From 0fc3a5e109b8070d270fbb7fcf57cfe10f91df2f Mon Sep 17 00:00:00 2001
From: lee-zt <2960166273@qq.com>
Date: Thu, 29 May 2025 23:24:26 +0800
Subject: [PATCH] =?UTF-8?q?=E5=8F=91=E9=80=81=E8=AF=84=E8=AE=BA?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../vue-frontend/src/stores/postdetail.js     |  59 ++++++++++
 .../vue-frontend/src/views/PostDetail.vue     | 101 +++++++++++++-----
 2 files changed, 135 insertions(+), 25 deletions(-)

diff --git a/珞珈岛-项目相关文件/luojia-island/vue-frontend/src/stores/postdetail.js b/珞珈岛-项目相关文件/luojia-island/vue-frontend/src/stores/postdetail.js
index 45f66cb..87083b6 100644
--- a/珞珈岛-项目相关文件/luojia-island/vue-frontend/src/stores/postdetail.js
+++ b/珞珈岛-项目相关文件/luojia-island/vue-frontend/src/stores/postdetail.js
@@ -169,5 +169,64 @@ export const usePostDetailStore = defineStore("postDetail", {
         this.detailLoading = false;
       }
     },
+    // 发送评论或回复
+    async sendComment(newCommentData) {
+      if (!content || !this.post?.postId) return;
+      const RequestData = {
+        id: null,
+        postId: newCommentData.postId, // 帖子ID
+        content: newCommentData.content, // 评论内容
+        parentCommentId: newCommentData.parentCommentId, // 如果是一级评论则为0
+      };
+      try {
+        const res = await request.post('/comment', RequestData);
+        if (res.code === 200) {
+          const commentObj = {
+            id: res.data.id,
+            content: newCommentData.content,
+            userId: newCommentData.userId,
+            userName: newCommentData.userName,
+            userAvatar: newCommentData.userAvatar,
+            createTime: new Date().toISOString(),
+            likeCount: 0,
+            replyCount: 0,
+            postId: this.post.postId,
+            parentCommentId: newCommentData.parentCommentId,
+            topId: newCommentData.topId,
+            isLike: 0,
+            replies: [],
+            repliesLastVal: 0,
+            repliesOffset: 0,
+            repliesSize: 5,
+            repliesFinished: false,
+            repliesLoading: false,
+          };
+          // 新增评论后刷新评论列表或插入到对应位置
+          if (!parentCommentId) {
+            // 一级评论，插入到最前面
+            this.comments.unshift(commentObj);
+            this.post.commentCount = (this.post.commentCount || 0) + 1; // 更新帖子评论数
+          } else {
+            // 回复评论，插入到对应父评论的 replies
+            // 先找顶级父评论
+            let parent = this.comments.find(c => c.id === commentObj.parentCommentId || c.id === commentObj.topId);
+            // 如果是二级及以上回复，需递归查找
+            if (!parent && commentObj.topId) {
+              parent = this.comments.find(c => c.id === commentObj.topId);
+            }
+            if (parent) {
+              parent.replies.unshift(commentObj);
+              parent.replyCount = (parent.replyCount || 0) + 1;
+            }
+          }
+          console.log("评论成功:", res);
+        }else {
+          console.error("评论失败:", res);
+          ElMessage.error(res.message || '评论失败');
+        }
+      } catch (e) {
+        alert(e.response?.message || '发送评论失败，请稍后重试');
+      }
+    },
   },
 });
\ No newline at end of file
diff --git a/珞珈岛-项目相关文件/luojia-island/vue-frontend/src/views/PostDetail.vue b/珞珈岛-项目相关文件/luojia-island/vue-frontend/src/views/PostDetail.vue
index 0b079f4..86b5f46 100644
--- a/珞珈岛-项目相关文件/luojia-island/vue-frontend/src/views/PostDetail.vue
+++ b/珞珈岛-项目相关文件/luojia-island/vue-frontend/src/views/PostDetail.vue
@@ -35,25 +35,34 @@
                     <img :src="comment.userAvatar || require('@/assets/default-avatar/boy_1.png')" alt="评论者头像" class="comment-avatar" />
                     <div class="comment-content">
                         <p class="comment-name">{{ comment.userName }}</p>
-                    <p class="comment-text">{{ comment.content }}</p>
-                    <div class="comment-meta">
-                        <span class="comment-time">{{ comment.createTime ? formatTime(comment.createTime) : '' }}</span>
-                        <span class="comment-likes">赞 {{ comment.likeCount ?? 0 }}</span>
-                        <span v-if="comment.replyCount > 0">
-                        <button @click="loadReplies(comment)">
-                            {{ comment.replies.length > 0 ? '收起回复' : '展开回复' }} ({{ comment.replyCount }})
-                        </button>
-                        </span>
-                    </div>
-                    <!-- 子评论列表 -->
-                    <ul v-if="comment.replies.length > 0" class="replies-list">
-                        <li v-for="reply in comment.replies" :key="reply.id" class="reply-item">
-                        <span class="reply-user">{{ reply.userName }}：</span>
-                        <span class="reply-content">{{ reply.content }}</span>
-                        </li>
-                        <li v-if="comment.repliesLoading" class="reply-loading">加载中...</li>
-                        <li v-if="comment.repliesFinished" class="reply-finished">没有更多回复了</li>
-                    </ul>
+                        <p class="comment-text">{{ comment.content }}</p>
+                        <div class="comment-meta">
+                            <span class="comment-time">{{ comment.createTime ? formatTime(comment.createTime) : '' }}</span>
+                            <span class="comment-likes">赞 {{ comment.likeCount ?? 0 }}</span>
+                            <span v-if="comment.replyCount > 0">
+                            <button @click="loadReplies(comment)">
+                                {{ comment.replies.length > 0 ? '收起回复' : '展开回复' }} ({{ comment.replyCount }})
+                            </button>
+                            </span>
+                            <button class="reply-btn" @click="startReply(comment)">回复</button>
+                        </div>
+                        <!-- 子评论列表 -->
+                        <ul v-if="comment.replies.length > 0" class="replies-list">
+                            <li v-for="reply in comment.replies" :key="reply.id" class="comment-item reply-item">
+                                <img :src="reply.userAvatar" alt="评论者头像" class="comment-avatar" />
+                                <div class="comment-content">
+                                    <p class="comment-name">{{ reply.userName }}</p>
+                                    <p class="comment-text">{{ reply.content }}</p>
+                                    <div class="comment-meta">
+                                        <span class="comment-time">{{ reply.createTime ? formatTime(reply.createTime) : '' }}</span>
+                                        <span class="comment-likes">赞 {{ reply.likeCount ?? 0 }}</span>
+                                        <button class="reply-btn" @click="startReply(reply)">回复</button>
+                                    </div>
+                                </div>
+                            </li>
+                            <li v-if="comment.repliesLoading" class="reply-loading">加载中...</li>
+                            <li v-if="comment.repliesFinished" class="reply-finished">没有更多回复了</li>
+                        </ul>
                     </div>
                 </li>
             </ul>
@@ -61,6 +70,10 @@
 
         <!-- 发送评论 -->
         <div class="comment-box">
+            <div v-if="replyingComment" class="replying-tip">
+                正在回复 @{{ replyingComment.userName }}
+                <button class="cancel-reply-btn" @click="cancelReply">取消回复</button>
+            </div>
             <textarea
                 v-model="newComment"
                 placeholder="写下你的评论..."
@@ -81,14 +94,23 @@ const route = useRoute();
 const postDetailStore = usePostDetailStore();
 const userStore = useUserStore(); // 如果需要用户信息
 const newComment = ref('');
+const replyingComment = ref(null); // 当前正在回复的评论对象，null 表示发一级评论
 
-// 作者信息（如不需要可移除）
+//
 const author = postDetailStore.post?.author ;
 const isFollowing = ref(false);
 const toggleFollow = () => {
   isFollowing.value = !isFollowing.value;
 };
 
+// 点击“回复”按钮时调用
+function startReply(comment) {
+  replyingComment.value = comment;
+}
+// 取消回复
+function cancelReply() {
+  replyingComment.value = null;
+}
 // 时间格式化
 function formatTime(timeStr) {
   const date = new Date(timeStr);
@@ -106,7 +128,6 @@ function handleScroll() {
     postDetailStore.fetchComments();
   }
 }
-
 // 子评论加载（点击“展开回复”时调用）
 function loadReplies(comment) {
   if (!comment.repliesLoading && !comment.repliesFinished) {
@@ -114,21 +135,27 @@ function loadReplies(comment) {
   }
 }
 
-// 发送评论（这里只做前端追加，实际应调用后端接口）
+// 发送评论
 const sendComment = () => {
   if (!userStore.isLoggedIn) {
     alert('请先登录后再评论');
     return;
   }
   if (newComment.value.trim()) {
-    postDetailStore.addComment({
+    const newCommentData = {
+      content: newComment.value,
       userAvatar: userStore.userInfo.avatar,
       userName: userStore.userInfo.username,
       userId: userStore.userInfo.userid,
-      content: newComment.value,
       createTime: new Date().toISOString(),
       likeCount: 0,
-    });
+      replyCount: 0,
+      postId: postDetailStore.post.id,
+      parentCommentId: replyingComment.value ? replyingComment.value.id : null, // 如果是回复评论，则设置 parentCommentId
+      topId: null,
+      isLike: false,
+    }
+    postDetailStore.addComment(newCommentData);
     newComment.value = '';
   }
 };
@@ -405,4 +432,28 @@ onUnmounted(() => {
     padding: 6px 0;
     text-align: left;
 }
+.replying-tip {
+    color: #409eff;
+    margin-bottom: 6px;
+    font-size: 14px;
+}
+.cancel-reply-btn {
+    background: none;
+    border: none;
+    color: #f56c6c;
+    margin-left: 8px;
+    cursor: pointer;
+    font-size: 13px;
+}
+.reply-btn {
+    background: none;
+    border: none;
+    color: #409eff;
+    cursor: pointer;
+    font-size: 13px;
+    margin-left: 10px;
+}
+.reply-btn:hover {
+    text-decoration: underline;
+}
 </style>
\ No newline at end of file