MyEntity entity = new MyEntity();
try {
// 获取实体类对应的字段
Field field = MyEntity.class.getDeclaredField('name');
// 设置字段为可访问(如果它是私有的)
field.setAccessible(true);
// 给字段赋值
field.set(entity, 'cyy');
} catch (NoSuchFieldException e) {
System.out.println("Field " + fieldName + " not found in MyEntity.");
}