From 621e5e577e76c67bc01b5f55263c6c7f1219dc24 Mon Sep 17 00:00:00 2001 From: gushen610140 Date: Fri, 19 Dec 2025 01:48:56 +0800 Subject: [PATCH] feat: add api recommond game list --- pom.xml | 48 +++--- .../Config/OpenApiConfig.java | 22 +++ .../GameController/GameController.java | 39 +++++ .../Controllers/GameController/VO/GameVO.java | 34 ++++ .../sunway/ai_spring_example/Entity/Game.java | 64 ++++++++ .../ai_spring_example/Entity/GameGenre.java | 18 +++ .../ai_spring_example/Entity/Genre.java | 21 +++ .../ai_spring_example/Entity/Media.java | 25 +++ .../ai_spring_example/Entity/Screenshot.java | 14 ++ .../Mapper/GameGenreMapper.java | 9 ++ .../ai_spring_example/Mapper/GameMapper.java | 10 ++ .../ai_spring_example/Mapper/GenreMapper.java | 9 ++ .../ai_spring_example/Mapper/MediaMapper.java | 9 ++ .../Service/IGameService.java | 13 ++ .../Service/Implements/GameServiceImpl.java | 153 ++++++++++++++++++ .../ai_spring_example/Utils/PageUtils.java | 111 +++++++++++++ 16 files changed, 575 insertions(+), 24 deletions(-) create mode 100644 src/main/java/icu/sunway/ai_spring_example/Config/OpenApiConfig.java create mode 100644 src/main/java/icu/sunway/ai_spring_example/Controllers/GameController/GameController.java create mode 100644 src/main/java/icu/sunway/ai_spring_example/Controllers/GameController/VO/GameVO.java create mode 100644 src/main/java/icu/sunway/ai_spring_example/Entity/Game.java create mode 100644 src/main/java/icu/sunway/ai_spring_example/Entity/GameGenre.java create mode 100644 src/main/java/icu/sunway/ai_spring_example/Entity/Genre.java create mode 100644 src/main/java/icu/sunway/ai_spring_example/Entity/Media.java create mode 100644 src/main/java/icu/sunway/ai_spring_example/Entity/Screenshot.java create mode 100644 src/main/java/icu/sunway/ai_spring_example/Mapper/GameGenreMapper.java create mode 100644 src/main/java/icu/sunway/ai_spring_example/Mapper/GameMapper.java create mode 100644 src/main/java/icu/sunway/ai_spring_example/Mapper/GenreMapper.java create mode 100644 src/main/java/icu/sunway/ai_spring_example/Mapper/MediaMapper.java create mode 100644 src/main/java/icu/sunway/ai_spring_example/Service/IGameService.java create mode 100644 src/main/java/icu/sunway/ai_spring_example/Service/Implements/GameServiceImpl.java create mode 100644 src/main/java/icu/sunway/ai_spring_example/Utils/PageUtils.java diff --git a/pom.xml b/pom.xml index a6fb3a7..be6c37d 100644 --- a/pom.xml +++ b/pom.xml @@ -33,7 +33,7 @@ 1.18.30 3.5.5 4.3.1 - 8.0.33 + 8.0.33 @@ -43,14 +43,14 @@ - + org.springframework.boot spring-boot-starter-jdbc - + com.mysql mysql-connector-j - ${mysql.version} + ${mysql.version} com.baomidou @@ -70,26 +70,26 @@ true - - io.jsonwebtoken - jjwt-api - 0.11.5 - - - io.jsonwebtoken - jjwt-impl - 0.11.5 - - - io.jsonwebtoken - jjwt-jackson - 0.11.5 - - - - org.springframework.boot - spring-boot-starter-validation - + + io.jsonwebtoken + jjwt-api + 0.11.5 + + + io.jsonwebtoken + jjwt-impl + 0.11.5 + + + io.jsonwebtoken + jjwt-jackson + 0.11.5 + + + + org.springframework.boot + spring-boot-starter-validation + org.springdoc diff --git a/src/main/java/icu/sunway/ai_spring_example/Config/OpenApiConfig.java b/src/main/java/icu/sunway/ai_spring_example/Config/OpenApiConfig.java new file mode 100644 index 0000000..5420e1d --- /dev/null +++ b/src/main/java/icu/sunway/ai_spring_example/Config/OpenApiConfig.java @@ -0,0 +1,22 @@ +package icu.sunway.ai_spring_example.Config; + +import io.swagger.v3.oas.models.OpenAPI; +import io.swagger.v3.oas.models.info.Info; +import org.springframework.context.annotation.Bean; +import org.springframework.context.annotation.Configuration; + +/** + * OpenAPI配置类 + */ +@Configuration +public class OpenApiConfig { + + @Bean + public OpenAPI customOpenAPI() { + return new OpenAPI() + .info(new Info() + .title("Steam-like Game Platform API") + .version("1.0.0") + .description("类似Steam的游戏平台API文档，提供游戏推荐等功能")); + } +} \ No newline at end of file diff --git a/src/main/java/icu/sunway/ai_spring_example/Controllers/GameController/GameController.java b/src/main/java/icu/sunway/ai_spring_example/Controllers/GameController/GameController.java new file mode 100644 index 0000000..b861089 --- /dev/null +++ b/src/main/java/icu/sunway/ai_spring_example/Controllers/GameController/GameController.java @@ -0,0 +1,39 @@ +package icu.sunway.ai_spring_example.Controllers.GameController; + +import icu.sunway.ai_spring_example.Controllers.GameController.VO.GameVO; +import icu.sunway.ai_spring_example.Service.IGameService; +import icu.sunway.ai_spring_example.Utils.PageUtils; +import icu.sunway.ai_spring_example.Utils.ResponseUtils; +import icu.sunway.ai_spring_example.Utils.ResponseUtils.Response; +import jakarta.annotation.Resource; +import org.springframework.web.bind.annotation.GetMapping; +import org.springframework.web.bind.annotation.RequestMapping; +import org.springframework.web.bind.annotation.RequestParam; +import org.springframework.web.bind.annotation.RestController; + +@RestController +@RequestMapping("/api/games") +public class GameController { + + @Resource + private IGameService gameService; + + /** + * 获取游戏推荐列表 + * + * @param page 当前页码 + * @param limit 每页游戏数量 + * @return 游戏推荐列表 + */ + @GetMapping("/recommendations") + public Response> getRecommendedGames( + @RequestParam(required = false) Integer page, + @RequestParam(required = false) Integer limit) { + try { + PageUtils.PaginationResult result = gameService.getRecommendedGames(page, limit); + return ResponseUtils.success("获取游戏推荐列表成功", result); + } catch (Exception e) { + return ResponseUtils.fail(ResponseUtils.INTERNAL_SERVER_ERROR, "获取游戏推荐列表失败: " + e.getMessage()); + } + } +} diff --git a/src/main/java/icu/sunway/ai_spring_example/Controllers/GameController/VO/GameVO.java b/src/main/java/icu/sunway/ai_spring_example/Controllers/GameController/VO/GameVO.java new file mode 100644 index 0000000..e59fdc6 --- /dev/null +++ b/src/main/java/icu/sunway/ai_spring_example/Controllers/GameController/VO/GameVO.java @@ -0,0 +1,34 @@ +package icu.sunway.ai_spring_example.Controllers.GameController.VO; + +import lombok.Builder; +import lombok.Data; + +import java.math.BigDecimal; +import java.time.LocalDateTime; +import java.util.List; + +/** + * 游戏推荐列表VO，只返回指定的信息 + */ +@Data +@Builder +public class GameVO { + private String name; + private String mainImage; + private String supportedPlatforms; + private List genres; + private BigDecimal price; + private Integer discountPercentage; + private LocalDateTime releaseDate; + private List screenshots; + + /** + * 游戏截图VO + */ + @Data + @Builder + public static class ScreenshotVO { + private String mediaUrl; + private String thumbnailUrl; + } +} diff --git a/src/main/java/icu/sunway/ai_spring_example/Entity/Game.java b/src/main/java/icu/sunway/ai_spring_example/Entity/Game.java new file mode 100644 index 0000000..d2e8daa --- /dev/null +++ b/src/main/java/icu/sunway/ai_spring_example/Entity/Game.java @@ -0,0 +1,64 @@ +package icu.sunway.ai_spring_example.Entity; + +import java.math.BigDecimal; +import java.time.LocalDateTime; +import java.util.List; + +import com.baomidou.mybatisplus.annotation.TableField; +import com.baomidou.mybatisplus.annotation.TableName; + +import lombok.AllArgsConstructor; +import lombok.Data; +import lombok.NoArgsConstructor; + +@Data +@AllArgsConstructor +@NoArgsConstructor +@TableName("games") +public class Game { + private Integer id; + private Integer steamAppid; + private String name; + private String slug; + private String shortDescription; + private String detailedDescription; + private String aboutTheGame; + private LocalDateTime releaseDate; + private Boolean comingSoon; + private BigDecimal price; + private Integer discountPercentage; + private BigDecimal finalPrice; + private String currency; + private String paymentType; + private Integer metacriticScore; + private BigDecimal userRating; + private Integer ratingCount; + private Integer reviewScore; + private Integer positiveReviews; + private Integer negativeReviews; + private String supportedPlatforms; + private String gameEngine; + private String developerIds; + private String publisherIds; + private String genreIds; + private String tagIds; + private String headerImage; + private String capsuleImage; + private String website; + private Integer achievementsCount; + private Boolean controllerSupport; + private Boolean multiplayer; + private Boolean coOp; + private Boolean lobbies; + private String status; + private LocalDateTime createdAt; + private LocalDateTime updatedAt; + + // 非数据库字段，用于返回API结果 + @TableField(exist = false) + private String mainImage; + @TableField(exist = false) + private List genres; + @TableField(exist = false) + private List screenshots; +} diff --git a/src/main/java/icu/sunway/ai_spring_example/Entity/GameGenre.java b/src/main/java/icu/sunway/ai_spring_example/Entity/GameGenre.java new file mode 100644 index 0000000..92d0c79 --- /dev/null +++ b/src/main/java/icu/sunway/ai_spring_example/Entity/GameGenre.java @@ -0,0 +1,18 @@ +package icu.sunway.ai_spring_example.Entity; + +import com.baomidou.mybatisplus.annotation.TableName; +import lombok.AllArgsConstructor; +import lombok.Data; +import lombok.NoArgsConstructor; + +import java.time.LocalDateTime; + +@Data +@AllArgsConstructor +@NoArgsConstructor +@TableName("game_genres") +public class GameGenre { + private Integer gameId; + private Integer genreId; + private LocalDateTime createdAt; +} diff --git a/src/main/java/icu/sunway/ai_spring_example/Entity/Genre.java b/src/main/java/icu/sunway/ai_spring_example/Entity/Genre.java new file mode 100644 index 0000000..090d92d --- /dev/null +++ b/src/main/java/icu/sunway/ai_spring_example/Entity/Genre.java @@ -0,0 +1,21 @@ +package icu.sunway.ai_spring_example.Entity; + +import com.baomidou.mybatisplus.annotation.TableName; +import lombok.AllArgsConstructor; +import lombok.Data; +import lombok.NoArgsConstructor; + +import java.time.LocalDateTime; + +@Data +@AllArgsConstructor +@NoArgsConstructor +@TableName("genres") +public class Genre { + private Integer id; + private String name; + private String slug; + private String description; + private LocalDateTime createdAt; + private LocalDateTime updatedAt; +} diff --git a/src/main/java/icu/sunway/ai_spring_example/Entity/Media.java b/src/main/java/icu/sunway/ai_spring_example/Entity/Media.java new file mode 100644 index 0000000..eb52699 --- /dev/null +++ b/src/main/java/icu/sunway/ai_spring_example/Entity/Media.java @@ -0,0 +1,25 @@ +package icu.sunway.ai_spring_example.Entity; + +import com.baomidou.mybatisplus.annotation.TableName; +import lombok.AllArgsConstructor; +import lombok.Data; +import lombok.NoArgsConstructor; + +import java.time.LocalDateTime; + +@Data +@AllArgsConstructor +@NoArgsConstructor +@TableName("media") +public class Media { + private Integer id; + private Integer gameId; + private String mediaType; + private String mediaUrl; + private String thumbnailUrl; + private String description; + private Integer orderIndex; + private Boolean isPrimary; + private LocalDateTime createdAt; + private LocalDateTime updatedAt; +} diff --git a/src/main/java/icu/sunway/ai_spring_example/Entity/Screenshot.java b/src/main/java/icu/sunway/ai_spring_example/Entity/Screenshot.java new file mode 100644 index 0000000..406dc8e --- /dev/null +++ b/src/main/java/icu/sunway/ai_spring_example/Entity/Screenshot.java @@ -0,0 +1,14 @@ +package icu.sunway.ai_spring_example.Entity; + +import lombok.AllArgsConstructor; +import lombok.Data; +import lombok.NoArgsConstructor; + +@Data +@AllArgsConstructor +@NoArgsConstructor +public class Screenshot { + private Integer id; + private String mediaUrl; + private String thumbnailUrl; +} diff --git a/src/main/java/icu/sunway/ai_spring_example/Mapper/GameGenreMapper.java b/src/main/java/icu/sunway/ai_spring_example/Mapper/GameGenreMapper.java new file mode 100644 index 0000000..8aeb5f9 --- /dev/null +++ b/src/main/java/icu/sunway/ai_spring_example/Mapper/GameGenreMapper.java @@ -0,0 +1,9 @@ +package icu.sunway.ai_spring_example.Mapper; + +import org.apache.ibatis.annotations.Mapper; +import com.baomidou.mybatisplus.core.mapper.BaseMapper; +import icu.sunway.ai_spring_example.Entity.GameGenre; + +@Mapper +public interface GameGenreMapper extends BaseMapper { +} diff --git a/src/main/java/icu/sunway/ai_spring_example/Mapper/GameMapper.java b/src/main/java/icu/sunway/ai_spring_example/Mapper/GameMapper.java new file mode 100644 index 0000000..a0002e3 --- /dev/null +++ b/src/main/java/icu/sunway/ai_spring_example/Mapper/GameMapper.java @@ -0,0 +1,10 @@ +package icu.sunway.ai_spring_example.Mapper; + +import org.apache.ibatis.annotations.Mapper; +import com.baomidou.mybatisplus.core.mapper.BaseMapper; + +import icu.sunway.ai_spring_example.Entity.Game; + +@Mapper +public interface GameMapper extends BaseMapper { +} diff --git a/src/main/java/icu/sunway/ai_spring_example/Mapper/GenreMapper.java b/src/main/java/icu/sunway/ai_spring_example/Mapper/GenreMapper.java new file mode 100644 index 0000000..944d38e --- /dev/null +++ b/src/main/java/icu/sunway/ai_spring_example/Mapper/GenreMapper.java @@ -0,0 +1,9 @@ +package icu.sunway.ai_spring_example.Mapper; + +import org.apache.ibatis.annotations.Mapper; +import com.baomidou.mybatisplus.core.mapper.BaseMapper; +import icu.sunway.ai_spring_example.Entity.Genre; + +@Mapper +public interface GenreMapper extends BaseMapper { +} diff --git a/src/main/java/icu/sunway/ai_spring_example/Mapper/MediaMapper.java b/src/main/java/icu/sunway/ai_spring_example/Mapper/MediaMapper.java new file mode 100644 index 0000000..4a2c905 --- /dev/null +++ b/src/main/java/icu/sunway/ai_spring_example/Mapper/MediaMapper.java @@ -0,0 +1,9 @@ +package icu.sunway.ai_spring_example.Mapper; + +import org.apache.ibatis.annotations.Mapper; +import com.baomidou.mybatisplus.core.mapper.BaseMapper; +import icu.sunway.ai_spring_example.Entity.Media; + +@Mapper +public interface MediaMapper extends BaseMapper { +} diff --git a/src/main/java/icu/sunway/ai_spring_example/Service/IGameService.java b/src/main/java/icu/sunway/ai_spring_example/Service/IGameService.java new file mode 100644 index 0000000..4fbcf57 --- /dev/null +++ b/src/main/java/icu/sunway/ai_spring_example/Service/IGameService.java @@ -0,0 +1,13 @@ +package icu.sunway.ai_spring_example.Service; + +import com.baomidou.mybatisplus.extension.service.IService; + +import icu.sunway.ai_spring_example.Controllers.GameController.VO.GameVO; +import icu.sunway.ai_spring_example.Entity.Game; +import icu.sunway.ai_spring_example.Utils.PageUtils; + +public interface IGameService extends IService { + + // 获取游戏推荐列表 + PageUtils.PaginationResult getRecommendedGames(Integer page, Integer limit); +} diff --git a/src/main/java/icu/sunway/ai_spring_example/Service/Implements/GameServiceImpl.java b/src/main/java/icu/sunway/ai_spring_example/Service/Implements/GameServiceImpl.java new file mode 100644 index 0000000..296c92a --- /dev/null +++ b/src/main/java/icu/sunway/ai_spring_example/Service/Implements/GameServiceImpl.java @@ -0,0 +1,153 @@ +package icu.sunway.ai_spring_example.Service.Implements; + +import java.util.ArrayList; +import java.util.HashMap; +import java.util.List; +import java.util.Map; +import java.util.stream.Collectors; +import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper; +import com.baomidou.mybatisplus.extension.plugins.pagination.Page; +import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl; + +import icu.sunway.ai_spring_example.Controllers.GameController.VO.GameVO; +import icu.sunway.ai_spring_example.Entity.Game; +import icu.sunway.ai_spring_example.Entity.GameGenre; +import icu.sunway.ai_spring_example.Entity.Genre; +import icu.sunway.ai_spring_example.Entity.Media; +import icu.sunway.ai_spring_example.Mapper.GameGenreMapper; +import icu.sunway.ai_spring_example.Mapper.GameMapper; +import icu.sunway.ai_spring_example.Mapper.GenreMapper; +import icu.sunway.ai_spring_example.Mapper.MediaMapper; +import icu.sunway.ai_spring_example.Service.IGameService; +import icu.sunway.ai_spring_example.Utils.PageUtils; +import jakarta.annotation.Resource; +import org.springframework.stereotype.Service; + +@Service +public class GameServiceImpl extends ServiceImpl + implements IGameService { + + @Resource + private GameMapper gameMapper; + + @Resource + private GameGenreMapper gameGenreMapper; + + @Resource + private GenreMapper genreMapper; + + @Resource + private MediaMapper mediaMapper; + + @Override + public PageUtils.PaginationResult getRecommendedGames(Integer page, Integer limit) { + // 使用分页工具类创建Page对象 + Page gamePage = PageUtils.createPage(page, limit); + QueryWrapper queryWrapper = new QueryWrapper<>(); + queryWrapper.orderByDesc("release_date"); + + // 获取游戏列表 + Page pageResult = this.page(gamePage, queryWrapper); + List games = pageResult.getRecords(); + + if (games.isEmpty()) { + // 组装空结果返回 + return PageUtils.createEmptyPaginationResult(page, limit); + } + + // 获取游戏ID列表 + List gameIds = games.stream() + .map(Game::getId) + .collect(Collectors.toList()); + + // 使用MyBatis Plus查询游戏类型 + // 1. 查询游戏与类型的关联关系 + QueryWrapper gameGenreWrapper = new QueryWrapper<>(); + gameGenreWrapper.in("game_id", gameIds); + List gameGenres = gameGenreMapper.selectList(gameGenreWrapper); + + // 2. 获取所有类型ID + List genreIds = gameGenres.stream() + .map(GameGenre::getGenreId) + .distinct() + .collect(Collectors.toList()); + + // 3. 查询类型信息 + Map genreMap = new HashMap<>(); + if (!genreIds.isEmpty()) { + QueryWrapper genreWrapper = new QueryWrapper<>(); + genreWrapper.in("id", genreIds); + List genres = genreMapper.selectList(genreWrapper); + genreMap = genres.stream() + .collect(Collectors.toMap(Genre::getId, Genre::getName)); + } + + // 4. 组装游戏类型映射 + Map> genresMap = new HashMap<>(); + for (GameGenre gameGenre : gameGenres) { + Integer gameId = gameGenre.getGameId(); + String genreName = genreMap.get(gameGenre.getGenreId()); + if (genreName != null) { + genresMap.computeIfAbsent(gameId, k -> new ArrayList<>()) + .add(genreName); + } + } + + // 使用MyBatis Plus查询游戏主图 + QueryWrapper mainImageWrapper = new QueryWrapper<>(); + mainImageWrapper.in("game_id", gameIds) + .eq("is_primary", true) + .select("game_id", "media_url"); + List mainImages = mediaMapper.selectList(mainImageWrapper); + Map mainImagesMap = mainImages.stream() + .collect(Collectors.toMap(Media::getGameId, Media::getMediaUrl)); + + // 使用MyBatis Plus查询游戏截图列表 + QueryWrapper screenshotWrapper = new QueryWrapper<>(); + screenshotWrapper.in("game_id", gameIds) + .in("media_type", "screenshot", "image") + .orderByAsc("order_index") + .select("id", "game_id", "media_url", "thumbnail_url"); + List screenshots = mediaMapper.selectList(screenshotWrapper); + + // 组装游戏截图映射 + Map> screenshotsMap = new HashMap<>(); + for (Media media : screenshots) { + Integer gameId = media.getGameId(); + GameVO.ScreenshotVO screenshot = GameVO.ScreenshotVO.builder() + .mediaUrl(media.getMediaUrl()) + .thumbnailUrl(media.getThumbnailUrl()) + .build(); + screenshotsMap.computeIfAbsent(gameId, k -> new ArrayList<>()) + .add(screenshot); + } + + // 将Game转换为GameVO + List gameVOs = games.stream() + .map(game -> { + Integer gameId = game.getId(); + return GameVO.builder() + .name(game.getName()) + .mainImage(mainImagesMap.getOrDefault(gameId, "")) + .supportedPlatforms(game.getSupportedPlatforms()) + .genres(genresMap.getOrDefault(gameId, new ArrayList())) + .price(game.getPrice()) + .discountPercentage(game.getDiscountPercentage()) + .releaseDate(game.getReleaseDate()) + .screenshots(screenshotsMap.getOrDefault(gameId, new ArrayList())) + .build(); + }) + .collect(Collectors.toList()); + + // 创建新的Page结果 + Page voPageResult = new Page<>(); + voPageResult.setRecords(gameVOs); + voPageResult.setTotal(pageResult.getTotal()); + voPageResult.setCurrent(pageResult.getCurrent()); + voPageResult.setSize(pageResult.getSize()); + voPageResult.setPages(pageResult.getPages()); + + // 组装分页结果并返回 + return PageUtils.createPaginationResult(voPageResult); + } +} diff --git a/src/main/java/icu/sunway/ai_spring_example/Utils/PageUtils.java b/src/main/java/icu/sunway/ai_spring_example/Utils/PageUtils.java new file mode 100644 index 0000000..b2acda4 --- /dev/null +++ b/src/main/java/icu/sunway/ai_spring_example/Utils/PageUtils.java @@ -0,0 +1,111 @@ +package icu.sunway.ai_spring_example.Utils; + +import com.baomidou.mybatisplus.core.metadata.IPage; +import com.baomidou.mybatisplus.extension.plugins.pagination.Page; +import lombok.AllArgsConstructor; +import lombok.Data; +import lombok.NoArgsConstructor; + +import java.util.List; + +/** + * 分页工具类 + */ +public class PageUtils { + + /** + * 默认页码 + */ + public static final Integer DEFAULT_PAGE = 1; + + /** + * 默认每页数量 + */ + public static final Integer DEFAULT_LIMIT = 10; + + /** + * 最大每页数量 + */ + public static final Integer MAX_LIMIT = 100; + + /** + * 分页结果类 + * + * @param 数据类型 + */ + @Data + @AllArgsConstructor + @NoArgsConstructor + public static class PaginationResult { + private Integer currentPage; + private Integer pageSize; + private Long totalItems; + private Integer totalPages; + private List list; + } + + /** + * 验证和调整分页参数 + * + * @param page 页码 + * @param limit 每页数量 + * @return 调整后的分页参数数组 [page, limit] + */ + public static Integer[] validatePageParams(Integer page, Integer limit) { + // 验证页码 + if (page == null || page < 1) { + page = DEFAULT_PAGE; + } + + // 验证每页数量 + if (limit == null || limit < 1 || limit > MAX_LIMIT) { + limit = DEFAULT_LIMIT; + } + + return new Integer[] { page, limit }; + } + + /** + * 创建Page对象 + * + * @param page 页码 + * @param limit 每页数量 + * @return Page对象 + */ + public static Page createPage(Integer page, Integer limit) { + Integer[] params = validatePageParams(page, limit); + return new Page<>(params[0], params[1]); + } + + /** + * 将MyBatis Plus的Page结果转换为分页结果 + * + * @param pageResult MyBatis Plus的Page结果 + * @return 分页结果 + */ + public static PaginationResult createPaginationResult(IPage pageResult) { + return new PaginationResult<>( + (int) pageResult.getCurrent(), + (int) pageResult.getSize(), + pageResult.getTotal(), + (int) pageResult.getPages(), + pageResult.getRecords()); + } + + /** + * 创建空的分页结果 + * + * @param page 页码 + * @param limit 每页数量 + * @return 空的分页结果 + */ + public static PaginationResult createEmptyPaginationResult(Integer page, Integer limit) { + Integer[] params = validatePageParams(page, limit); + return new PaginationResult<>( + params[0], + params[1], + 0L, + 0, + List.of()); + } +}