1 /** 将sourceObj的属性拷贝到targetObj
2 * @param sourceObj
3 * @param targetObj
4 * @param clazz 从哪一个类开始(比如sourceObj对象层级为:Object->User->ChineseUser->ChineseMan->ChineseChongQingMan)
5 * 如果需要从ChineseUser开始复制，clazz就指定为ChineseUser.class
6 */
7 public static void cpoyObjAttr(Object sourceObj, Object targetObj, Class<?> clazz)throws Exception
8 {
9 if(sourceObj==null || targetObj==null)
10 {
11 throw new Exception("源对象和目标对象不能为null");
12 }
13 Field[] fields=clazz.getDeclaredFields();
14 for(int i = 0; i < fields.length; i++)
15 {
16 //System.out.println(fields[i].getName());
17 //Object sourceValue=fields[i].get(sourceObj);
18
19 Method getMethod = sourceObj.getClass().getMethod("get" + fields[i].getName());
20 Object sourceValue = (Object) getMethod.invoke(sourceObj, null);
21 if(null==sourceValue)
22 {
23 sourceValue = null;
24 }
25 fields[i].setAccessible(true);
26 fields[i].set(targetObj,sourceValue);
27
28 // System.out.println(fields[i].getName()+";"+clazz+";"+fields[i].getType());
29 // Method setMethod = targetObj.getClass().getMethod("set" +fields[i].getName(), fields[i].getType());
30 // setMethod.invoke(targetObj, sourceValue.toString());
31 }
32 if(clazz.getSuperclass()==Object.class){
33 return;
34 }
35 cpoyObjAttr(sourceObj,targetObj,clazz.getSuperclass());
36 }
