feat(resource): 调整评论和回复

mcwl-admin/src/main/java/com/mcwl/web/controller/resource/ModelCommentController.java

@@ -3,6 +3,7 @@ package com.mcwl.web.controller.resource;
 import com.mcwl.common.annotation.RepeatSubmit;
 import com.mcwl.common.core.domain.AjaxResult;
 import com.mcwl.resource.domain.ModelComment;
+import com.mcwl.resource.domain.dto.ModelCommentRes;
 import com.mcwl.resource.domain.vo.ModelCommentVo;
 import com.mcwl.resource.service.ModelCommentLikeService;
 import com.mcwl.resource.service.ModelCommentService;
@@ -12,6 +13,7 @@ import io.swagger.annotations.ApiOperation;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.web.bind.annotation.*;
 
+import javax.validation.Valid;
 import javax.validation.constraints.NotNull;
 import java.util.List;
 
@@ -42,8 +44,8 @@ public class ModelCommentController {
      */
     @ApiOperation(value = "模型点赞/取消")
     @RepeatSubmit
-    @GetMapping("/modelLike/{modelId}")
+    @GetMapping("/modelLike")
-    public AjaxResult like(@PathVariable Long modelId) {
+    public AjaxResult like(@Valid @NotNull(message = "模型id不能为空") Long modelId) {
         modelLikeService.like(modelId);
         return AjaxResult.success();
     }
@@ -54,8 +56,8 @@ public class ModelCommentController {
      */
     @ApiOperation(value = "模型评论发布")
     @PostMapping("/comment")
-    public AjaxResult comment(@RequestBody ModelComment modelComment) {
+    public AjaxResult comment(@Valid @RequestBody ModelCommentRes modelCommentRes) {
-        modelCommentService.comment(modelComment);
+        modelCommentService.comment(modelCommentRes);
         return AjaxResult.success();
     }
 
@@ -64,8 +66,8 @@ public class ModelCommentController {
      */
     @ApiOperation(value = "模型评论点赞/取消")
     @RepeatSubmit
-    @GetMapping("/commentLike/{commentId}")
+    @GetMapping("/commentLike")
-    public AjaxResult commentLike(@PathVariable Long commentId) {
+    public AjaxResult commentLike(@Valid @NotNull(message = "评论id不能为空") Long commentId) {
         modelCommentLikeService.like(commentId);
         return AjaxResult.error();
     }
@@ -76,8 +78,8 @@ public class ModelCommentController {
      * 获取模型评论
      */
     @ApiOperation(value = "获取模型评论")
-    @GetMapping("/comment/{modelId}")
+    @GetMapping("/comment")
-    public AjaxResult getComment(@PathVariable @NotNull(message = "模型id不能为空") Long modelId) {
+    public AjaxResult getComment(@Valid @NotNull(message = "模型id不能为空") Long modelId) {
         List<ModelCommentVo> modelCommentList = modelCommentService.getComment(modelId);
         return AjaxResult.success(modelCommentList);
     }
@@ -87,8 +89,8 @@ public class ModelCommentController {
      * 删除模型评论
      */
     @ApiOperation(value = "删除模型评论")
-    @GetMapping("/commentDelete/{commentId}")
+    @GetMapping("/commentDelete")
-    public AjaxResult commentDelete(@PathVariable @NotNull(message = "评论id不能为空") Long commentId) {
+    public AjaxResult commentDelete(@Valid @NotNull(message = "评论id不能为空") Long commentId) {
         modelCommentService.removeById(commentId);
         return AjaxResult.success();
     }

mcwl-admin/src/main/java/com/mcwl/web/controller/resource/WorkFlowCommentController.java

@@ -2,6 +2,7 @@ package com.mcwl.web.controller.resource;
 
 import com.mcwl.common.core.domain.AjaxResult;
 import com.mcwl.resource.domain.WorkFlowComment;
+import com.mcwl.resource.domain.dto.WorkFlowCommentRes;
 import com.mcwl.resource.domain.vo.WorkFlowCommentVo;
 import com.mcwl.resource.service.WorkFlowCommentLikeService;
 import com.mcwl.resource.service.WorkFlowCommentService;
@@ -11,6 +12,7 @@ import io.swagger.annotations.ApiOperation;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.web.bind.annotation.*;
 
+import javax.validation.Valid;
 import javax.validation.constraints.NotNull;
 import java.util.List;
 
@@ -53,8 +55,8 @@ public class WorkFlowCommentController {
      */
     @ApiOperation(value = "工作流评论发布")
     @PostMapping("/comment")
-    public AjaxResult comment(@RequestBody WorkFlowComment modelComment) {
+    public AjaxResult comment(@RequestBody WorkFlowCommentRes workFlowCommentRes) {
-        workFlowCommentService.comment(modelComment);
+        workFlowCommentService.comment(workFlowCommentRes);
         return AjaxResult.success();
     }
 
@@ -62,8 +64,8 @@ public class WorkFlowCommentController {
      * 工作流评论点赞/取消
      */
     @ApiOperation(value = "工作流评论点赞/取消")
-    @GetMapping("/commentLike/{commentId}")
+    @GetMapping("/commentLike")
-    public AjaxResult commentLike(@PathVariable Long commentId) {
+    public AjaxResult commentLike(@Valid @NotNull(message = "评论id不能为空") Long commentId) {
         workFlowCommentLikeService.like(commentId);
         return AjaxResult.error();
     }
@@ -74,9 +76,9 @@ public class WorkFlowCommentController {
      * 获取工作流评论
      */
     @ApiOperation(value = "获取工作流评论")
-    @GetMapping("/comment/{modelId}")
+    @GetMapping("/comment")
-    public AjaxResult getComment(@PathVariable @NotNull(message = "模型id不能为空") Long modelId) {
+    public AjaxResult getComment(@Valid @NotNull(message = "模型id不能为空") Long commentId) {
-        List<WorkFlowCommentVo> modelCommentList = workFlowCommentService.getComment(modelId);
+        List<WorkFlowCommentVo> modelCommentList = workFlowCommentService.getComment(commentId);
         return AjaxResult.success(modelCommentList);
     }
 
@@ -85,8 +87,8 @@ public class WorkFlowCommentController {
      * 删除工作流评论
      */
     @ApiOperation(value = "删除工作流评论")
-    @GetMapping("/commentDelete/{commentId}")
+    @GetMapping("/commentDelete")
-    public AjaxResult commentDelete(@PathVariable @NotNull(message = "评论id不能为空") Long commentId) {
+    public AjaxResult commentDelete(@Valid @NotNull(message = "评论id不能为空") Long commentId) {
         workFlowCommentService.removeById(commentId);
         return AjaxResult.success();
     }

mcwl-common/src/main/java/com/mcwl/common/handler/MyMetaObjectHandler.java

@@ -36,8 +36,7 @@ public class MyMetaObjectHandler implements MetaObjectHandler {
     @Override
     public void updateFill(MetaObject metaObject) {
         try {
-            String username = SecurityUtils.getUsername();
+            this.setFieldValByName("updateBy", SecurityUtils.getUsername(), metaObject);
-            this.setFieldValByName("updateBy", username, metaObject);
         } catch (Exception e) {
             this.setFieldValByName("updateBy", "", metaObject);
         }

mcwl-resource/src/main/java/com/mcwl/resource/domain/ModelComment.java

@@ -48,6 +48,12 @@ public class ModelComment extends BaseEntity {
     @ApiModelProperty(value = "父评论id")
     private Long parentId;
 
+    /**
+     * 回复人
+     */
+    @ApiModelProperty(value = "回复人")
+    private Long replyUserId;
+
     /**
      * 点赞数
      */

mcwl-resource/src/main/java/com/mcwl/resource/domain/ModelImageComment.java

@@ -45,6 +45,12 @@ public class ModelImageComment extends BaseEntity {
     @ApiModelProperty(value = "父评论id")
     private Long parentId;
 
+    /**
+     * 回复人
+     */
+    @ApiModelProperty(value = "回复人")
+    private Long replyUserId;
+
     /**
      * 点赞数
      */

mcwl-resource/src/main/java/com/mcwl/resource/domain/WorkFlowComment.java

@@ -47,6 +47,12 @@ public class WorkFlowComment extends BaseEntity {
     @ApiModelProperty ("父评论id")
     private Long parentId;
 
+    /**
+     * 回复人
+     */
+    @ApiModelProperty ("回复人")
+    private Long replyUserId;
+
     /**
      * 点赞数
      */

mcwl-resource/src/main/java/com/mcwl/resource/domain/dto/ModelCommentRes.java

@@ -0,0 +1,39 @@
+package com.mcwl.resource.domain.dto;
+
+import io.swagger.annotations.ApiModel;
+import io.swagger.annotations.ApiModelProperty;
+import lombok.Data;
+
+import javax.validation.constraints.NotBlank;
+import javax.validation.constraints.NotNull;
+
+@ApiModel(description = "模型评论请求参数")
+@Data
+public class ModelCommentRes {
+    /**
+     * 工作流id
+     */
+    @ApiModelProperty(value = "模型id", required = true)
+    @NotNull(message = "模型id不能为空")
+    private Long workFlowId;
+
+    /**
+     * 评论内容
+     */
+    @ApiModelProperty(value = "评论内容", required = true)
+    @NotBlank(message = "评论内容不能为空")
+    private String content;
+
+    /**
+     * 父评论id
+     */
+    @ApiModelProperty(value = "父评论id")
+    private Long parentId;
+
+    /**
+     * 回复人
+     */
+    @ApiModelProperty(value = "回复人")
+    private Long replyUserId;
+
+}

mcwl-resource/src/main/java/com/mcwl/resource/domain/dto/ModelImageCommentRes.java

@@ -29,4 +29,11 @@ public class ModelImageCommentRes {
     @ApiModelProperty(value = "父评论id")
     private Long parentId;
 
+    /**
+     * 回复人
+     */
+    @ApiModelProperty(value = "回复人")
+    private Long replyUserId;
+
+
 }

mcwl-resource/src/main/java/com/mcwl/resource/domain/dto/WorkFlowCommentRes.java

@@ -0,0 +1,39 @@
+package com.mcwl.resource.domain.dto;
+
+import io.swagger.annotations.ApiModel;
+import io.swagger.annotations.ApiModelProperty;
+import lombok.Data;
+
+import javax.validation.constraints.NotBlank;
+import javax.validation.constraints.NotNull;
+
+@ApiModel(description = "工作流评论请求参数")
+@Data
+public class WorkFlowCommentRes {
+    /**
+     * 工作流id
+     */
+    @ApiModelProperty(value = "工作流id", required = true)
+    @NotNull(message = "工作流id不能为空")
+    private Long workFlowId;
+
+    /**
+     * 评论内容
+     */
+    @ApiModelProperty(value = "评论内容", required = true)
+    @NotBlank(message = "评论内容不能为空")
+    private String content;
+
+    /**
+     * 父评论id
+     */
+    @ApiModelProperty(value = "父评论id")
+    private Long parentId;
+
+    /**
+     * 回复人
+     */
+    @ApiModelProperty(value = "回复人")
+    private Long replyUserId;
+
+}

mcwl-resource/src/main/java/com/mcwl/resource/domain/vo/ModelCommentVo.java

@@ -54,6 +54,12 @@ public class ModelCommentVo {
     @ApiModelProperty(value = "评论内容")
     private String content;
 
+    /**
+     * 回复人
+     */
+    @ApiModelProperty(value = "回复人")
+    private Long replyUserId;
+
     /**
      * 子评论
      */

mcwl-resource/src/main/java/com/mcwl/resource/domain/vo/ModelImageCommentVo.java

@@ -53,6 +53,13 @@ public class ModelImageCommentVo {
     @ApiModelProperty(value = "评论内容")
     private String content;
 
+    /**
+     * 回复人
+     */
+    @ApiModelProperty(value = "回复人")
+    private Long replyUserId;
+
+
     /**
      * 子评论
      */

mcwl-resource/src/main/java/com/mcwl/resource/domain/vo/WorkFlowCommentVo.java

@@ -54,6 +54,12 @@ public class WorkFlowCommentVo {
     @ApiModelProperty(value = "评论内容")
     private String content;
 
+    /**
+     * 回复人
+     */
+    @ApiModelProperty(value = "回复人")
+    private Long replyUserId;
+
     /**
      * 子评论
      */

mcwl-resource/src/main/java/com/mcwl/resource/service/ModelCommentService.java

@@ -2,6 +2,7 @@ package com.mcwl.resource.service;
 
 import com.baomidou.mybatisplus.extension.service.IService;
 import com.mcwl.resource.domain.ModelComment;
+import com.mcwl.resource.domain.dto.ModelCommentRes;
 import com.mcwl.resource.domain.vo.ModelCommentVo;
 import com.mcwl.resource.domain.vo.ModelImageCommentVo;
 
@@ -17,7 +18,7 @@ import java.util.List;
  * @Date：2025/1/12 11:58
  */
 public interface ModelCommentService extends IService<ModelComment> {
-    void comment(ModelComment modelComment);
+    void comment(ModelCommentRes modelCommentRes);
 
     /**
      * 获取评论

mcwl-resource/src/main/java/com/mcwl/resource/service/WorkFlowCommentService.java

@@ -2,6 +2,7 @@ package com.mcwl.resource.service;
 
 import com.baomidou.mybatisplus.extension.service.IService;
 import com.mcwl.resource.domain.WorkFlowComment;
+import com.mcwl.resource.domain.dto.WorkFlowCommentRes;
 import com.mcwl.resource.domain.vo.WorkFlowCommentVo;
 
 import java.util.List;
@@ -16,7 +17,7 @@ import java.util.List;
  * @Date：2025/1/12 11:58
  */
 public interface WorkFlowCommentService extends IService<WorkFlowComment> {
-    void comment(WorkFlowComment modelComment);
+    void comment(WorkFlowCommentRes workFlowCommentRes);
 
     /**
      * 获取评论

mcwl-resource/src/main/java/com/mcwl/resource/service/impl/ModelCommentServiceImpl.java

@@ -7,6 +7,7 @@ import com.mcwl.common.core.domain.entity.SysUser;
 import com.mcwl.common.utils.SecurityUtils;
 import com.mcwl.resource.domain.ModelComment;
 import com.mcwl.resource.domain.ModelImageComment;
+import com.mcwl.resource.domain.dto.ModelCommentRes;
 import com.mcwl.resource.domain.dto.ModelImageCommentRes;
 import com.mcwl.resource.domain.vo.ModelCommentVo;
 import com.mcwl.resource.domain.vo.ModelImageCommentVo;
@@ -19,10 +20,9 @@ import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 
 import javax.validation.constraints.NotNull;
-import java.util.ArrayList;
+import java.util.*;
-import java.util.Date;
+import java.util.function.Function;
-import java.util.List;
+import java.util.stream.Collectors;
-import java.util.Objects;
 
 /**
  * 模型评论
@@ -39,8 +39,8 @@ public class ModelCommentServiceImpl extends ServiceImpl<ModelCommentMapper, Mod
     private ModelImageMapper modelImageMapper;
 
     @Override
-    public void comment(ModelComment modelComment) {
+    public void comment(ModelCommentRes modelCommentRes) {
-        Long parentId = modelComment.getParentId();
+        Long parentId = modelCommentRes.getParentId();
 
         if (Objects.nonNull(parentId)) {
             ModelComment mic = modelCommentMapper.selectById(parentId);
@@ -48,11 +48,9 @@ public class ModelCommentServiceImpl extends ServiceImpl<ModelCommentMapper, Mod
                 return;
             }
         }
+        ModelComment modelComment = new ModelComment();
+        BeanUtil.copyProperties(modelCommentRes, modelComment);
         modelComment.setUserId(SecurityUtils.getUserId());
-        modelComment.setCreateBy(SecurityUtils.getUsername());
-        modelComment.setCreateTime(new Date());
-        modelComment.setUpdateBy(SecurityUtils.getUsername());
-        modelComment.setUpdateTime(new Date());
         modelCommentMapper.insert(modelComment);
 
     }
@@ -64,21 +62,133 @@ public class ModelCommentServiceImpl extends ServiceImpl<ModelCommentMapper, Mod
      */
     @Override
     public List<ModelCommentVo> getComment(Long imageId) {
-        List<ModelCommentVo> modelCommentVoList = new ArrayList<>();
 
-        // 查询所有父评论
+        // 1. 查询所有父评论
-        LambdaQueryWrapper<ModelComment> lqw = new LambdaQueryWrapper<>();
+        List<ModelComment> parentComments = baseMapper.selectList(
-        lqw.eq(ModelComment::getModelId, imageId)
+                new LambdaQueryWrapper<ModelComment>()
+                        .eq(ModelComment::getModelId, imageId)
                         .isNull(ModelComment::getParentId)
-                .orderByDesc(ModelComment::getCreateTime);
+                        .orderByAsc(ModelComment::getCreateTime)
-        // 添加父评论
+        );
-        List<ModelComment> modelCommentList = modelCommentMapper.selectList(lqw);
+
-        for (ModelComment modelComment : modelCommentList) {
+        // 无评论直接返回空列表
-            ModelCommentVo modelCommentVo = getModelCommentVo(modelComment);
+        if (parentComments.isEmpty()) {
-            modelCommentVoList.add(modelCommentVo);
+            return new ArrayList<>();
         }
 
-        return modelCommentVoList;
+        // 2. 收集所有用户ID（父评论+子评论）
+        List<Long> userIds = collectUserIds(parentComments); // 收集父评论用户ID
+        List<ModelComment> childComments = getChildComments(parentComments); // 查询子评论
+        for (ModelComment child : childComments) {
+            userIds.add(child.getUserId()); // 收集子评论用户ID
+        }
+
+        // 3. 批量查询用户信息（避免N+1查询）
+        Map<Long, SysUser> userMap = userIds.isEmpty() ?
+                new HashMap<>() :
+                sysUserService.listByIds(userIds).stream()
+                        .collect(Collectors.toMap(SysUser::getUserId, Function.identity()));
+
+        // 4. 构建评论树结构
+        return buildCommentTree(parentComments, childComments, userMap);
+    }
+
+    /**
+     * 收集父评论的用户ID
+     *
+     * @param parentComments 父评论列表
+     * @return 用户ID集合
+     */
+    private List<Long> collectUserIds(List<ModelComment> parentComments) {
+        List<Long> userIds = new ArrayList<>();
+        for (ModelComment comment : parentComments) {
+            userIds.add(comment.getUserId());
+        }
+        return userIds;
+    }
+
+    /**
+     * 批量查询子评论
+     *
+     * @param parentComments 父评论列表
+     * @return 子评论列表
+     */
+    private List<ModelComment> getChildComments(List<ModelComment> parentComments) {
+        if (parentComments.isEmpty()) {
+            return new ArrayList<>();
+        }
+        // 提取父评论ID集合
+        List<Long> parentIds = parentComments.stream()
+                .map(ModelComment::getId)
+                .collect(Collectors.toList());
+
+        // 查询子评论
+        return baseMapper.selectList(
+                new LambdaQueryWrapper<ModelComment>()
+                        .in(ModelComment::getParentId, parentIds)
+                        .orderByAsc(ModelComment::getCreateTime)
+        );
+    }
+
+    /**
+     * 构建树形VO结构
+     */
+    private List<ModelCommentVo> buildCommentTree(List<ModelComment> parentComments,
+                                                       List<ModelComment> childComments,
+                                                       Map<Long, SysUser> userMap) {
+        // 按父ID分组子评论
+        Map<Long, List<ModelComment>> childMap = new HashMap<>();
+        for (ModelComment child : childComments) {
+            Long parentId = child.getParentId();
+            childMap.computeIfAbsent(parentId, k -> new ArrayList<>()).add(child);
+        }
+
+        // 构建VO树
+        List<ModelCommentVo> result = new ArrayList<>();
+        for (ModelComment parent : parentComments) {
+            // 转换父评论VO
+            ModelCommentVo parentVo = convertToVo(parent, userMap);
+            // 获取子评论VO列表
+            List<ModelComment> children = childMap.getOrDefault(parent.getId(), new ArrayList<>());
+            List<ModelCommentVo> childVos = new ArrayList<>();
+            for (ModelComment child : children) {
+                childVos.add(convertToVo(child, userMap));
+            }
+            parentVo.setContentList(childVos);
+            result.add(parentVo);
+        }
+        return result;
+    }
+
+    /**
+     * 转换单个评论为VO对象
+     */
+    private ModelCommentVo convertToVo(ModelComment comment, Map<Long, SysUser> userMap) {
+        SysUser user = userMap.get(comment.getUserId());
+        if (user == null) {
+            user = createDefaultUser(); // 处理用户信息缺失
+        }
+
+        ModelCommentVo vo = new ModelCommentVo();
+        vo.setUserId(comment.getUserId());
+        vo.setUserName(user.getUserName());
+        vo.setUserAvatar(user.getAvatar());
+        vo.setCommentId(comment.getId());
+        vo.setContent(comment.getContent());
+        vo.setReplyUserId(comment.getReplyUserId());
+        vo.setLikeNum(comment.getLikeNum());
+        vo.setCreateTime(comment.getCreateTime());
+        return vo;
+    }
+
+    /**
+     * 创建默认用户（防止空指针）
+     */
+    private SysUser createDefaultUser() {
+        SysUser defaultUser = new SysUser();
+        defaultUser.setUserName("匿名用户");
+        defaultUser.setAvatar("/default-avatar.png");
+        return defaultUser;
     }
 
 

mcwl-resource/src/main/java/com/mcwl/resource/service/impl/ModelImageCommentServiceImpl.java

@@ -18,9 +18,9 @@ import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Service;
 
 import javax.validation.constraints.NotNull;
-import java.util.ArrayList;
+import java.util.*;
-import java.util.List;
+import java.util.function.Function;
-import java.util.Objects;
+import java.util.stream.Collectors;
 
 /**
  * 图片评论实现
@@ -57,88 +57,133 @@ public class ModelImageCommentServiceImpl extends ServiceImpl<ModelImageCommentM
      */
     @Override
     public List<ModelImageCommentVo> getComment(Long imageId) {
-
+        // 1. 查询所有父评论
-        List<ModelImageCommentVo> modelImageCommentVoList = new ArrayList<>();
+        List<ModelImageComment> parentComments = baseMapper.selectList(
-
+                new LambdaQueryWrapper<ModelImageComment>()
-        // 查询所有父评论
+                        .eq(ModelImageComment::getModelImageId, imageId)
-        LambdaQueryWrapper<ModelImageComment> lqw = new LambdaQueryWrapper<>();
-        lqw.eq(ModelImageComment::getModelImageId, imageId)
                         .isNull(ModelImageComment::getParentId)
-                .orderByDesc(ModelImageComment::getCreateTime);
+                        .orderByAsc(ModelImageComment::getCreateTime)
-        // 添加父评论
+        );
-        List<ModelImageComment> modelImageCommentList = baseMapper.selectList(lqw);
+
-        for (ModelImageComment modelImageComment : modelImageCommentList) {
+        // 无评论直接返回空列表
-            ModelImageCommentVo modelImageCommentVo = getModelImageCommentVo(modelImageComment);
+        if (parentComments.isEmpty()) {
-            modelImageCommentVoList.add(modelImageCommentVo);
+            return new ArrayList<>();
         }
 
-        return modelImageCommentVoList;
+        // 2. 收集所有用户ID（父评论+子评论）
+        List<Long> userIds = collectUserIds(parentComments); // 收集父评论用户ID
+        List<ModelImageComment> childComments = getChildComments(parentComments); // 查询子评论
+        for (ModelImageComment child : childComments) {
+            userIds.add(child.getUserId()); // 收集子评论用户ID
         }
 
+        // 3. 批量查询用户信息（避免N+1查询）
+        Map<Long, SysUser> userMap = userIds.isEmpty() ?
+                new HashMap<>() :
+                sysUserService.listByIds(userIds).stream()
+                        .collect(Collectors.toMap(SysUser::getUserId, Function.identity()));
+
+        // 4. 构建评论树结构
+        return buildCommentTree(parentComments, childComments, userMap);
+    }
 
     /**
-     * 构建ModelImageCommentVo对象
+     * 收集父评论的用户ID
      *
-     * @param modelImageComment 父评论对象
+     * @param parentComments 父评论列表
-     * @return ModelImageCommentVo对象
+     * @return 用户ID集合
      */
-    @NotNull
+    private List<Long> collectUserIds(List<ModelImageComment> parentComments) {
-    private ModelImageCommentVo getModelImageCommentVo(ModelImageComment modelImageComment) {
+        List<Long> userIds = new ArrayList<>();
-        Long userId = modelImageComment.getUserId();
+        for (ModelImageComment comment : parentComments) {
-        SysUser sysUser = sysUserService.selectUserById(userId);
+            userIds.add(comment.getUserId());
-
+        }
-        // 构建ModelImageCommentVo对象
+        return userIds;
-        ModelImageCommentVo modelImageCommentVo = new ModelImageCommentVo();
-        modelImageCommentVo.setUserId(userId);
-        modelImageCommentVo.setUserName(sysUser.getUserName());
-        modelImageCommentVo.setUserAvatar(sysUser.getAvatar());
-        modelImageCommentVo.setCommentId(modelImageComment.getId());
-        modelImageCommentVo.setContent(modelImageComment.getContent());
-        // 查询子评论
-        modelImageCommentVo.setContentList(getContentList(modelImageComment.getId()));
-        modelImageCommentVo.setLikeNum(modelImageComment.getLikeNum());
-        modelImageCommentVo.setCreateTime(modelImageComment.getCreateTime());
-        return modelImageCommentVo;
     }
-
 
     /**
-     * 递归查询子评论
+     * 批量查询子评论
      *
-     * @param modelImageCommentId 父评论id
+     * @param parentComments 父评论列表
-     * @return List<ModelImageCommentVo>
+     * @return 子评论列表
      */
-    private List<ModelImageCommentVo> getContentList(Long modelImageCommentId) {
+    private List<ModelImageComment> getChildComments(List<ModelImageComment> parentComments) {
-        List<ModelImageCommentVo> modelImageCommentVoList = new ArrayList<>();
+        if (parentComments.isEmpty()) {
-        if (Objects.isNull(modelImageCommentId)) {
+            return new ArrayList<>();
-            return modelImageCommentVoList;
         }
+        // 提取父评论ID集合
+        List<Long> parentIds = parentComments.stream()
+                .map(ModelImageComment::getId)
+                .collect(Collectors.toList());
 
         // 查询子评论
-        LambdaQueryWrapper<ModelImageComment> lqw = new LambdaQueryWrapper<ModelImageComment>()
+        return baseMapper.selectList(
-                .eq(ModelImageComment::getParentId, modelImageCommentId)
+                new LambdaQueryWrapper<ModelImageComment>()
-                .orderByDesc(ModelImageComment::getCreateTime);
+                        .in(ModelImageComment::getParentId, parentIds)
-
+                        .orderByAsc(ModelImageComment::getCreateTime)
-        List<ModelImageComment> modelImageCommentList = baseMapper.selectList(lqw);
+        );
-
-        for (ModelImageComment modelImageComment : modelImageCommentList) {
-            Long userId = modelImageComment.getUserId();
-            SysUser sysUser = sysUserService.selectUserById(userId);
-            ModelImageCommentVo modelImageCommentVo = new ModelImageCommentVo();
-            modelImageCommentVo.setUserId(userId);
-            modelImageCommentVo.setUserName(sysUser.getUserName());
-            modelImageCommentVo.setUserAvatar(sysUser.getAvatar());
-            modelImageCommentVo.setCommentId(modelImageComment.getId());
-            modelImageCommentVo.setContent(modelImageComment.getContent());
-            modelImageCommentVo.setLikeNum(modelImageComment.getLikeNum());
-            modelImageCommentVo.setCreateTime(modelImageComment.getCreateTime());
-
-
-            modelImageCommentVoList.add(modelImageCommentVo);
-        }
-        return modelImageCommentVoList;
     }
 
+    /**
+     * 构建树形VO结构
+     */
+    private List<ModelImageCommentVo> buildCommentTree(List<ModelImageComment> parentComments,
+                                                       List<ModelImageComment> childComments,
+                                                       Map<Long, SysUser> userMap) {
+        // 按父ID分组子评论
+        Map<Long, List<ModelImageComment>> childMap = new HashMap<>();
+        for (ModelImageComment child : childComments) {
+            Long parentId = child.getParentId();
+            childMap.computeIfAbsent(parentId, k -> new ArrayList<>()).add(child);
+        }
+
+        // 构建VO树
+        List<ModelImageCommentVo> result = new ArrayList<>();
+        for (ModelImageComment parent : parentComments) {
+            // 转换父评论VO
+            ModelImageCommentVo parentVo = convertToVo(parent, userMap);
+            // 获取子评论VO列表
+            List<ModelImageComment> children = childMap.getOrDefault(parent.getId(), new ArrayList<>());
+            List<ModelImageCommentVo> childVos = new ArrayList<>();
+            for (ModelImageComment child : children) {
+                childVos.add(convertToVo(child, userMap));
+            }
+            parentVo.setContentList(childVos);
+            result.add(parentVo);
+        }
+        return result;
+    }
+
+    /**
+     * 转换单个评论为VO对象
+     */
+    private ModelImageCommentVo convertToVo(ModelImageComment comment, Map<Long, SysUser> userMap) {
+        SysUser user = userMap.get(comment.getUserId());
+        if (user == null) {
+            user = createDefaultUser(); // 处理用户信息缺失
+        }
+
+        ModelImageCommentVo vo = new ModelImageCommentVo();
+        vo.setUserId(comment.getUserId());
+        vo.setUserName(user.getUserName());
+        vo.setUserAvatar(user.getAvatar());
+        vo.setCommentId(comment.getId());
+        vo.setContent(comment.getContent());
+        vo.setReplyUserId(comment.getReplyUserId());
+        vo.setLikeNum(comment.getLikeNum());
+        vo.setCreateTime(comment.getCreateTime());
+        return vo;
+    }
+
+    /**
+     * 创建默认用户（防止空指针）
+     */
+    private SysUser createDefaultUser() {
+        SysUser defaultUser = new SysUser();
+        defaultUser.setUserName("匿名用户");
+        defaultUser.setAvatar("/default-avatar.png");
+        return defaultUser;
+    }
 
 
 }

mcwl-resource/src/main/java/com/mcwl/resource/service/impl/WorkFlowCommentServiceImpl.java

@@ -1,10 +1,14 @@
 package com.mcwl.resource.service.impl;
 
+import cn.hutool.core.bean.BeanUtil;
 import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
 import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
 import com.mcwl.common.core.domain.entity.SysUser;
 import com.mcwl.common.utils.SecurityUtils;
+import com.mcwl.resource.domain.ModelImageComment;
 import com.mcwl.resource.domain.WorkFlowComment;
+import com.mcwl.resource.domain.dto.WorkFlowCommentRes;
+import com.mcwl.resource.domain.vo.ModelImageCommentVo;
 import com.mcwl.resource.domain.vo.WorkFlowCommentVo;
 import com.mcwl.resource.mapper.WorkFlowCommentMapper;
 import com.mcwl.resource.service.WorkFlowCommentService;
@@ -13,13 +17,13 @@ import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 
 import javax.validation.constraints.NotNull;
-import java.util.ArrayList;
+import java.util.*;
-import java.util.Date;
+import java.util.function.Function;
-import java.util.List;
+import java.util.stream.Collectors;
-import java.util.Objects;
 
 /**
  * 工作流评论 实现层
+ *
  * @Author：ChenYan
  * @Project：McWl
  * @Package：com.mcwl.resource.service.impl
@@ -38,105 +42,154 @@ public class WorkFlowCommentServiceImpl extends ServiceImpl<WorkFlowCommentMappe
 
 
     @Override
-    public void comment(WorkFlowComment workFlowComment) {
+    public void comment(WorkFlowCommentRes workFlowCommentRes) {
-        Long parentId = workFlowComment.getParentId();
+        Long parentId = workFlowCommentRes.getParentId();
-        if (parentId != null){
+        if (parentId != null) {
             WorkFlowComment mic = workFlowCommentMapper.selectById(parentId);
 
-            if (Objects.nonNull(parentId) && Objects.isNull(mic)) {
+            if (Objects.isNull(mic)) {
                 return;
             }
         }
+        WorkFlowComment workFlowComment = new WorkFlowComment();
+        BeanUtil.copyProperties(workFlowCommentRes, workFlowComment);
         workFlowComment.setUserId(SecurityUtils.getUserId());
-        workFlowComment.setCreateBy(SecurityUtils.getUsername());
-        workFlowComment.setUpdateBy(SecurityUtils.getUsername());
-        workFlowComment.setUpdateTime(new Date());
         workFlowCommentMapper.insert(workFlowComment);
 
     }
 
     @Override
     public List<WorkFlowCommentVo> getComment(Long imageId) {
-        List<WorkFlowCommentVo> workFlowCommentVos = new ArrayList<>();
 
         // 查询所有父评论
-        LambdaQueryWrapper<WorkFlowComment> lqw = new LambdaQueryWrapper<>();
+        List<WorkFlowComment> parentComments = baseMapper.selectList(
-        lqw.eq(WorkFlowComment::getWorkFlowId, imageId)
+                new LambdaQueryWrapper<WorkFlowComment>()
+                        .eq(WorkFlowComment::getWorkFlowId, imageId)
                         .isNull(WorkFlowComment::getParentId)
-                .orderByDesc(WorkFlowComment::getCreateTime);
+                        .orderByAsc(WorkFlowComment::getCreateTime)
-        // 添加父评论
+        );
-        List<WorkFlowComment> workFlowComments = workFlowCommentMapper.selectList(lqw);
+
-        for (WorkFlowComment workFlowComment : workFlowComments) {
+        // 无评论直接返回空列表
-            WorkFlowCommentVo workFlowCommentVo = getModelCommentVo(workFlowComment);
+        if (parentComments.isEmpty()) {
-            workFlowCommentVos.add(workFlowCommentVo);
+            return new ArrayList<>();
         }
 
-        return workFlowCommentVos;
+        // 2. 收集所有用户ID（父评论+子评论）
+        List<Long> userIds = collectUserIds(parentComments); // 收集父评论用户ID
+        List<WorkFlowComment> childComments = getChildComments(parentComments); // 查询子评论
+        for (WorkFlowComment child : childComments) {
+            userIds.add(child.getUserId()); // 收集子评论用户ID
         }
 
+        // 3. 批量查询用户信息（避免N+1查询）
+        Map<Long, SysUser> userMap = userIds.isEmpty() ?
+                new HashMap<>() :
+                sysUserService.listByIds(userIds).stream()
+                        .collect(Collectors.toMap(SysUser::getUserId, Function.identity()));
+
+
+        // 4. 构建评论树结构
+        return buildCommentTree(parentComments, childComments, userMap);
+    }
 
     /**
-     * 构建ModelCommentVo对象
+     * 收集父评论的用户ID
      *
-     * @param workFlowComment 父评论对象
+     * @param parentComments 父评论列表
-     * @return WorkFlowCommentVo
+     * @return 用户ID集合
      */
-    @NotNull
+    private List<Long> collectUserIds(List<WorkFlowComment> parentComments) {
-    private WorkFlowCommentVo getModelCommentVo(WorkFlowComment workFlowComment) {
+        List<Long> userIds = new ArrayList<>();
-        Long userId = workFlowComment.getUserId();
+        for (WorkFlowComment comment : parentComments) {
-        SysUser sysUser = sysUserService.selectUserById(userId);
+            userIds.add(comment.getUserId());
-
+        }
-        // 构建WorkFlowCommentVo对象
+        return userIds;
-        WorkFlowCommentVo workFlowCommentVo = new WorkFlowCommentVo();
-        workFlowCommentVo.setUserId(userId);
-        workFlowCommentVo.setUserName(sysUser.getUserName());
-        workFlowCommentVo.setUserAvatar(sysUser.getAvatar());
-        workFlowCommentVo.setCommentId(workFlowComment.getId());
-        workFlowCommentVo.setContent(workFlowComment.getContent());
-        // 查询子评论
-        workFlowCommentVo.setContentList(getContentList(workFlowComment.getId()));
-        workFlowCommentVo.setLikeNum(workFlowComment.getLikeNum());
-        workFlowCommentVo.setCreateTime(workFlowComment.getCreateTime());
-        return workFlowCommentVo;
     }
-
 
     /**
-     * 递归查询子评论
+     * 批量查询子评论
      *
-     * @param modelCommentId 父评论id
+     * @param parentComments 父评论列表
-     * @return List<ModelCommentVo>
+     * @return 子评论列表
      */
-    private List<WorkFlowCommentVo> getContentList(Long modelCommentId) {
+    private List<WorkFlowComment> getChildComments(List<WorkFlowComment> parentComments) {
-        List<WorkFlowCommentVo> modelCommentVoList = new ArrayList<>();
+        if (parentComments.isEmpty()) {
-        if (Objects.isNull(modelCommentId)) {
+            return new ArrayList<>();
-            return modelCommentVoList;
         }
+        // 提取父评论ID集合
+        List<Long> parentIds = parentComments.stream()
+                .map(WorkFlowComment::getId)
+                .collect(Collectors.toList());
 
         // 查询子评论
-        LambdaQueryWrapper<WorkFlowComment> lqw = new LambdaQueryWrapper<WorkFlowComment>()
+        return baseMapper.selectList(
-                .eq(WorkFlowComment::getParentId, modelCommentId)
+                new LambdaQueryWrapper<WorkFlowComment>()
-                .orderByDesc(WorkFlowComment::getCreateTime);
+                        .in(WorkFlowComment::getParentId, parentIds)
-
+                        .orderByAsc(WorkFlowComment::getCreateTime)
-        List<WorkFlowComment> modelCommentList = workFlowCommentMapper.selectList(lqw);
+        );
-
-        for (WorkFlowComment modelComment : modelCommentList) {
-            Long userId = modelComment.getUserId();
-            SysUser sysUser = sysUserService.selectUserById(userId);
-            WorkFlowCommentVo modelCommentVo = new WorkFlowCommentVo();
-            modelCommentVo.setUserId(userId);
-            modelCommentVo.setUserName(sysUser.getUserName());
-            modelCommentVo.setUserAvatar(sysUser.getAvatar());
-            modelCommentVo.setCommentId(modelComment.getId());
-            modelCommentVo.setContent(modelComment.getContent());
-            modelCommentVo.setLikeNum(modelComment.getLikeNum());
-            modelCommentVo.setCreateTime(modelComment.getCreateTime());
-
-
-            modelCommentVoList.add(modelCommentVo);
     }
-        return modelCommentVoList;
+
+    /**
+     * 构建树形VO结构
+     */
+    private List<WorkFlowCommentVo> buildCommentTree(List<WorkFlowComment> parentComments,
+                                                       List<WorkFlowComment> childComments,
+                                                       Map<Long, SysUser> userMap) {
+        // 按父ID分组子评论
+        Map<Long, List<WorkFlowComment>> childMap = new HashMap<>();
+        for (WorkFlowComment child : childComments) {
+            Long parentId = child.getParentId();
+            childMap.computeIfAbsent(parentId, k -> new ArrayList<>()).add(child);
         }
 
+        // 构建VO树
+        List<WorkFlowCommentVo> result = new ArrayList<>();
+        for (WorkFlowComment parent : parentComments) {
+            // 转换父评论VO
+            WorkFlowCommentVo parentVo = convertToVo(parent, userMap);
+            // 获取子评论VO列表
+            List<WorkFlowComment> children = childMap.getOrDefault(parent.getId(), new ArrayList<>());
+            List<WorkFlowCommentVo> childVos = new ArrayList<>();
+            for (WorkFlowComment child : children) {
+                childVos.add(convertToVo(child, userMap));
+            }
+            parentVo.setContentList(childVos);
+            result.add(parentVo);
+        }
+        return result;
+    }
+
+    /**
+     * 转换单个评论为VO对象
+     */
+    private WorkFlowCommentVo convertToVo(WorkFlowComment comment, Map<Long, SysUser> userMap) {
+        SysUser user = userMap.get(comment.getUserId());
+        if (user == null) {
+            user = createDefaultUser(); // 处理用户信息缺失
+        }
+
+        WorkFlowCommentVo vo = new WorkFlowCommentVo();
+        vo.setUserId(comment.getUserId());
+        vo.setUserName(user.getUserName());
+        vo.setUserAvatar(user.getAvatar());
+        vo.setCommentId(comment.getId());
+        vo.setContent(comment.getContent());
+        vo.setReplyUserId(comment.getReplyUserId());
+        vo.setLikeNum(comment.getLikeNum());
+        vo.setCreateTime(comment.getCreateTime());
+        return vo;
+    }
+
+    /**
+     * 创建默认用户（防止空指针）
+     */
+    private SysUser createDefaultUser() {
+        SysUser defaultUser = new SysUser();
+        defaultUser.setUserName("匿名用户");
+        defaultUser.setAvatar("/default-avatar.png");
+        return defaultUser;
+    }
+
+
 
 }