From ffd2b390f0cb57f866dbc69e2fff657ab32b7b3d Mon Sep 17 00:00:00 2001
From: DiheChen <michikawachin@outlook.com>
Date: Mon, 9 Nov 2026 21:31:18 +0800
Subject: [PATCH] feat: save songs to my playlists from the player, queue and
 history

---
 web/src/app/main.tsx                          |   3 +-
 web/src/features/history/history-page.tsx     |   2 +
 web/src/features/playback/playback.css        |   2 +-
 web/src/features/playback/player-bar.tsx      |  18 +-
 .../features/playlists/account-settings.ts    |  10 ++
 .../playlists/create-playlist-form.tsx        |  41 +++++
 web/src/features/playlists/index.ts           |   3 +
 web/src/features/playlists/playlist-cover.tsx |  26 +++
 .../features/playlists/playlist-sort.test.ts  |  69 ++++++++
 web/src/features/playlists/playlist-sort.ts   |  35 ++++
 web/src/features/playlists/playlists.css      |  24 +++
 web/src/features/playlists/save-label.ts      |   5 +
 .../features/playlists/save-to-playlist.tsx   | 165 ++++++++++++++++++
 web/src/features/queue/queue-page.tsx         |  30 ++--
 14 files changed, 419 insertions(+), 14 deletions(-)
 create mode 100644 web/src/features/playlists/account-settings.ts
 create mode 100644 web/src/features/playlists/create-playlist-form.tsx
 create mode 100644 web/src/features/playlists/playlist-cover.tsx
 create mode 100644 web/src/features/playlists/playlist-sort.test.ts
 create mode 100644 web/src/features/playlists/playlist-sort.ts
 create mode 100644 web/src/features/playlists/playlists.css
 create mode 100644 web/src/features/playlists/save-label.ts
 create mode 100644 web/src/features/playlists/save-to-playlist.tsx

diff --git a/web/src/app/main.tsx b/web/src/app/main.tsx
index 1fb0b4c..996fec4 100644
--- a/web/src/app/main.tsx
+++ b/web/src/app/main.tsx
@@ -5,7 +5,7 @@ import { chatStore } from '@/features/chat'
 import { historyStore } from '@/features/history'
 import { lyricsStore } from '@/features/lyrics'
 import { playerStore, reminderStore, volumeStore } from '@/features/playback'
-import { playlistsStore } from '@/features/playlists'
+import { playlistsStore, setAccountSettingsOpener } from '@/features/playlists'
 import { roomEntryStore } from '@/features/rooms'
 import { searchStore } from '@/features/search'
 import { appearanceStore, performanceStore, profileStore } from '@/features/settings'
@@ -28,6 +28,7 @@ volumeStore.start()
 brandStore.start()
 profileStore.start()
 playlistsStore.start()
+setAccountSettingsOpener(() => navigationStore.open('settings'))
 playerStore.start()
 reminderStore.start()
 historyStore.start()
diff --git a/web/src/features/history/history-page.tsx b/web/src/features/history/history-page.tsx
index 245d0c6..c0dcf39 100644
--- a/web/src/features/history/history-page.tsx
+++ b/web/src/features/history/history-page.tsx
@@ -2,6 +2,7 @@ import type { PlayRecord } from './records'
 import { CirclePlus, Download, History, Search, Trash2 } from 'lucide-react'
 import { useState } from 'react'
 import { roomStore, sameTrack } from '@/core/room'
+import { SaveToPlaylistButton } from '@/features/playlists'
 import { enqueue, sourceName } from '@/features/queue'
 import { bookTitle } from '@/shared/lib/book-title'
 import { formatClock } from '@/shared/lib/time'
@@ -46,6 +47,7 @@ function HistoryRow({ record, compact, connected, playing }: { record: PlayRecor
           await enqueue(record.track)
         }}
       />
+      <SaveToPlaylistButton track={record.track} title={title} className="song-action song-action-secondary" />
       <IconButton
         icon={Trash2}
         className="song-action song-action-secondary"
diff --git a/web/src/features/playback/playback.css b/web/src/features/playback/playback.css
index db055c8..aa16979 100644
--- a/web/src/features/playback/playback.css
+++ b/web/src/features/playback/playback.css
@@ -43,7 +43,7 @@
   .playback-progress { position: absolute; left: 0; right: 0; bottom: 0; margin-top: 0; }
   .player-center { flex-shrink: 0; }
   .player-track { position: static; }
-  .player-time { top: 30px; right: 54px; }
+  .player-time { top: 30px; right: 90px; }
   .progress-track { height: 2px; border-radius: 0 0 8px 8px; }
   .player-tools { display: none; }
 }
diff --git a/web/src/features/playback/player-bar.tsx b/web/src/features/playback/player-bar.tsx
index a090bd6..04cc463 100644
--- a/web/src/features/playback/player-bar.tsx
+++ b/web/src/features/playback/player-bar.tsx
@@ -1,6 +1,8 @@
-import { ListMusic, MessageCircle, SkipForward, Volume2, VolumeX } from 'lucide-react'
-import { useEffect, useRef } from 'react'
+import type { Track } from '@/core/realtime'
+import { ListMusic, ListPlus, MessageCircle, SkipForward, Volume2, VolumeX } from 'lucide-react'
+import { useEffect, useRef, useState } from 'react'
 import { roomStore } from '@/core/room'
+import { SaveToPlaylistDialog, saveToPlaylistLabel } from '@/features/playlists'
 import { sourceName } from '@/features/queue'
 import { formatDuration } from '@/shared/lib/time'
 import { useStore } from '@/shared/lib/use-store'
@@ -69,6 +71,8 @@ export function PlayerBar({ onSkip, onLyrics, onQueue, onChat, queueOpen, chatOp
   const artist = meta?.artist || '未知艺术家'
   const source = nowPlaying ? sourceName(nowPlaying.entry.track) : undefined
   const note = nowPlaying?.entry.by ? `${nowPlaying.entry.by.name} 点的歌` : undefined
+  // 记下打开时的歌：对话框开着时换了歌，或者这首播完了，勾选仍然作用于打开时的那首。
+  const [saving, setSaving] = useState<{ track: Track, title: string } | null>(null)
   return (
     <section className="player-bar" aria-label="播放器">
       <button type="button" className="player-artwork" onClick={onLyrics} aria-label="查看歌词">
@@ -87,6 +91,15 @@ export function PlayerBar({ onSkip, onLyrics, onQueue, onChat, queueOpen, chatOp
       </div>
       <div className="player-right">
         <div className="player-center">
+          <IconButton
+            icon={ListPlus}
+            label={meta ? saveToPlaylistLabel(meta.title) : '保存到歌单'}
+            disabled={!nowPlaying}
+            onClick={() => {
+              if (nowPlaying)
+                setSaving({ track: nowPlaying.entry.track, title: nowPlaying.entry.meta.title })
+            }}
+          />
           <AsyncIconButton icon={SkipForward} label="投票切歌" disabled={!nowPlaying || !connected} onAction={onSkip} />
         </div>
         <div className="player-tools">
@@ -112,6 +125,7 @@ export function PlayerBar({ onSkip, onLyrics, onQueue, onChat, queueOpen, chatOp
           <IconButton icon={ListMusic} label="播放列表" className="player-panel-toggle" disabled={!canOpenPanels} aria-pressed={queueOpen} onClick={onQueue} />
         </div>
       </div>
+      {saving && <SaveToPlaylistDialog track={saving.track} title={saving.title} onClose={() => setSaving(null)} />}
     </section>
   )
 }
diff --git a/web/src/features/playlists/account-settings.ts b/web/src/features/playlists/account-settings.ts
new file mode 100644
index 0000000..0905973
--- /dev/null
+++ b/web/src/features/playlists/account-settings.ts
@@ -0,0 +1,10 @@
+// 游客在保存对话框里点“去账号设置”时打开账号设置。设置页在哪里、怎样打开由应用壳决定，启动时设置。
+let open = (): void => {}
+
+export function openAccountSettings(): void {
+  open()
+}
+
+export function setAccountSettingsOpener(opener: () => void): void {
+  open = opener
+}
diff --git a/web/src/features/playlists/create-playlist-form.tsx b/web/src/features/playlists/create-playlist-form.tsx
new file mode 100644
index 0000000..8acbe54
--- /dev/null
+++ b/web/src/features/playlists/create-playlist-form.tsx
@@ -0,0 +1,41 @@
+import type { MyPlaylist } from '@/core/realtime'
+import { useState } from 'react'
+import { playlistsStore } from './playlists-store'
+
+export function CreatePlaylistForm({ onCreated, onCancel }: { onCreated: (playlist: MyPlaylist) => void, onCancel: () => void }) {
+  const [name, setName] = useState('')
+  const [saving, setSaving] = useState(false)
+  return (
+    <form
+      className="form-stack"
+      onKeyDown={(event) => {
+        if (event.key !== 'Escape' || event.nativeEvent.isComposing)
+          return
+        // 拦下对话框的 Esc：在“保存到歌单”里，Esc 只回到列表。
+        event.preventDefault()
+        onCancel()
+      }}
+      onSubmit={async (event) => {
+        event.preventDefault()
+        if (saving)
+          return
+        setSaving(true)
+        const playlist = await playlistsStore.create(name)
+        if (playlist)
+          onCreated(playlist)
+        else
+          setSaving(false)
+      }}
+    >
+      <label>
+        歌单名
+        {/* 刚打开的 Modal 按 data-autofocus 聚焦；在已经打开的对话框里切换过来时，由 autoFocus 聚焦。 */}
+        <input data-autofocus autoFocus required maxLength={50} value={name} onChange={event => setName(event.target.value)} />
+      </label>
+      <div className="dialog-actions">
+        <button type="button" className="button-secondary" onClick={onCancel}>取消</button>
+        <button type="submit" className="button-primary" disabled={saving || name.trim() === ''}>创建</button>
+      </div>
+    </form>
+  )
+}
diff --git a/web/src/features/playlists/index.ts b/web/src/features/playlists/index.ts
index 277bca5..f544eac 100644
--- a/web/src/features/playlists/index.ts
+++ b/web/src/features/playlists/index.ts
@@ -1 +1,4 @@
+export { setAccountSettingsOpener } from './account-settings'
 export { playlistsStore } from './playlists-store'
+export { saveToPlaylistLabel } from './save-label'
+export { SaveToPlaylistButton, SaveToPlaylistDialog } from './save-to-playlist'
diff --git a/web/src/features/playlists/playlist-cover.tsx b/web/src/features/playlists/playlist-cover.tsx
new file mode 100644
index 0000000..f967936
--- /dev/null
+++ b/web/src/features/playlists/playlist-cover.tsx
@@ -0,0 +1,26 @@
+import { Music2, Star } from 'lucide-react'
+import { useState } from 'react'
+
+export function FavoritesMark({ size = 14 }: { size?: number }) {
+  return <Star className="playlist-favorites-mark" size={size} fill="currentColor" strokeWidth={1.5} aria-hidden="true" />
+}
+
+function FilledStar() {
+  return <Star fill="currentColor" strokeWidth={1.5} aria-hidden="true" />
+}
+
+export function PlaylistCover({ cover, favorites, size }: { cover: string | null, favorites: boolean, size: 'sm' | 'md' | 'lg' }) {
+  const [failedSrc, setFailedSrc] = useState<string>()
+  if (!cover || cover === failedSrc) {
+    return (
+      <span className={`playlist-cover playlist-cover-${size}`} data-favorites={favorites || undefined}>
+        {favorites ? <FilledStar /> : <Music2 strokeWidth={1.5} aria-hidden="true" />}
+      </span>
+    )
+  }
+  return (
+    <span className={`playlist-cover playlist-cover-${size}`}>
+      <img src={cover} alt="" loading="lazy" decoding="async" onError={() => setFailedSrc(cover)} />
+    </span>
+  )
+}
diff --git a/web/src/features/playlists/playlist-sort.test.ts b/web/src/features/playlists/playlist-sort.test.ts
new file mode 100644
index 0000000..e323ac0
--- /dev/null
+++ b/web/src/features/playlists/playlist-sort.test.ts
@@ -0,0 +1,69 @@
+import type { PlaylistSort } from './playlist-sort'
+import type { MyPlaylist } from '@/core/realtime'
+import { describe, expect, it } from 'vitest'
+import { sortPlaylists } from './playlist-sort'
+
+function playlist(id: string, name: string, trackCount: number, createdAtMs: number, updatedAtMs: number, favorites = false): MyPlaylist {
+  return { id, name, favorites, trackCount, createdAtMs, updatedAtMs, coverUrl: null }
+}
+
+const favorites = playlist('p0', '我喜欢', 3, 50, 50, true)
+const commute = playlist('p1', '通勤', 36, 100, 400)
+const chill = playlist('p2', 'Chill', 5, 200, 300)
+const running = playlist('p3', '晨跑', 12, 300, 200)
+const night = playlist('p4', '安静的夜晚', 0, 400, 500)
+const all = [commute, favorites, chill, running, night]
+
+function names(sort: PlaylistSort, list: MyPlaylist[] = all): string[] {
+  return sortPlaylists(list, sort).map(p => p.name)
+}
+
+describe('sortPlaylists', () => {
+  it('按名称排序，中文按拼音', () => {
+    expect(names({ key: 'name', order: 'asc' })).toEqual(['我喜欢', '安静的夜晚', '晨跑', '通勤', 'Chill'])
+    expect(names({ key: 'name', order: 'desc' })).toEqual(['我喜欢', 'Chill', '通勤', '晨跑', '安静的夜晚'])
+  })
+
+  it('名称里的数字按大小排', () => {
+    const list = [playlist('a', '歌单 10', 0, 1, 1), playlist('b', '歌单 2', 0, 2, 2)]
+    expect(names({ key: 'name', order: 'asc' }, list)).toEqual(['歌单 2', '歌单 10'])
+  })
+
+  it('按创建时间排序', () => {
+    expect(names({ key: 'createdAt', order: 'desc' })).toEqual(['我喜欢', '安静的夜晚', '晨跑', 'Chill', '通勤'])
+    expect(names({ key: 'createdAt', order: 'asc' })).toEqual(['我喜欢', '通勤', 'Chill', '晨跑', '安静的夜晚'])
+  })
+
+  it('按更新时间排序', () => {
+    expect(names({ key: 'updatedAt', order: 'desc' })).toEqual(['我喜欢', '安静的夜晚', '通勤', 'Chill', '晨跑'])
+    expect(names({ key: 'updatedAt', order: 'asc' })).toEqual(['我喜欢', '晨跑', 'Chill', '通勤', '安静的夜晚'])
+  })
+
+  it('按歌曲数排序', () => {
+    expect(names({ key: 'trackCount', order: 'desc' })).toEqual(['我喜欢', '通勤', '晨跑', 'Chill', '安静的夜晚'])
+    expect(names({ key: 'trackCount', order: 'asc' })).toEqual(['我喜欢', '安静的夜晚', 'Chill', '晨跑', '通勤'])
+  })
+
+  it('“我喜欢”的值排在最后时也置顶', () => {
+    const empty = { ...favorites, name: '我喜欢', trackCount: 0, updatedAtMs: 0 }
+    expect(sortPlaylists([commute, empty], { key: 'trackCount', order: 'desc' })[0]).toBe(empty)
+    expect(sortPlaylists([commute, empty], { key: 'updatedAt', order: 'desc' })[0]).toBe(empty)
+  })
+
+  it('值相同时依次按创建时间、id 排，与输入顺序无关', () => {
+    const a = playlist('p7', '收藏', 4, 100, 900)
+    const b = playlist('p5', '收藏', 4, 200, 900)
+    const c = playlist('p6', '收藏', 4, 200, 900)
+    for (const key of ['name', 'updatedAt', 'trackCount'] as const) {
+      expect(sortPlaylists([c, b, a], { key, order: 'asc' })).toEqual([a, b, c])
+      expect(sortPlaylists([a, c, b], { key, order: 'asc' })).toEqual([a, b, c])
+      expect(sortPlaylists([b, a, c], { key, order: 'desc' })).toEqual([c, b, a])
+    }
+  })
+
+  it('不改动传入的数组', () => {
+    const list = [commute, favorites, chill]
+    sortPlaylists(list, { key: 'name', order: 'asc' })
+    expect(list).toEqual([commute, favorites, chill])
+  })
+})
diff --git a/web/src/features/playlists/playlist-sort.ts b/web/src/features/playlists/playlist-sort.ts
new file mode 100644
index 0000000..a504896
--- /dev/null
+++ b/web/src/features/playlists/playlist-sort.ts
@@ -0,0 +1,35 @@
+import type { MyPlaylist } from '@/core/realtime'
+
+export type SortKey = 'name' | 'createdAt' | 'updatedAt' | 'trackCount'
+export type SortOrder = 'asc' | 'desc'
+
+export interface PlaylistSort {
+  key: SortKey
+  order: SortOrder
+}
+
+const collator = new Intl.Collator('zh-Hans-CN', { numeric: true, sensitivity: 'base' })
+
+function compareBy(key: SortKey, a: MyPlaylist, b: MyPlaylist): number {
+  switch (key) {
+    case 'name':
+      return collator.compare(a.name, b.name)
+    case 'createdAt':
+      return a.createdAtMs - b.createdAtMs
+    case 'updatedAt':
+      return a.updatedAtMs - b.updatedAtMs
+    case 'trackCount':
+      return a.trackCount - b.trackCount
+  }
+}
+
+function compareIds(a: MyPlaylist, b: MyPlaylist): number {
+  return a.id < b.id ? -1 : a.id > b.id ? 1 : 0
+}
+
+// 方向作用于整个排序键，反向得到的正好是倒过来的列表；“我喜欢”不参与，始终在最前。
+export function sortPlaylists(list: readonly MyPlaylist[], { key, order }: PlaylistSort): MyPlaylist[] {
+  const sign = order === 'asc' ? 1 : -1
+  return [...list].sort((a, b) => Number(b.favorites) - Number(a.favorites)
+    || sign * (compareBy(key, a, b) || a.createdAtMs - b.createdAtMs || compareIds(a, b)))
+}
diff --git a/web/src/features/playlists/playlists.css b/web/src/features/playlists/playlists.css
new file mode 100644
index 0000000..4a65a45
--- /dev/null
+++ b/web/src/features/playlists/playlists.css
@@ -0,0 +1,24 @@
+.save-playlist-subject { margin-bottom: 12px; }
+.save-playlist-list { display: flex; flex-direction: column; gap: 2px; max-height: min(52dvh, 432px); margin: 0 -12px; padding: 0; overflow-y: auto; overscroll-behavior: contain; list-style: none; }
+.save-playlist-row { display: flex; align-items: center; gap: 12px; min-height: 52px; padding: 6px 12px; border-radius: 8px; cursor: pointer; }
+.save-playlist-row:hover { background: var(--color-surface-hover); }
+.save-playlist-row:has(input:focus-visible) { outline: 2px solid var(--color-brand); outline-offset: -2px; }
+.save-playlist-row > .playlist-cover-sm { width: 36px; }
+.save-playlist-name { display: flex; flex: 1; align-items: center; gap: 6px; min-width: 0; }
+.save-playlist-row > .muted { flex-shrink: 0; font-variant-numeric: tabular-nums; }
+/* 勾选框的位置空着，加号图块和上面各行的封面对齐。 */
+.save-playlist-new { width: 100%; padding-left: 40px; border: 0; background: none; color: inherit; text-align: left; }
+.save-playlist-new:focus-visible { outline-offset: -2px; }
+.save-playlist-new-tile { display: grid; place-items: center; width: 36px; aspect-ratio: 1; border-radius: 8px; color: var(--color-foreground-subtle); }
+.save-playlist-new-tile > svg { width: 20px; height: 20px; }
+/* 深色主题下对话框的底色和 --color-card-hover 几乎相同，占位图块会看不见。 */
+.save-playlist-new-tile, .save-playlist-row > .playlist-cover:not([data-favorites]) { background: var(--color-hover); }
+
+.playlist-cover { position: relative; display: grid; grid-template: minmax(0, 1fr) / minmax(0, 1fr); place-items: center; flex-shrink: 0; aspect-ratio: 1; border-radius: 8px; background: var(--color-card-hover); color: var(--color-foreground-subtlest); }
+.playlist-cover[data-favorites] { background: var(--color-accent); color: var(--color-brand); }
+.playlist-cover > svg { width: 38%; height: 38%; }
+.playlist-cover > img { display: block; width: 100%; height: 100%; border-radius: inherit; object-fit: cover; }
+.playlist-cover-sm { width: 40px; }
+.playlist-cover-md { width: 100%; }
+.playlist-cover-lg { width: 232px; border-radius: 10px; }
+.playlist-favorites-mark { flex-shrink: 0; color: var(--color-brand); }
diff --git a/web/src/features/playlists/save-label.ts b/web/src/features/playlists/save-label.ts
new file mode 100644
index 0000000..7bb9cd9
--- /dev/null
+++ b/web/src/features/playlists/save-label.ts
@@ -0,0 +1,5 @@
+import { bookTitle } from '@/shared/lib/book-title'
+
+export function saveToPlaylistLabel(title: string): string {
+  return `把${bookTitle(title)}保存到歌单`
+}
diff --git a/web/src/features/playlists/save-to-playlist.tsx b/web/src/features/playlists/save-to-playlist.tsx
new file mode 100644
index 0000000..6bca64a
--- /dev/null
+++ b/web/src/features/playlists/save-to-playlist.tsx
@@ -0,0 +1,165 @@
+import type { PlaylistSort } from './playlist-sort'
+import type { MyPlaylist, Track } from '@/core/realtime'
+import { ListPlus, Plus } from 'lucide-react'
+import { useEffect, useRef, useState } from 'react'
+import { profileStore } from '@/features/settings'
+import { useStore } from '@/shared/lib/use-store'
+import { IconButton, Modal, Skeleton } from '@/shared/ui'
+import { openAccountSettings } from './account-settings'
+import { CreatePlaylistForm } from './create-playlist-form'
+import { FavoritesMark, PlaylistCover } from './playlist-cover'
+import { sortPlaylists } from './playlist-sort'
+import { playlistsStore, trackKey } from './playlists-store'
+import { saveToPlaylistLabel } from './save-label'
+import './playlists.css'
+
+const byUpdate: PlaylistSort = { key: 'updatedAt', order: 'desc' }
+const none: ReadonlySet<string> = new Set()
+
+// 保持打开时的先后：保存会更新歌单的更新时间，按实时的时间排，刚勾选的歌单会跳走。打开之后才出现的歌单排在最后。
+function arrange(playlists: readonly MyPlaylist[], order: readonly string[]): MyPlaylist[] {
+  const rank = new Map(order.map((id, index) => [id, index]))
+  const at = (playlist: MyPlaylist) => rank.get(playlist.id) ?? order.length
+  return sortPlaylists(playlists, byUpdate).sort((a, b) => at(a) - at(b))
+}
+
+export function SaveToPlaylistDialog({ track, title, onClose }: { track: Track, title: string, onClose: () => void }) {
+  const account = useStore(profileStore, s => s.account)
+  const playlists = useStore(playlistsStore, s => s.playlists)
+  const failed = useStore(playlistsStore, s => s.failed)
+  const included = useStore(playlistsStore, s => s.memberships.get(trackKey(track))) ?? none
+  const [order, setOrder] = useState<string[] | null>(null)
+  const [readFailed, setReadFailed] = useState(false)
+  const [attempt, setAttempt] = useState(0)
+  const [creating, setCreating] = useState(false)
+  const listRef = useRef<HTMLUListElement>(null)
+  // 从新建页回到列表时要获得焦点的元素：取消时是“新建歌单”，建好之后是新歌单的勾选框，聚焦的同时把它滚进视野。
+  const returnFocusRef = useRef<string | null>(null)
+  // 打开时刷新歌单：歌曲数和其他设备上新建的歌单。
+  useEffect(() => {
+    if (!account)
+      return
+    let active = true
+    void Promise.all([playlistsStore.load(), playlistsStore.containing(track)]).then(([, read]) => {
+      if (!active)
+        return
+      setReadFailed(!read)
+      setOrder(sortPlaylists(playlistsStore.state.playlists ?? [], byUpdate).map(p => p.id))
+    })
+    return () => {
+      active = false
+    }
+  }, [account, track, attempt])
+  useEffect(() => {
+    if (creating || returnFocusRef.current === null)
+      return
+    listRef.current?.querySelector<HTMLElement>(returnFocusRef.current)?.focus()
+    returnFocusRef.current = null
+  }, [creating])
+
+  const rows = playlists && order ? arrange(playlists, order) : null
+
+  const choose = (playlist: MyPlaylist, checked: boolean) => {
+    void playlistsStore.setMembership(playlist, track, checked)
+  }
+
+  const backToList = (focus: string) => {
+    returnFocusRef.current = focus
+    setCreating(false)
+  }
+
+  let body
+  if (!account) {
+    body = (
+      <>
+        <p className="text-ui-base muted">注册或登录之后就能把歌保存到歌单。</p>
+        <div className="dialog-actions">
+          <button
+            type="button"
+            className="button-primary"
+            onClick={() => {
+              onClose()
+              openAccountSettings()
+            }}
+          >
+            去账号设置
+          </button>
+        </div>
+      </>
+    )
+  }
+  else if (readFailed || (playlists === null && failed)) {
+    body = (
+      <button
+        type="button"
+        className="button-secondary"
+        onClick={() => {
+          setReadFailed(false)
+          setOrder(null)
+          setAttempt(n => n + 1)
+        }}
+      >
+        重试
+      </button>
+    )
+  }
+  else if (rows === null) {
+    body = <Skeleton rows={3} />
+  }
+  else if (creating) {
+    body = (
+      <CreatePlaylistForm
+        onCreated={(playlist) => {
+          choose(playlist, true)
+          backToList(`input[value="${CSS.escape(playlist.id)}"]`)
+        }}
+        onCancel={() => backToList('.save-playlist-new')}
+      />
+    )
+  }
+  else {
+    body = (
+      <>
+        <p className="save-playlist-subject text-ui-caption muted truncate">{title}</p>
+        <ul ref={listRef} className="save-playlist-list">
+          {rows.map(playlist => (
+            <li key={playlist.id}>
+              <label className="save-playlist-row">
+                <input
+                  type="checkbox"
+                  value={playlist.id}
+                  checked={included.has(playlist.id)}
+                  onChange={event => choose(playlist, event.target.checked)}
+                />
+                <PlaylistCover cover={playlist.coverUrl} favorites={playlist.favorites} size="sm" />
+                <span className="save-playlist-name">
+                  <span className="text-ui-base truncate">{playlist.name}</span>
+                  {playlist.favorites && <FavoritesMark />}
+                </span>
+                <span className="text-ui-sm muted">{`${playlist.trackCount} 首`}</span>
+              </label>
+            </li>
+          ))}
+          <li>
+            <button type="button" className="save-playlist-row save-playlist-new" onClick={() => setCreating(true)}>
+              <span className="save-playlist-new-tile"><Plus strokeWidth={1.7} aria-hidden="true" /></span>
+              <span className="text-ui-base">新建歌单</span>
+            </button>
+          </li>
+        </ul>
+      </>
+    )
+  }
+  return <Modal title={creating ? '新建歌单' : '保存到歌单'} onClose={onClose}>{body}</Modal>
+}
+
+export function SaveToPlaylistButton({ track, title, className = '' }: { track: Track, title: string, className?: string }) {
+  // 记下打开时的歌：对话框开着时换了歌，勾选仍然作用于打开时的那首。
+  const [target, setTarget] = useState<{ track: Track, title: string } | null>(null)
+  return (
+    <>
+      <IconButton icon={ListPlus} className={className} label={saveToPlaylistLabel(title)} onClick={() => setTarget({ track, title })} />
+      {target && <SaveToPlaylistDialog track={target.track} title={target.title} onClose={() => setTarget(null)} />}
+    </>
+  )
+}
diff --git a/web/src/features/queue/queue-page.tsx b/web/src/features/queue/queue-page.tsx
index c2921be..1ec6bca 100644
--- a/web/src/features/queue/queue-page.tsx
+++ b/web/src/features/queue/queue-page.tsx
@@ -1,10 +1,12 @@
-import type { Entry, PlayMode } from '@/core/realtime'
+import type { Entry, PlayMode, Track } from '@/core/realtime'
 import type { SongItem } from '@/shared/ui'
-import { Heart, ListMusic, Trash2 } from 'lucide-react'
+import { Heart, ListMusic, ListPlus, Trash2 } from 'lucide-react'
+import { useState } from 'react'
 import { roomStore } from '@/core/room'
+import { SaveToPlaylistDialog, saveToPlaylistLabel } from '@/features/playlists'
 import { bookTitle } from '@/shared/lib/book-title'
 import { useStore } from '@/shared/lib/use-store'
-import { EmptyState, PlayingBars, Select, SongArtwork, SongList } from '@/shared/ui'
+import { EmptyState, IconButton, PlayingBars, Select, SongArtwork, SongList } from '@/shared/ui'
 import { likeEntry, removeEntry, setPlayMode } from './actions'
 import { sourceName } from './source'
 import './queue.css'
@@ -26,7 +28,7 @@ function songItem(entry: Entry): SongItem {
   }
 }
 
-function QueueCard({ label, entry, className = '', playing = false }: { label: string, entry: Entry, className?: string, playing?: boolean }) {
+function QueueCard({ label, entry, className = '', playing = false, onSave }: { label: string, entry: Entry, className?: string, playing?: boolean, onSave: () => void }) {
   const song = songItem(entry)
   return (
     <div className={`queue-current ${className}`}>
@@ -37,6 +39,7 @@ function QueueCard({ label, entry, className = '', playing = false }: { label: s
         <span className="text-ui-sm muted truncate">{[song.artist, song.sourceName, song.note].filter(Boolean).join(' · ')}</span>
       </div>
       {playing && <PlayingBars />}
+      <IconButton icon={ListPlus} label={saveToPlaylistLabel(song.title)} onClick={onSave} />
     </div>
   )
 }
@@ -47,6 +50,8 @@ export function QueuePage({ compact = false }: { compact?: boolean }) {
   const items = useStore(roomStore, s => s.room?.items ?? noEntries)
   const playMode = useStore(roomStore, s => s.room?.playMode ?? 'sequential')
   const connected = useStore(roomStore, s => s.status === 'open')
+  const [saving, setSaving] = useState<{ track: Track, title: string } | null>(null)
+  const save = (entry: Entry) => setSaving({ track: entry.track, title: entry.meta.title })
   return (
     <section className={compact ? 'queue-panel' : 'page-content queue-page'} aria-label="播放列表">
       <div className="section-heading">
@@ -67,16 +72,20 @@ export function QueuePage({ compact = false }: { compact?: boolean }) {
           ]}
         />
       </div>
-      {nowPlaying && <QueueCard label="正在播放" entry={nowPlaying.entry} playing />}
-      {pending && <QueueCard label="下一首" entry={pending} className="queue-pending" />}
+      {nowPlaying && <QueueCard label="正在播放" entry={nowPlaying.entry} playing onSave={() => save(nowPlaying.entry)} />}
+      {pending && <QueueCard label="下一首" entry={pending} className="queue-pending" onSave={() => save(pending)} />}
       {items.length
         ? (
             <SongList
               songs={items.map(songItem)}
-              actions={song => [
-                { icon: Heart, label: `点赞${bookTitle(song.title)}`, disabled: !connected, secondary: true, run: () => likeEntry(song.key, song.title) },
-                { icon: Trash2, label: `移除${bookTitle(song.title)}`, disabled: !connected, secondary: true, run: () => removeEntry(song.key, song.title) },
-              ]}
+              actions={(song, index) => {
+                const { track } = items[index]
+                return [
+                  { icon: ListPlus, label: saveToPlaylistLabel(song.title), secondary: true, run: async () => setSaving({ track, title: song.title }) },
+                  { icon: Heart, label: `点赞${bookTitle(song.title)}`, disabled: !connected, secondary: true, run: () => likeEntry(song.key, song.title) },
+                  { icon: Trash2, label: `移除${bookTitle(song.title)}`, disabled: !connected, secondary: true, run: () => removeEntry(song.key, song.title) },
+                ]
+              }}
             />
           )
         : !pending && (
@@ -84,6 +93,7 @@ export function QueuePage({ compact = false }: { compact?: boolean }) {
               每个人都可以点歌，一起决定下一首。
             </EmptyState>
           )}
+      {saving && <SaveToPlaylistDialog track={saving.track} title={saving.title} onClose={() => setSaving(null)} />}
     </section>
   )
 }