change getFilms of TerminalController
finish the three function of terminalController
	modified:   src/main/java/cn/sh/sbl/hotel/vo/FileList.java
	modified:   src/main/java/cn/sh/sbl/hotel/vo/FilmList.java
	modified:   src/main/java/cn/sh/sbl/hotel/vo/FilmVo.java
	modified:   src/main/java/cn/sh/sbl/hotel/web/action/TerminalController.java