Java对象拷贝

public static void copy(Object src , Object tar){
try {
Class<?> srcClazz = src.getClass();
Class<?> tarClazz = tar.getClass();
Field[] srcClazzDeclaredFields = srcClazz.getDeclaredFields();
for(Field srcField : srcClazzDeclaredFields){
String srcFieldNameBefore = srcField.getName();
String srcFieldNameFirstUp = srcFieldNameBefore.substring(0,1).toUpperCase()

• srcFieldNameBefore.substring(1,srcFieldNameBefore.length());
  Method srcMethod = null;
  Method tarMethod = null;
  String getMethodName = "get" + srcFieldNameFirstUp;
  String setMethodName = "set" + srcFieldNameFirstUp;
  Class reType = null;
  try {
  srcMethod = srcClazz.getDeclaredMethod(getMethodName);
  }catch (Exception e){}
  if(srcMethod != null){
  try {
  reType = srcMethod.getReturnType();
  tarMethod = tarClazz.getDeclaredMethod(setMethodName , reType);
  }catch (Exception e){}
  if(tarMethod != null){
  Object obj = srcMethod.invoke(src);
  tarMethod.invoke(tar,obj);
  }
  }
  }
  }catch (Exception e){
  e.printStackTrace();
  }
  }