一、表结构设计
//社区评论表 CREATE TABLE `g_community_comment` ( `id` bigint(11) NOT NULL AUTO_INCREMENT COMMENT 'id', `statement` varchar(5000) DEFAULT NULL COMMENT '评论', `user_id` bigint(11) DEFAULT NULL COMMENT '用户ID', `nick_name` varchar(64) COLLATE utf8_bin DEFAULT NULL COMMENT '昵称', `avatar` varchar(255) COLLATE utf8_bin DEFAULT NULL COMMENT '头像地址', `message_id` bigint(11) DEFAULT NULL COMMENT '发帖ID(冗余),方便查询', `be_id` bigint(11) NOT NULL COMMENT '跟帖ID或者发帖中朋友圈类型ID', `circle_type` tinyint(2) DEFAULT '0' COMMENT '1:基本面,2:技术面,3:朋友圈', `super_id` bigint(11) NOT NULL DEFAULT '0' COMMENT '上级评论ID', `level` bigint(11) NOT NULL DEFAULT '0' COMMENT '第几级评论,0,1,2..', `all_super_id` varchar(255) CHARACTER SET utf8 COLLATE utf8_bin DEFAULT NULL COMMENT '所有上级ID', `is_read` tinyint(2) DEFAULT '0' COMMENT '是否已读(0 未读，1 已读)', `status` tinyint(2) DEFAULT '0' COMMENT '0正常,1删除', `create_time` datetime DEFAULT NULL COMMENT '创建时间', `update_time` datetime DEFAULT NULL COMMENT '修改时间', `create_date` timestamp NULL DEFAULT NULL COMMENT '创建时间,管理后台使用', `update_date` timestamp NULL DEFAULT NULL COMMENT '修改时间,管理后台使用', `create_by` varchar(64) CHARACTER SET utf8 COLLATE utf8_bin DEFAULT NULL COMMENT '创建者,管理后台使用', `update_by` varchar(64) CHARACTER SET utf8 COLLATE utf8_bin DEFAULT NULL COMMENT '修改者,管理后台使用', `remarks` varchar(64) CHARACTER SET utf8 COLLATE utf8_bin DEFAULT '' COMMENT '系统备注,管理后台使用 ', PRIMARY KEY (`id`) ) ENGINE=InnoDB AUTO_INCREMENT=0 DEFAULT CHARSET=utf8 COLLATE=utf8_bin COMMENT='社区评论表';
二、递归代码
CommunityCommentDto
package com.general.msg.vo.response; import java.util.Date; import java.util.List; public class CommunityCommentDto { /** * This field was generated by MyBatis Generator. * This field corresponds to the database column g_community_comment.id * * @mbggenerated Thu Oct 25 17:16:45 CST 2018 */ private Long id; /** * This field was generated by MyBatis Generator. * This field corresponds to the database column g_community_comment.statement * * @mbggenerated Thu Oct 25 17:16:45 CST 2018 */ private String statement; /** * This field was generated by MyBatis Generator. * This field corresponds to the database column g_community_comment.user_id * * @mbggenerated Thu Oct 25 17:16:45 CST 2018 */ private Long userId; /** * This field was generated by MyBatis Generator. * This field corresponds to the database column g_community_comment.nick_name * * @mbggenerated Thu Oct 25 17:16:45 CST 2018 */ private String nickName; /** * This field was generated by MyBatis Generator. * This field corresponds to the database column g_community_comment.avatar * * @mbggenerated Thu Oct 25 17:16:45 CST 2018 */ private String avatar; /** * This field was generated by MyBatis Generator. * This field corresponds to the database column g_community_comment.message_id * * @mbggenerated Thu Oct 25 17:16:45 CST 2018 */ private Long messageId; /** * This field was generated by MyBatis Generator. * This field corresponds to the database column g_community_comment.be_id * * @mbggenerated Thu Oct 25 17:16:45 CST 2018 */ private Long beId; /** * This field was generated by MyBatis Generator. * This field corresponds to the database column g_community_comment.circle_type * * @mbggenerated Thu Oct 25 17:16:45 CST 2018 */ private Byte circleType; /** * This field was generated by MyBatis Generator. * This field corresponds to the database column g_community_comment.super_id * * @mbggenerated Thu Oct 25 17:16:45 CST 2018 */ private Long superId; /** * This field was generated by MyBatis Generator. * This field corresponds to the database column g_community_comment.level * * @mbggenerated Thu Oct 25 17:16:45 CST 2018 */ private Long level; /** * This field was generated by MyBatis Generator. * This field corresponds to the database column g_community_comment.all_super_id * * @mbggenerated Thu Oct 25 17:16:45 CST 2018 */ private String allSuperId; /** * This field was generated by MyBatis Generator. * This field corresponds to the database column g_community_comment.is_read * * @mbggenerated Thu Oct 25 17:16:45 CST 2018 */ private Byte isRead; /** * This field was generated by MyBatis Generator. * This field corresponds to the database column g_community_comment.status * * @mbggenerated Thu Oct 25 17:16:45 CST 2018 */ private Byte status; /** * This field was generated by MyBatis Generator. * This field corresponds to the database column g_community_comment.create_time * * @mbggenerated Thu Oct 25 17:16:45 CST 2018 */ private Date createTime; /** * This field was generated by MyBatis Generator. * This field corresponds to the database column g_community_comment.update_time * * @mbggenerated Thu Oct 25 17:16:45 CST 2018 */ private Date updateTime; /** * This field was generated by MyBatis Generator. * This field corresponds to the database column g_community_comment.create_date * * @mbggenerated Thu Oct 25 17:16:45 CST 2018 */ private Date createDate; /** * This field was generated by MyBatis Generator. * This field corresponds to the database column g_community_comment.update_date * * @mbggenerated Thu Oct 25 17:16:45 CST 2018 */ private Date updateDate; /** * This field was generated by MyBatis Generator. * This field corresponds to the database column g_community_comment.create_by * * @mbggenerated Thu Oct 25 17:16:45 CST 2018 */ private String createBy; /** * This field was generated by MyBatis Generator. * This field corresponds to the database column g_community_comment.update_by * * @mbggenerated Thu Oct 25 17:16:45 CST 2018 */ private String updateBy; /** * This field was generated by MyBatis Generator. * This field corresponds to the database column g_community_comment.remarks * * @mbggenerated Thu Oct 25 17:16:45 CST 2018 */ private String remarks; private List<CommunityCommentDto> sonCommentList; /** * This method was generated by MyBatis Generator. * This method returns the value of the database column g_community_comment.id * * @return the value of g_community_comment.id * * @mbggenerated Thu Oct 25 17:16:45 CST 2018 */ public Long getId() { return id; } /** * This method was generated by MyBatis Generator. * This method sets the value of the database column g_community_comment.id * * @param id the value for g_community_comment.id * * @mbggenerated Thu Oct 25 17:16:45 CST 2018 */ public void setId(Long id) { this.id = id; } /** * This method was generated by MyBatis Generator. * This method returns the value of the database column g_community_comment.statement * * @return the value of g_community_comment.statement * * @mbggenerated Thu Oct 25 17:16:45 CST 2018 */ public String getStatement() { return statement; } /** * This method was generated by MyBatis Generator. * This method sets the value of the database column g_community_comment.statement * * @param statement the value for g_community_comment.statement * * @mbggenerated Thu Oct 25 17:16:45 CST 2018 */ public void setStatement(String statement) { this.statement = statement == null ? null : statement.trim(); } /** * This method was generated by MyBatis Generator. * This method returns the value of the database column g_community_comment.user_id * * @return the value of g_community_comment.user_id * * @mbggenerated Thu Oct 25 17:16:45 CST 2018 */ public Long getUserId() { return userId; } /** * This method was generated by MyBatis Generator. * This method sets the value of the database column g_community_comment.user_id * * @param userId the value for g_community_comment.user_id * * @mbggenerated Thu Oct 25 17:16:45 CST 2018 */ public void setUserId(Long userId) { this.userId = userId; } /** * This method was generated by MyBatis Generator. * This method returns the value of the database column g_community_comment.nick_name * * @return the value of g_community_comment.nick_name * * @mbggenerated Thu Oct 25 17:16:45 CST 2018 */ public String getNickName() { return nickName; } /** * This method was generated by MyBatis Generator. * This method sets the value of the database column g_community_comment.nick_name * * @param nickName the value for g_community_comment.nick_name * * @mbggenerated Thu Oct 25 17:16:45 CST 2018 */ public void setNickName(String nickName) { this.nickName = nickName == null ? null : nickName.trim(); } /** * This method was generated by MyBatis Generator. * This method returns the value of the database column g_community_comment.avatar * * @return the value of g_community_comment.avatar * * @mbggenerated Thu Oct 25 17:16:45 CST 2018 */ public String getAvatar() { return avatar; } /** * This method was generated by MyBatis Generator. * This method sets the value of the database column g_community_comment.avatar * * @param avatar the value for g_community_comment.avatar * * @mbggenerated Thu Oct 25 17:16:45 CST 2018 */ public void setAvatar(String avatar) { this.avatar = avatar == null ? null : avatar.trim(); } /** * This method was generated by MyBatis Generator. * This method returns the value of the database column g_community_comment.message_id * * @return the value of g_community_comment.message_id * * @mbggenerated Thu Oct 25 17:16:45 CST 2018 */ public Long getMessageId() { return messageId; } /** * This method was generated by MyBatis Generator. * This method sets the value of the database column g_community_comment.message_id * * @param messageId the value for g_community_comment.message_id * * @mbggenerated Thu Oct 25 17:16:45 CST 2018 */ public void setMessageId(Long messageId) { this.messageId = messageId; } /** * This method was generated by MyBatis Generator. * This method returns the value of the database column g_community_comment.be_id * * @return the value of g_community_comment.be_id * * @mbggenerated Thu Oct 25 17:16:45 CST 2018 */ public Long getBeId() { return beId; } /** * This method was generated by MyBatis Generator. * This method sets the value of the database column g_community_comment.be_id * * @param beId the value for g_community_comment.be_id * * @mbggenerated Thu Oct 25 17:16:45 CST 2018 */ public void setBeId(Long beId) { this.beId = beId; } /** * This method was generated by MyBatis Generator. * This method returns the value of the database column g_community_comment.circle_type * * @return the value of g_community_comment.circle_type * * @mbggenerated Thu Oct 25 17:16:45 CST 2018 */ public Byte getCircleType() { return circleType; } /** * This method was generated by MyBatis Generator. * This method sets the value of the database column g_community_comment.circle_type * * @param circleType the value for g_community_comment.circle_type * * @mbggenerated Thu Oct 25 17:16:45 CST 2018 */ public void setCircleType(Byte circleType) { this.circleType = circleType; } /** * This method was generated by MyBatis Generator. * This method returns the value of the database column g_community_comment.super_id * * @return the value of g_community_comment.super_id * * @mbggenerated Thu Oct 25 17:16:45 CST 2018 */ public Long getSuperId() { return superId; } /** * This method was generated by MyBatis Generator. * This method sets the value of the database column g_community_comment.super_id * * @param superId the value for g_community_comment.super_id * * @mbggenerated Thu Oct 25 17:16:45 CST 2018 */ public void setSuperId(Long superId) { this.superId = superId; } /** * This method was generated by MyBatis Generator. * This method returns the value of the database column g_community_comment.level * * @return the value of g_community_comment.level * * @mbggenerated Thu Oct 25 17:16:45 CST 2018 */ public Long getLevel() { return level; } /** * This method was generated by MyBatis Generator. * This method sets the value of the database column g_community_comment.level * * @param level the value for g_community_comment.level * * @mbggenerated Thu Oct 25 17:16:45 CST 2018 */ public void setLevel(Long level) { this.level = level; } /** * This method was generated by MyBatis Generator. * This method returns the value of the database column g_community_comment.all_super_id * * @return the value of g_community_comment.all_super_id * * @mbggenerated Thu Oct 25 17:16:45 CST 2018 */ public String getAllSuperId() { return allSuperId; } /** * This method was generated by MyBatis Generator. * This method sets the value of the database column g_community_comment.all_super_id * * @param allSuperId the value for g_community_comment.all_super_id * * @mbggenerated Thu Oct 25 17:16:45 CST 2018 */ public void setAllSuperId(String allSuperId) { this.allSuperId = allSuperId == null ? null : allSuperId.trim(); } /** * This method was generated by MyBatis Generator. * This method returns the value of the database column g_community_comment.is_read * * @return the value of g_community_comment.is_read * * @mbggenerated Thu Oct 25 17:16:45 CST 2018 */ public Byte getIsRead() { return isRead; } /** * This method was generated by MyBatis Generator. * This method sets the value of the database column g_community_comment.is_read * * @param isRead the value for g_community_comment.is_read * * @mbggenerated Thu Oct 25 17:16:45 CST 2018 */ public void setIsRead(Byte isRead) { this.isRead = isRead; } /** * This method was generated by MyBatis Generator. * This method returns the value of the database column g_community_comment.status * * @return the value of g_community_comment.status * * @mbggenerated Thu Oct 25 17:16:45 CST 2018 */ public Byte getStatus() { return status; } /** * This method was generated by MyBatis Generator. * This method sets the value of the database column g_community_comment.status * * @param status the value for g_community_comment.status * * @mbggenerated Thu Oct 25 17:16:45 CST 2018 */ public void setStatus(Byte status) { this.status = status; } /** * This method was generated by MyBatis Generator. * This method returns the value of the database column g_community_comment.create_time * * @return the value of g_community_comment.create_time * * @mbggenerated Thu Oct 25 17:16:45 CST 2018 */ public Date getCreateTime() { return createTime; } /** * This method was generated by MyBatis Generator. * This method sets the value of the database column g_community_comment.create_time * * @param createTime the value for g_community_comment.create_time * * @mbggenerated Thu Oct 25 17:16:45 CST 2018 */ public void setCreateTime(Date createTime) { this.createTime = createTime; } /** * This method was generated by MyBatis Generator. * This method returns the value of the database column g_community_comment.update_time * * @return the value of g_community_comment.update_time * * @mbggenerated Thu Oct 25 17:16:45 CST 2018 */ public Date getUpdateTime() { return updateTime; } /** * This method was generated by MyBatis Generator. * This method sets the value of the database column g_community_comment.update_time * * @param updateTime the value for g_community_comment.update_time * * @mbggenerated Thu Oct 25 17:16:45 CST 2018 */ public void setUpdateTime(Date updateTime) { this.updateTime = updateTime; } /** * This method was generated by MyBatis Generator. * This method returns the value of the database column g_community_comment.create_date * * @return the value of g_community_comment.create_date * * @mbggenerated Thu Oct 25 17:16:45 CST 2018 */ public Date getCreateDate() { return createDate; } /** * This method was generated by MyBatis Generator. * This method sets the value of the database column g_community_comment.create_date * * @param createDate the value for g_community_comment.create_date * * @mbggenerated Thu Oct 25 17:16:45 CST 2018 */ public void setCreateDate(Date createDate) { this.createDate = createDate; } /** * This method was generated by MyBatis Generator. * This method returns the value of the database column g_community_comment.update_date * * @return the value of g_community_comment.update_date * * @mbggenerated Thu Oct 25 17:16:45 CST 2018 */ public Date getUpdateDate() { return updateDate; } /** * This method was generated by MyBatis Generator. * This method sets the value of the database column g_community_comment.update_date * * @param updateDate the value for g_community_comment.update_date * * @mbggenerated Thu Oct 25 17:16:45 CST 2018 */ public void setUpdateDate(Date updateDate) { this.updateDate = updateDate; } /** * This method was generated by MyBatis Generator. * This method returns the value of the database column g_community_comment.create_by * * @return the value of g_community_comment.create_by * * @mbggenerated Thu Oct 25 17:16:45 CST 2018 */ public String getCreateBy() { return createBy; } /** * This method was generated by MyBatis Generator. * This method sets the value of the database column g_community_comment.create_by * * @param createBy the value for g_community_comment.create_by * * @mbggenerated Thu Oct 25 17:16:45 CST 2018 */ public void setCreateBy(String createBy) { this.createBy = createBy == null ? null : createBy.trim(); } /** * This method was generated by MyBatis Generator. * This method returns the value of the database column g_community_comment.update_by * * @return the value of g_community_comment.update_by * * @mbggenerated Thu Oct 25 17:16:45 CST 2018 */ public String getUpdateBy() { return updateBy; } /** * This method was generated by MyBatis Generator. * This method sets the value of the database column g_community_comment.update_by * * @param updateBy the value for g_community_comment.update_by * * @mbggenerated Thu Oct 25 17:16:45 CST 2018 */ public void setUpdateBy(String updateBy) { this.updateBy = updateBy == null ? null : updateBy.trim(); } /** * This method was generated by MyBatis Generator. * This method returns the value of the database column g_community_comment.remarks * * @return the value of g_community_comment.remarks * * @mbggenerated Thu Oct 25 17:16:45 CST 2018 */ public String getRemarks() { return remarks; } /** * This method was generated by MyBatis Generator. * This method sets the value of the database column g_community_comment.remarks * * @param remarks the value for g_community_comment.remarks * * @mbggenerated Thu Oct 25 17:16:45 CST 2018 */ public void setRemarks(String remarks) { this.remarks = remarks == null ? null : remarks.trim(); } public List<CommunityCommentDto> getSonCommentList() { return sonCommentList; } public void setSonCommentList(List<CommunityCommentDto> sonCommentList) { this.sonCommentList = sonCommentList; } }
递归方法
/** * 递归评论 */ private List<CommunityCommentDto> toRecursionList(CommunityCommentDto dto,List<CommunityCommentDto> commentDtoList,long level){ if (ListUtil.isNull(commentDtoList)){ return null; } if (dto==null){ //先拿第0级的评论 List<CommunityCommentDto> fartherList=new ArrayList<>(); for (CommunityCommentDto communityCommentDto : commentDtoList) { if (communityCommentDto.getLevel()==0){ fartherList.add(communityCommentDto); } } //递归查询并设置子级别的评论集合 for (CommunityCommentDto fartherDto : fartherList) { List<CommunityCommentDto> sonList = toRecursionList(fartherDto, commentDtoList, level); fartherDto.setSonCommentList(sonList); } return fartherList; }else { //拿子级别的评论集合 level++; List<CommunityCommentDto> sonList=new ArrayList<>(); for (CommunityCommentDto communityCommentDto : commentDtoList) { if (communityCommentDto.getLevel()==level&&communityCommentDto.getSuperId()==dto.getId()){ sonList.add(communityCommentDto); } } //设置子级别的评论集合 dto.setSonCommentList(sonList); //递归查询并设置子级别的评论集合 for (CommunityCommentDto sonDto : sonList) { List<CommunityCommentDto> nextSonList = toRecursionList(sonDto, commentDtoList, level); sonDto.setSonCommentList(nextSonList); } return sonList; } }