首页微服务开发完成，小说微服务开发中

novel-book/book-api/src/main/java/com/java2nb/novel/book/api/BookApi.java

@@ -33,5 +33,14 @@ public interface BookApi {
     @GetMapping("api/book/queryBookByIds")
     List<Book> queryBookByIds(@RequestBody List<Long> ids);
 
+    /**
+     * 小说排行数据查询列表
+     * @param type 排行类型，1：更新排行，2：新书排行，3评论排行
+     * @param limit 查询数量
+     * @return 书籍列表
+     * */
+    @GetMapping("api/book/listRank")
+    List<Book> listRank(@RequestParam("type") Byte type, @RequestParam("limit") Integer limit);
+
 
 }

novel-book/book-api/src/main/java/com/java2nb/novel/book/entity/Book.java

@@ -3,9 +3,10 @@ package com.java2nb.novel.book.entity;
 import io.swagger.annotations.ApiModelProperty;
 
 import javax.annotation.Generated;
+import java.io.Serializable;
 import java.util.Date;
 
-public class Book {
+public class Book implements Serializable {
     @ApiModelProperty(value = "主键")
     @Generated("org.mybatis.generator.api.MyBatisGenerator")
     private Long id;

novel-book/book-api/src/main/java/com/java2nb/novel/book/vo/BookVO.java

@@ -0,0 +1,22 @@
+package com.java2nb.novel.book.vo;
+
+import com.fasterxml.jackson.annotation.JsonFormat;
+import com.java2nb.novel.book.entity.Book;
+import io.swagger.annotations.ApiModelProperty;
+import lombok.Data;
+
+import java.io.Serializable;
+import java.util.Date;
+
+/**
+ * @author Administrator
+ */
+@Data
+public class BookVO extends Book{
+
+    @ApiModelProperty(value = "最新目录更新时间")
+    @JsonFormat(timezone = "GMT+8", pattern = "MM/dd HH:mm")
+    private Date lastIndexUpdateTime;
+
+
+}

novel-book/book-service/src/main/java/com/java2nb/novel/book/controller/api/BookApi.java

@@ -48,5 +48,16 @@ public class BookApi {
         return bookService.queryBookByIds(ids);
     }
 
+    /**
+     * 小说排行数据查询列表
+     * @param type 排行类型，1：更新排行，2：新书排行，3评论排行
+     * @param limit 查询数量
+     * @return 书籍列表
+     * */
+    @GetMapping("listRank")
+    List<Book> listRank(Byte type, Integer limit){
+        return bookService.listRank(type,limit);
+    }
+
 
 }

novel-book/book-service/src/main/java/com/java2nb/novel/book/service/BookService.java

@@ -1,7 +1,6 @@
 package com.java2nb.novel.book.service;
 
 import com.java2nb.novel.book.entity.Book;
-import org.springframework.web.bind.annotation.GetMapping;
 
 import java.util.Date;
 import java.util.List;
@@ -28,4 +27,12 @@ public interface BookService {
      * @return 书籍列表
      * */
     List<Book> queryBookByIds(List<Long> ids);
+
+    /**
+     * 小说排行数据查询列表
+     * @param type 排行类型，1：更新排行，2：新书排行，3评论排行
+     * @param limit 查询数量
+     * @return 书籍列表
+     * */
+    List<Book> listRank(Byte type, Integer limit);
 }

novel-book/book-service/src/main/java/com/java2nb/novel/book/service/impl/BookServiceImpl.java

@@ -5,7 +5,9 @@ import com.java2nb.novel.book.mapper.BookDynamicSqlSupport;
 import com.java2nb.novel.book.mapper.BookMapper;
 import com.java2nb.novel.book.service.BookService;
 import lombok.RequiredArgsConstructor;
+import org.mybatis.dynamic.sql.SortSpecification;
 import org.mybatis.dynamic.sql.render.RenderingStrategies;
+import org.mybatis.dynamic.sql.select.render.SelectStatementProvider;
 import org.springframework.stereotype.Service;
 
 import java.util.Date;
@@ -49,4 +51,43 @@ public class BookServiceImpl implements BookService {
                         .render(RenderingStrategies.MYBATIS3)
         );
     }
+
+    @Override
+    public List<Book> listRank(Byte type, Integer limit) {
+        SortSpecification sortSpecification = BookDynamicSqlSupport.visitCount.descending();
+        switch (type) {
+            case 1: {
+                //最新入库排序
+                sortSpecification = BookDynamicSqlSupport.createTime.descending();
+                break;
+            }
+            case 2: {
+                //最新更新时间排序
+                sortSpecification = BookDynamicSqlSupport.lastIndexUpdateTime.descending();
+                break;
+            }
+            case 3: {
+                //评论数量排序
+                sortSpecification = BookDynamicSqlSupport.commentCount.descending();
+                break;
+            }
+            default: {
+                break;
+            }
+        }
+        SelectStatementProvider selectStatement =
+                select(BookDynamicSqlSupport.id, BookDynamicSqlSupport.catId,
+                        BookDynamicSqlSupport.catName, BookDynamicSqlSupport.bookName,
+                        BookDynamicSqlSupport.lastIndexId, BookDynamicSqlSupport.lastIndexName,
+                        BookDynamicSqlSupport.authorId, BookDynamicSqlSupport.authorName,
+                        BookDynamicSqlSupport.picUrl, BookDynamicSqlSupport.bookDesc,
+                        BookDynamicSqlSupport.wordCount, BookDynamicSqlSupport.lastIndexUpdateTime)
+                .from(book)
+                .where(BookDynamicSqlSupport.wordCount, isGreaterThan(0))
+                .orderBy(sortSpecification)
+                .limit(limit)
+                .build()
+                .render(RenderingStrategies.MYBATIS3);
+        return bookMapper.selectMany(selectStatement);
+    }
 }