1.随机颜色 OpenCV中自带了取随机数的方法,使用步骤: RNG rng( 0xFFFFFFFF ); 随机数 = rng.uniform( 下限,上限 ); 2.显示文字 , , bool bottomLeftOrigin=false ) img – Image. text – Text string to be drawn. org – Bottom-left corner of the text string in the image. font – CvFont structure
List<User> students = new ArrayList<User>(); User user1 = new User(); user1.setAge(112); user1.setUserName("小米"); user1.setMoney(118.55); students.add(user1); User user2 = new User(); user2.setAge(82); user2.setUserName("小王"