JavaBean转化为Map,List转化为List

时间:2023-03-10 08:30:27
JavaBean转化为Map,List<JavaBean>转化为List<Map>
   /**
* 将对象转化为map
*
* @param bean
* @param <T>
* @return
*/
private <T> Map<String, Object> beanToMap(T bean) {
Map<String, Object> map = Maps.newHashMap();
if (bean != null) {
BeanMap beanMap = BeanMap.create(bean);
for (Object key : beanMap.keySet()) {
map.put(key.toString(), beanMap.get(key));
}
}
return map;
} /**
* 将list<JavaBean>转化为List<Map<String, Object>>
*
* @param objList
* @param <T>
* @return
*/
private <T> List<Map<String, Object>> objectsToMaps(List<T> objList) {
List<Map<String, Object>> list = Lists.newArrayList();
if (objList != null && objList.size() > ) {
Map<String, Object> map = null;
T bean = null;
for (int i = , size = objList.size(); i < size; i++) {
bean = objList.get(i);
map = beanToMap(bean);
list.add(map);
}
}
return list;
}

主要就是

通过net.sf.cglib.beans.BeanMap类中的方法,原理几乎都是反射