fix:新增数据

src/main/java/cn/itcast/article/dao/CommentRepository.java

@@ -4,10 +4,50 @@ import cn.itcast.article.po.Comment;
 import org.springframework.data.domain.Page;
 import org.springframework.data.domain.Pageable;
 import org.springframework.data.mongodb.repository.MongoRepository;
+import org.springframework.data.mongodb.repository.Query;
 
-public interface CommentRepository extends MongoRepository<Comment,String > {
+import java.util.List;
 
+public interface CommentRepository extends MongoRepository<Comment, String> {
+    /**
+     * findByUserid的Userid一定要和参数一致
+     *
+     * @param userid
+     * @param pageable
+     * @return
+     */
+    Page<Comment> findByUserid(String userid, Pageable pageable);
 
-    Page<Comment> findByParentid(String parentid,Pageable pageable);
+    /**
+     * 多字段查询
+     *
+     * @param userid
+     * @param likenum
+     * @param pageable
+     * @return
+     */
+    Page<Comment> findByUseridAndLikenum(String userid, Integer likenum, Pageable pageable);
 
+    /**
+     * 查询userid固定值,并且likenum大于等于的文档
+     *
+     * @param userid
+     * @param likenum
+     * @param pageable
+     * @return
+     */
+    Page<Comment> findByUseridContainingAndLikenumGreaterThanEqual(String userid, Integer likenum, Pageable pageable);
+
+
+    /**
+     * 正则查询
+     * 使用了@Query注解来指定查询语句。在查询语句中，
+     * 使用了$regex操作符表示name匹配正则表达式，使用了$options选项表示不区分大小写，使用了$gte操作符表示age大于等于指定值。
+     *
+     * @param userid
+     * @param likenum
+     * @return
+     */
+    @Query("{ 'userid' : { $regex: ?0, $options: 'i' }, 'likenum' : { $gte: ?1 } }")
+    List<Comment> findByUseridAndLikenum(String userid, Integer likenum);
 }
\ No newline at end of file

src/main/java/cn/itcast/article/service/CommentService.java

@@ -15,7 +15,6 @@ import java.util.List;
 
 @Service
 public class CommentService {
-
     @Autowired
     private MongoTemplate mongoTemplate;
     @Autowired
@@ -74,8 +73,8 @@ public class CommentService {
         return commentRepository.findById(id).get();
     }
 
-    public Page<Comment> findCommentListByParentid(String parentid, int page, int size) {
-        return commentRepository.findByParentid(parentid, PageRequest.of(page - 1, size));
+    public Page<Comment> findByUserid(String userid, int page, int size) {
+        return commentRepository.findByUserid(userid, PageRequest.of(page - 1, size));
     }
 
     public void updateCommentLikenum(String id) {
@@ -86,4 +85,16 @@ public class CommentService {
         update.inc("likenum");
         mongoTemplate.updateFirst(query, update, Comment.class);
     }
+
+    public Page<Comment> findByUseridAndLikenum(String userid, int likenum, int page, int size) {
+        return commentRepository.findByUseridAndLikenum(userid, likenum, PageRequest.of(page - 1, size));
+    }
+
+    public Page<Comment> findByUseridContainingAndLikenumGreaterThanEqual(String userid, int likenum, int page, int size) {
+        return commentRepository.findByUseridContainingAndLikenumGreaterThanEqual(userid, likenum, PageRequest.of(page - 1, size));
+    }
+
+    public List<Comment> findByUseridAndLikenum(String userid, int likenum) {
+        return commentRepository.findByUseridAndLikenum(userid, likenum);
+    }
 }
\ No newline at end of file

src/test/java/cn/itcast/article/service/CommentServiceTest.java

@@ -29,12 +29,18 @@ public class CommentServiceTest {
         log.info(JSON.toJSONString(commentList));
     }
 
+    /**
+     * 根据id查询
+     */
     @Test
     public void testFindCommentById() {
         Comment commentById = commentService.findCommentById("1");
-        System.out.println(commentById);
+        log.info(JSON.toJSONString(commentById));
     }
 
+    /**
+     * 新增评论
+     */
     @Test
     public void testSaveComment() {
         Comment comment = new Comment();
@@ -49,13 +55,49 @@ public class CommentServiceTest {
         commentService.saveComment(comment);
     }
 
+    /**
+     * 根据parentid分页查询
+     */
+    @Test
+    public void testFindCommentListByUserid() {
+        Page<Comment> page = commentService.findByUserid("1003", 1, 10);
+        log.info(JSON.toJSONString(page.getTotalElements()));
+        log.info(JSON.toJSONString(page.getContent()));
+    }
+
+    /**
+     * 多字段查询
+     */
     @Test
-    public void testFindCommentListByParentid() {
-        Page<Comment> page = commentService.findCommentListByParentid("3", 1, 2);
-        System.out.println(page.getTotalElements());
-        System.out.println(page.getContent());
+    public void testFindCommentListByUseridAndLikenum() {
+        Page<Comment> page = commentService.findByUseridAndLikenum("1003", 3000, 1, 2);
+        log.info(JSON.toJSONString(page.getTotalElements()));
+        log.info(JSON.toJSONString(page.getContent()));
     }
 
+    /**
+     * 分页多字段查询,并且
+     * 查询userid固定值,并且likenum大于等于的文档
+     */
+    @Test
+    public void testFindByUseridContainingAndLikenumGreaterThanEqual() {
+        Page<Comment> page = commentService.findByUseridContainingAndLikenumGreaterThanEqual("1003", 100, 1, 2);
+        log.info(JSON.toJSONString(page.getTotalElements()));
+        log.info(JSON.toJSONString(page.getContent()));
+    }
+
+    /**
+     * 正则查询
+     */
+    @Test
+    public void testFindByUseridAndLikenum() {
+        List<Comment> list = commentService.findByUseridAndLikenum("1003", 100);
+        log.info(JSON.toJSONString(list));
+    }
+
+    /**
+     * 修改点赞数加1
+     */
     @Test
     public void testUpdateCommentLikenum() {
         commentService.updateCommentLikenum("1");