feat: 完整集成JWLLL搜索推荐系统到Merge项目
新增功能:
- 完整的JWLLL搜索推荐后端服务 (back_jwlll/)
- 前端智能搜索和推荐功能集成
- HomeFeed组件增强: 数据源切换(原始数据 ↔ 智能推荐)
- 新增PostDetailJWLLL和UploadPageJWLLL组件
- 新增search_jwlll.js API接口
技术特性:
- 标签推荐和协同过滤推荐算法
- 中文分词和Word2Vec语义搜索
- 100%向后兼容，原功能完全保留
- 独立服务架构，无冲突部署
集成内容:
- JWLLL后端服务配置和依赖
- 前端路由和组件更新
- 样式文件和API集成
- 项目文档和启动工具
Change-Id: I1d008cf04eee40e7d81bfb9109f933d3447d1760
diff --git a/Merge/front/src/style/PostDetail.css b/Merge/front/src/style/PostDetail.css
new file mode 100644
index 0000000..1be7126
--- /dev/null
+++ b/Merge/front/src/style/PostDetail.css
@@ -0,0 +1,436 @@
+/* 帖子详情页面容器 */
+.post-detail {
+ max-width: 800px;
+ margin: 0 auto;
+ background: #fff;
+ min-height: 100vh;
+ display: flex;
+ flex-direction: column;
+}
+
+/* 加载状态 */
+.loading-container {
+ display: flex;
+ flex-direction: column;
+ align-items: center;
+ justify-content: center;
+ padding: 60px 20px;
+ color: #666;
+}
+
+.loading-spinner {
+ width: 40px;
+ height: 40px;
+ border: 3px solid #f3f3f3;
+ border-top: 3px solid #ff4757;
+ border-radius: 50%;
+ animation: spin 1s linear infinite;
+ margin-bottom: 20px;
+}
+
+@keyframes spin {
+ 0% { transform: rotate(0deg); }
+ 100% { transform: rotate(360deg); }
+}
+
+/* 错误状态 */
+.error-container {
+ text-align: center;
+ padding: 60px 20px;
+ color: #666;
+}
+
+.error-container h2 {
+ margin-bottom: 16px;
+ color: #333;
+}
+
+/* 顶部导航栏 */
+.post-header {
+ display: flex;
+ justify-content: space-between;
+ align-items: center;
+ padding: 16px 20px;
+ border-bottom: 1px solid #eee;
+ background: #fff;
+ position: sticky;
+ top: 0;
+ z-index: 100;
+}
+
+.back-btn {
+ display: flex;
+ align-items: center;
+ gap: 8px;
+ padding: 8px 16px;
+ border: none;
+ background: #f8f9fa;
+ border-radius: 20px;
+ cursor: pointer;
+ transition: background-color 0.2s;
+ font-size: 14px;
+ color: #333;
+}
+
+.back-btn:hover {
+ background: #e9ecef;
+}
+
+.header-actions {
+ display: flex;
+ gap: 8px;
+}
+
+.action-btn {
+ display: flex;
+ align-items: center;
+ justify-content: center;
+ width: 40px;
+ height: 40px;
+ border: none;
+ background: #f8f9fa;
+ border-radius: 50%;
+ cursor: pointer;
+ transition: background-color 0.2s;
+ color: #666;
+}
+
+.action-btn:hover {
+ background: #e9ecef;
+}
+
+.action-btn.active {
+ background: #ff4757;
+ color: white;
+}
+
+/* 主要内容区 */
+.post-content {
+ flex: 1;
+ padding: 20px;
+}
+
+.post-title {
+ font-size: 24px;
+ font-weight: 700;
+ line-height: 1.4;
+ margin-bottom: 20px;
+ color: #333;
+}
+
+/* 帖子元信息 */
+.post-meta {
+ display: flex;
+ justify-content: space-between;
+ align-items: center;
+ margin-bottom: 20px;
+ padding-bottom: 16px;
+ border-bottom: 1px solid #f0f0f0;
+}
+
+.author-info {
+ display: flex;
+ align-items: center;
+ gap: 12px;
+}
+
+.avatar {
+ width: 40px;
+ height: 40px;
+ border-radius: 50%;
+ background: #ff4757;
+ color: white;
+ display: flex;
+ align-items: center;
+ justify-content: center;
+ font-weight: 600;
+ font-size: 16px;
+}
+
+.author-details {
+ display: flex;
+ flex-direction: column;
+ gap: 2px;
+}
+
+.author-name {
+ font-weight: 600;
+ color: #333;
+ font-size: 14px;
+}
+
+.post-date {
+ font-size: 12px;
+ color: #666;
+}
+
+.post-stats {
+ display: flex;
+ gap: 16px;
+}
+
+.stat-item {
+ display: flex;
+ align-items: center;
+ gap: 4px;
+ font-size: 14px;
+ color: #666;
+}
+
+/* 标签 */
+.post-tags {
+ display: flex;
+ flex-wrap: wrap;
+ gap: 8px;
+ margin-bottom: 20px;
+}
+
+.tag {
+ padding: 4px 12px;
+ background: #f8f9fa;
+ border-radius: 16px;
+ font-size: 12px;
+ color: #666;
+ border: 1px solid #e9ecef;
+}
+
+/* 帖子正文 */
+.post-body {
+ margin-bottom: 24px;
+ line-height: 1.6;
+ color: #333;
+ font-size: 16px;
+}
+
+.post-body p {
+ margin-bottom: 16px;
+}
+
+/* 类别信息 */
+.post-category {
+ margin-bottom: 20px;
+ padding: 12px;
+ background: #f8f9fa;
+ border-radius: 8px;
+ font-size: 14px;
+}
+
+.category-label {
+ color: #666;
+ font-weight: 500;
+}
+
+.category-name {
+ color: #333;
+ font-weight: 600;
+}
+
+/* 评论区 */
+.comments-section {
+ margin-top: 32px;
+ padding-top: 24px;
+ border-top: 1px solid #eee;
+}
+
+.comments-header {
+ margin-bottom: 20px;
+}
+
+.comments-toggle {
+ display: flex;
+ align-items: center;
+ gap: 8px;
+ padding: 10px 16px;
+ border: 1px solid #e9ecef;
+ background: #f8f9fa;
+ border-radius: 8px;
+ cursor: pointer;
+ transition: background-color 0.2s;
+ font-size: 14px;
+ color: #333;
+}
+
+.comments-toggle:hover {
+ background: #e9ecef;
+}
+
+.comments-content {
+ margin-top: 16px;
+}
+
+/* 评论表单 */
+.comment-form {
+ margin-bottom: 24px;
+ padding: 16px;
+ background: #f8f9fa;
+ border-radius: 8px;
+}
+
+.comment-input {
+ width: 100%;
+ padding: 12px;
+ border: 1px solid #dee2e6;
+ border-radius: 6px;
+ resize: vertical;
+ font-family: inherit;
+ font-size: 14px;
+ margin-bottom: 12px;
+ outline: none;
+ transition: border-color 0.2s;
+}
+
+.comment-input:focus {
+ border-color: #ff4757;
+}
+
+.comment-submit {
+ padding: 8px 16px;
+ background: #ff4757;
+ color: white;
+ border: none;
+ border-radius: 6px;
+ cursor: pointer;
+ font-size: 14px;
+ transition: background-color 0.2s;
+}
+
+.comment-submit:hover {
+ background: #e84c4a;
+}
+
+/* 评论列表 */
+.comments-list {
+ display: flex;
+ flex-direction: column;
+ gap: 16px;
+}
+
+.no-comments {
+ text-align: center;
+ color: #666;
+ font-style: italic;
+ padding: 32px 0;
+}
+
+.comment-item {
+ padding: 16px;
+ background: #fff;
+ border: 1px solid #e9ecef;
+ border-radius: 8px;
+}
+
+.comment-author {
+ display: flex;
+ align-items: center;
+ gap: 8px;
+ margin-bottom: 8px;
+}
+
+.comment-avatar {
+ width: 32px;
+ height: 32px;
+ border-radius: 50%;
+ background: #6c757d;
+ color: white;
+ display: flex;
+ align-items: center;
+ justify-content: center;
+ font-weight: 600;
+ font-size: 14px;
+}
+
+.comment-name {
+ font-weight: 600;
+ color: #333;
+ font-size: 14px;
+}
+
+.comment-time {
+ font-size: 12px;
+ color: #666;
+ margin-left: auto;
+}
+
+.comment-content {
+ font-size: 14px;
+ line-height: 1.5;
+ color: #333;
+ margin-left: 40px;
+}
+
+/* 底部操作栏 */
+.post-footer {
+ padding: 16px 20px;
+ border-top: 1px solid #eee;
+ background: #fff;
+ position: sticky;
+ bottom: 0;
+}
+
+.action-bar {
+ display: flex;
+ justify-content: space-around;
+ align-items: center;
+ max-width: 400px;
+ margin: 0 auto;
+}
+
+.action-button {
+ display: flex;
+ flex-direction: column;
+ align-items: center;
+ gap: 4px;
+ padding: 8px 12px;
+ border: none;
+ background: transparent;
+ cursor: pointer;
+ transition: color 0.2s;
+ color: #666;
+ font-size: 12px;
+}
+
+.action-button:hover {
+ color: #333;
+}
+
+.action-button.liked {
+ color: #ff4757;
+}
+
+.action-button.bookmarked {
+ color: #ffa502;
+}
+
+/* 响应式设计 */
+@media (max-width: 768px) {
+ .post-detail {
+ margin: 0;
+ }
+
+ .post-content {
+ padding: 16px;
+ }
+
+ .post-title {
+ font-size: 20px;
+ }
+
+ .post-meta {
+ flex-direction: column;
+ align-items: flex-start;
+ gap: 12px;
+ }
+
+ .post-stats {
+ align-self: flex-end;
+ }
+
+ .action-bar {
+ max-width: none;
+ }
+
+ .comment-content {
+ margin-left: 0;
+ margin-top: 8px;
+ }
+}