feat: 添加分类的行内编辑和更新功能

src/routes/admin/categories/+page.server.ts

@@ -139,5 +139,33 @@ export const actions: Actions = {
 			console.error('Error deleting category:', err);
 			return { success: false, error: '删除分类失败' };
 		}
+	},
+
+	update: async ({ request, platform }) => {
+		const db = platform?.env?.DB as any;
+		if (!db) return fail(500, { error: '数据库未连接' });
+
+		const formData = await request.formData();
+		const id = formData.get('id');
+		const name = formData.get('name')?.toString().trim();
+		const slug = formData.get('slug')?.toString().trim();
+
+		if (!id || !name || !slug) {
+			return fail(400, { error: '分类 ID、名称和 URL 别名为必填项' });
+		}
+
+		try {
+			await db
+				.prepare('UPDATE categories SET name = ?, slug = ? WHERE id = ?')
+				.bind(name, slug, id)
+				.run();
+			return { success: true };
+		} catch (err: unknown) {
+			console.error('Error updating category:', err);
+			if ((err as any)?.message?.includes('UNIQUE constraint failed')) {
+				return fail(400, { error: '分类名称或 URL 别名已存在' });
+			}
+			return fail(500, { error: '更新分类失败' });
+		}
 	}
 };

src/routes/admin/categories/+page.svelte

@@ -11,6 +11,8 @@
 	let isSlugUserModified = $state(false);
 	let isGenerating = $state(false);
 
+	let editingId = $state<number | null>(null);
+
 	const slugHandler = createSlugAutoHandler({
 		getSlug: () => slug,
 		setSlug: (val) => (slug = val),
@@ -104,34 +106,88 @@
 					{#each data.categories as category (category.id || category)}
 						<tr>
 							<td>{category.id}</td>
-							<td><strong>{category.name}</strong></td>
-							<td><span class="badge">{category.slug}</span></td>
+							<td>
+								{#if editingId === category.id}
+									<input
+										type="text"
+										name="name"
+										value={category.name}
+										form="edit-form-{category.id}"
+										required
+										class="edit-input"
+									/>
+								{:else}
+									<strong>{category.name}</strong>
+								{/if}
+							</td>
+							<td>
+								{#if editingId === category.id}
+									<input
+										type="text"
+										name="slug"
+										value={category.slug}
+										form="edit-form-{category.id}"
+										required
+										class="edit-input"
+									/>
+								{:else}
+									<span class="badge">{category.slug}</span>
+								{/if}
+							</td>
 							<td><span class="badge">{category.post_count} 篇文章</span></td>
 							<td>
-								<form
-									action="?/delete"
-									method="POST"
-									class="inline-form"
-									onsubmit={async (e) => {
-										if ((e.target as HTMLFormElement).dataset.confirmed === 'true') {
-											(e.target as HTMLFormElement).removeAttribute('data-confirmed');
-											return;
-										}
-										e.preventDefault();
-										const form = e.target as HTMLFormElement;
-										const submitter = e.submitter;
-										const confirmed = await confirmState.show(
-											`确定要删除${$page.data.aliases?.category || '分类'} "${category.name}" 吗？删除后相关文章将归为未${$page.data.aliases?.category || '分类'}。`
-										);
-										if (confirmed) {
-											form.dataset.confirmed = 'true';
-											form.requestSubmit(submitter);
-										}
-									}}
-								>
-									<input type="hidden" name="id" value={category.id} />
-									<button type="submit" class="action-btn delete">删除</button>
-								</form>
+								{#if editingId === category.id}
+									<form
+										id="edit-form-{category.id}"
+										action="?/update"
+										method="POST"
+										class="inline-form"
+										onsubmit={() => {
+											// will submit naturally, just reset editingId
+											setTimeout(() => {
+												editingId = null;
+											}, 0);
+										}}
+									>
+										<input type="hidden" name="id" value={category.id} />
+										<button type="submit" class="action-btn">保存</button>
+									</form>
+									<button type="button" class="action-btn" onclick={() => (editingId = null)}>
+										取消
+									</button>
+								{:else}
+									<button
+										type="button"
+										class="action-btn"
+										onclick={() => (editingId = category.id)}
+									>
+										编辑
+									</button>
+									<form
+										action="?/delete"
+										method="POST"
+										class="inline-form"
+										onsubmit={async (e) => {
+											if ((e.target as HTMLFormElement).dataset.confirmed === 'true') {
+												(e.target as HTMLFormElement).removeAttribute('data-confirmed');
+												return;
+											}
+											e.preventDefault();
+											const form = e.target as HTMLFormElement;
+											const submitter = e.submitter;
+											const confirmed = await confirmState.show(
+												`确定要删除${$page.data.aliases?.category || '分类'} "${category.name}" 吗？删除后相关文章将归为未${$page.data.aliases?.category || '分类'}。`
+											);
+											if (confirmed) {
+												form.dataset.confirmed = 'true';
+												form.requestSubmit(submitter);
+											}
+										}}
+									>
+										<input type="hidden" name="id" value={category.id} />
+										<button type="submit" class="action-btn delete">删除</button>
+									</form>
+								{/if}
 							</td>
 						</tr>
 					{/each}
@@ -322,4 +378,21 @@
 		text-align: center;
 		color: var(--text-muted, rgba(0, 0, 0, 0.6));
 	}
+
+	.edit-input {
+		width: 100%;
+		padding: 6px 8px;
+		border: 1px solid rgba(0, 0, 0, 0.2);
+		background: transparent;
+		font-family: inherit;
+		font-size: 0.95rem;
+		color: var(--text-color);
+		box-sizing: border-box;
+		border-radius: 4px;
+	}
+
+	.edit-input:focus {
+		outline: none;
+		border-color: var(--accent-color, #419b38);
+	}
 </style>