基于多模融合策略的电影推荐系统：spark推荐算法+springboot后端+小程序前端.zip

package com.example.business.controller; import com.alibaba.fastjson.JSONObject; import com.example.business.pojo.*; import com.example.business.service.MovieService; import com.example.business.service.RecommendService; import com.example.business.utils.Constant; import com.example.business.utils.RetResult; import com.github.pagehelper.PageInfo; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.validation.annotation.Validated; import org.springframework.web.bind.annotation.GetMapping; import org.springframework.web.bind.annotation.PathVariable; import org.springframework.web.bind.annotation.RequestParam; import org.springframework.web.bind.annotation.RestController; import javax.validation.constraints.Max; import javax.validation.constraints.Min; import javax.validation.constraints.Size; import java.util.HashMap; import java.util.List; import java.util.Map; //用于处理电影相关的功能 @RestController @Validated public class MovieRestApi { @Autowired private MovieService movieService; @Autowired private RecommendService recommendService; private Logger logger = LoggerFactory.getLogger(MovieRestApi.class); //电影的详细页面 @GetMapping("/movie/{id}") public Object getMovieInfo(@PathVariable Integer id) { logger.info("正在查询电影详细信息:{}",id); return RetResult.<Movie>builder() .status(true) .data(movieService.getMovieInfo(id)) .build(); } //电影的详细页面 @GetMapping("/movie_extra/{id}") public Object getMovieExtraInfo(@PathVariable Integer id) { JSONObject jsonObject = new JSONObject(); /* //获取电影comment_parse jsonObject.put("comment_parse", movieService.getCommentParse(id));*/ //获取电影演员 jsonObject.put("actors", movieService.getActors(id)); //获取电影tag jsonObject.put("tags", movieService.getTages(id)); //获取电影分类 jsonObject.put("genres", movieService.getGenres(id)); //相似电影，actor和tag和genre计算余弦相似度 jsonObject.put("content_sim",recommendService.getContentSimMovie(id,Constant.DEFAULT_SIZE)); //看了此电影的人还看了，基于als的物品相似度计算 jsonObject.put("also_saw",recommendService.getAlsoSawMovies(id, Constant.DEFAULT_SIZE)); return RetResult.<JSONObject>builder() .status(true) .data(jsonObject) .build(); } @GetMapping("/category") public Object category(@Min(value = 0, message = "start太小了吧") @Max(value = 7000, message = "start太大了吧") @RequestParam(value = "start", required = false, defaultValue = "1") Integer start, @Min(value = 1, message = "num太小了吧") @Max(value = 100, message = "num太大了吧") @RequestParam(value = "pagenum", required = false, defaultValue = "6") Integer pagenum, @Min(value = 0, message = "sort奇怪的参数") @Max(value = 2, message = "sort奇怪的参数") @RequestParam(value = "sort", required = false, defaultValue = "0") Integer sort, @Min(value = 1800, message = "year太小了吧") @Max(value = 2022, message = "year太大了吧") @RequestParam(value = "beginyear", required = false) Integer beginyear, @Min(value = 1800, message = "year太小了吧") @Max(value = 2022, message = "year太大了吧") @RequestParam(value = "endyear", required = false, defaultValue = "2021") Integer endyear, @Size(min = 1, max = 10, message = "genre长度得按要求走") @RequestParam(value = "genres", required = false) String genres, @Size(min = 1, max = 10, message = "place长度得按要求走") @RequestParam(value = "place", required = false) String place, @Size(min = 1, max = 10, message = "tag长度得按要求走") @RequestParam(value = "tag", required = false) String tag) { Map<String, Object> myMap = new HashMap<>(); myMap.put("start", start); myMap.put("pagenum", pagenum); switch (sort) { case 2: myMap.put("sort", "m.score desc"); break; case 1: myMap.put("sort", "m.year desc"); break; default: myMap.put("sort", "m.votes desc"); } myMap.put("endyear", endyear); if (genres != null) myMap.put("genres", genres); if (beginyear != null) myMap.put("beginyear", beginyear); if (place != null) myMap.put("place", place); if (tag != null) myMap.put("tag", tag); return RetResult.<PageInfo<BriefMovie>>builder() .data(movieService.category(myMap)) .status(true) .build(); } //电影评论分页 @GetMapping("/comment") public Object getMovieInfo(@RequestParam(value = "mid", required = true) Integer mid, @Min(value = 0, message = "start太小了吧") @Max(value = 50, message = "start太大了吧") @RequestParam(value = "start", required = false, defaultValue = "1") Integer start, @Min(value = 1, message = "num太小了吧") @Max(value = 20, message = "size太大了吧") @RequestParam(value = "size", required = false, defaultValue = "6") Integer size) { return RetResult.<PageInfo<Comment>>builder() .status(true) .data(movieService.getComment(mid,start,size)) .build(); } //模糊搜索功能 @GetMapping("/search") public Object searchMovie(@RequestParam(value = "type", required = false, defaultValue = "0") Integer type, @RequestParam(value = "text") String text) throws Exception { return RetResult.<List<BriefMovieWithActor>>builder() .status(true) .data(recommendService.getFuzzyMovies(text,type)) .build(); } //actor信息 @GetMapping("/actor/{aid}") public Object actorInfo(@PathVariable Integer aid) { return RetResult.<BriefActor>builder() .status(true) .data(movieService.getActor(aid)) .build(); } //actor出演电影分页 @GetMapping("/actor_movie") public Object getActorMovie(@RequestParam(value = "aid") Integer aid, @Min(value = 0, message = "start太小了吧") @Max(value = 50, message = "start太大了吧") @RequestParam(value = "start", required = false, defaultValue = "1") Integer start, @Min(value = 1, message = "num太小了吧") @Max(value = 20, message = "size太大了吧") @RequestParam(value = "size", required = false, defaultValue = "6") Integer size) { return RetResult.<PageInfo<BriefMovieWithActor>>builder() .status(true) .data(movieService.getActorMovies(aid,start,size)) .build(); } @GetMapping("/actor/hot") public Object hotActor() { return RetResult.<List<Actor>>builder() .status(true) .data(movieService.getHotActor()) .build(); } }