// Map --> Bean 2: 利用org.apache.commons.beanutils 工具类实现 Map --> Bean public static void transMap2Bean2(Map<String, Object> map, Object obj) { if (map == null || obj == null) { return; } try { BeanUtils.populate(obj, map); } catch (Exception e) { System.out.println("transMap2Bean2 Error " + e); } } // Map --> Bean 1: 利用Introspector,PropertyDescriptor实现 Map --> Bean public static void transMap2Bean(Map<String, Object> map, Object obj) { try { BeanInfo beanInfo = Introspector.getBeanInfo(obj.getClass()); PropertyDescriptor[] propertyDescriptors = beanInfo.getPropertyDescriptors(); for (PropertyDescriptor property : propertyDescriptors) { String key = property.getName(); if (map.containsKey(key)) { Object value = map.get(key); // 得到property对应的setter方法 Method setter = property.getWriteMethod(); setter.invoke(obj, value); } } } catch (Exception e) { System.out.println("transMap2Bean Error " + e); } return; } // Bean --> Map 1: 利用Introspector和PropertyDescriptor 将Bean --> Map public static Map<String, Object> transBean2Map(Object obj) { if(obj == null){ return null; } Map<String, Object> map = new HashMap<String, Object>(); try { BeanInfo beanInfo = Introspector.getBeanInfo(obj.getClass()); PropertyDescriptor[] propertyDescriptors = beanInfo.getPropertyDescriptors(); for (PropertyDescriptor property : propertyDescriptors) { String key = property.getName(); // 过滤class属性 if (!key.equals("class")) { // 得到property对应的getter方法 Method getter = property.getReadMethod(); Object value = getter.invoke(obj); map.put(key, value); } } } catch (Exception e) { System.out.println("transBean2Map Error " + e); } return map; }
时间: 2024-10-24 11:34:33