoke(obj) : null;
                map.put(key, value);
            }
        }catch(Exception e){
            e.printStackTrace();
        }
        return map;
    }

//map装换成bean

public static Object mapToObject(Map<String, Object> map, Object bean) throws Exception {    
        if (map == null)  
            return null;  
        Object obj = bean.getClass().newInstance();  
        org.apache.commons.beanutils.BeanUtils.populate(obj, map);
   
        return obj;  
    }