use of com.mapper.WatchMovieMapper in project Movie by batsqd.
the class MovieController method getRecommendedMoviesByOurAlgorithm.
/////////////////////////////////////////////////////
@RequestMapping("getRecommendedMoviesByOurAlgorithm.action")
public ModelAndView getRecommendedMoviesByOurAlgorithm(HttpSession session) throws Exception {
User user = (User) session.getAttribute("user");
int user_id = user.getUserid();
int recommend_movie_num = Configs.recommend_movie_num;
ApplicationContext ac = ApplicationContextUtil.getApplicationContext();
WatchMovieMapper watchMovieMapper = (WatchMovieMapper) ac.getBean("watchMovieMapper");
int numsOfRatedMoviesByUserId = watchMovieMapper.numsOfRatedMoviesByUserId(user_id);
ModelAndView modelAndView = new ModelAndView();
if (numsOfRatedMoviesByUserId < 5) {
modelAndView.addObject("numsOfRatedMoviesByUserId", numsOfRatedMoviesByUserId);
modelAndView.setViewName("/WEB-INF/jsp/guessYouLike.jsp");
return modelAndView;
} else {
//超过5人评价,才做预测
ImproveSlopeOne improveSlopeOne = new ImproveSlopeOne();
List<RecommendedMovie> recommendedMovieslist = improveSlopeOne.getPredictMovies(user_id, recommend_movie_num);
//System.out.println("=========================================");
//System.out.println("推荐电影的数量:"+recommendedMovieslist.size());
//System.out.println(recommendedMovieslist.toString());
//System.out.println("==========================================");
MovieMapper movieMapper = (MovieMapper) ac.getBean("movieMapper");
RecommendMapper recommendMapper = (RecommendMapper) ac.getBean("recommendMapper");
ArrayList<Movie> moviesList = new ArrayList<Movie>();
for (int i = 0; i < recommendedMovieslist.size(); i++) {
double movie_recommend_value = recommendedMovieslist.get(i).getRecommend_vale();
int recommendedMovie_id = recommendedMovieslist.get(i).getMovie_id();
HashMap<String, Object> parameter = new HashMap<String, Object>();
parameter.put("movie_id", recommendedMovie_id);
parameter.put("user_id", user_id);
parameter.put("recommend_value", movie_recommend_value);
//最好处理下异常
//只是保存user_id movie_id recommend_value timestamp
recommendMapper.saveRecommendedMovies(parameter);
Movie movie = movieMapper.selectMovieById(recommendedMovie_id);
if (movie != null) {
moviesList.add(movie);
}
}
modelAndView.addObject("moviesList", moviesList);
modelAndView.setViewName("/WEB-INF/jsp/guessYouLike.jsp");
return modelAndView;
}
}
use of com.mapper.WatchMovieMapper in project Movie by batsqd.
the class MovieController method getHotMovies.
@RequestMapping("getHotMovies.action")
public ModelAndView getHotMovies() {
long l = System.currentTimeMillis();
Date date = new Date(l);
SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd");
String rating_time = dateFormat.format(date);
ApplicationContext ac = ApplicationContextUtil.getApplicationContext();
WatchMovieMapper watchMovieMapper = (WatchMovieMapper) ac.getBean("watchMovieMapper");
HashMap<String, Object> parameter = new HashMap<String, Object>();
parameter.put("rating_time", rating_time);
parameter.put("hot_movie_nums", Configs.hot_movie_nums);
ArrayList<Integer> movie_id_List = (ArrayList<Integer>) watchMovieMapper.selectHotMovies(parameter);
MovieMapper movieMapper = (MovieMapper) ac.getBean("movieMapper");
List<Movie> moviesList = new ArrayList<Movie>();
for (int i = 0; i < movie_id_List.size(); i++) {
//此处拿到movie ID 去movie表查询List<movie>
Movie movie = movieMapper.selectMovieById(movie_id_List.get(i));
moviesList.add(movie);
}
ModelAndView modelAndView = new ModelAndView();
modelAndView.addObject("moviesList", moviesList);
modelAndView.setViewName("/WEB-INF/jsp/hotMovies.jsp");
return modelAndView;
}
use of com.mapper.WatchMovieMapper in project Movie by batsqd.
the class StarRating method saveRating.
@RequestMapping("/saveRating.action")
@ResponseBody
public Message saveRating(int userid, int movie_id, int rating) {
//日志处理
logger_rating.info(userid + " " + movie_id + " " + rating);
ApplicationContext ac = ApplicationContextUtil.getApplicationContext();
WatchMovieMapper watchMovieMapper = (WatchMovieMapper) ac.getBean("watchMovieMapper");
HashMap<String, Object> parameter = new HashMap<String, Object>();
parameter.put("userid", userid);
parameter.put("movie_id", movie_id);
parameter.put("rating", rating);
//得到long类型当前时间
long l = System.currentTimeMillis();
//new日期对象
Date date = new Date(l);
//转换提日期输出格式
SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd");
System.out.println(dateFormat.format(date));
parameter.put("rating_time", date);
parameter.put("comment", "");
watchMovieMapper.saveRating(parameter);
/*
ModelAndView modelAndView=new ModelAndView();
try{
watchMovieMapper.saveRating(parameter);
modelAndView.addObject("insertException","感谢您的评分:"+rating+"分!");
}catch(Exception e){
modelAndView.addObject("insertException","保存数据异常!");
}finally{
modelAndView.setViewName("/WEB-INF/jsp/movieDetail.jsp");
return modelAndView;
}*/
Message message = new Message();
message.setRegister_prompt_info("1111111111");
return message;
}
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