通過BeanUtils.copyProperties可以時間拷貝對象中的值，下面的new String[]{"cid","agreeFlag","flag","publishTime","projectNum"}表示的不拷貝的屬性值

CopyRight copyRight = copyRightService.createCopyRight(request, user);
//獲得要修改的course,然后重新設置參數
CopyRight copyRightInDataBase = copyRightService.findByCopyRightId(copyRight.getCid());
BeanUtils.copyProperties(copyRight, copyRightInDataBase,
??? ??new String[]{"cid","agreeFlag","flag","publishTime","projectNum"})

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