Based on the provided information, there are no identifiable LGBTQ+ characters or themes present in the film. Therefore, an evaluation of its portrayal is not applicable.

Based on the information provided, there is no indication of transsexual characters or themes within the film 上海新娘 (1997). Therefore, an evaluation of its portrayal is not applicable.

The movie does not contain any action or adventure elements.

The film "Shang hai xin niang" (Shanghai Bride) is an original drama from 1997. There is no evidence of it being an adaptation of pre-existing material or based on historical figures with established genders. Therefore, its characters are original creations, and no gender swap can be identified.

This 1997 Chinese film, "Shang hai xin niang," is a local production starring Chinese actors. There is no indication it is an adaptation of source material with characters canonically established as a different race, nor is it a biopic of a non-East Asian historical figure. Therefore, no race swaps are identified.