From d7a640a147b970c07271432bb199ba93d0b3cf6b Mon Sep 17 00:00:00 2001
From: KiriAky 107 <KiriAky107@qq.com>
Date: Sun, 30 Aug 2026 10:15:27 +0800
Subject: [PATCH] =?UTF-8?q?feat(frontend):=20=E6=89=A9=E5=B1=95Markdown?=
 =?UTF-8?q?=E6=8F=92=E5=85=A5=E5=B7=A5=E5=85=B7=E5=B9=B6=E6=B1=89=E5=8C=96?=
 =?UTF-8?q?=E5=9D=97=E8=8F=9C=E5=8D=95?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../features/editor/VisualMarkdownEditor.vue  | 92 ++++++++++++++++++-
 1 file changed, 88 insertions(+), 4 deletions(-)

diff --git a/frontend/src/features/editor/VisualMarkdownEditor.vue b/frontend/src/features/editor/VisualMarkdownEditor.vue
index b0a1b39..e350ff6 100644
--- a/frontend/src/features/editor/VisualMarkdownEditor.vue
+++ b/frontend/src/features/editor/VisualMarkdownEditor.vue
@@ -1,14 +1,21 @@
 <script setup lang="ts">
 import { onBeforeUnmount, onMounted, ref } from 'vue'
+import { Link } from '@element-plus/icons-vue'
 import { Crepe } from '@milkdown/crepe'
 import {
+  createCodeBlockCommand,
   toggleEmphasisCommand,
+  toggleInlineCodeCommand,
+  toggleLinkCommand,
   toggleStrongCommand,
   wrapInBulletListCommand,
   wrapInHeadingCommand,
   wrapInOrderedListCommand,
 } from '@milkdown/kit/preset/commonmark'
+import { commandsCtx, editorViewCtx } from '@milkdown/kit/core'
+import { TextSelection } from '@milkdown/kit/prose/state'
 import { callCommand } from '@milkdown/kit/utils'
+import AppIcon from '@/components/common/AppIcon.vue'
 import { useEditorStore } from '@/stores/editor'
 import { useSettingsStore } from '@/stores/settings'
 import { highlightCode } from '@/utils/markdown'
@@ -23,7 +30,7 @@ const editorRoot = ref<HTMLElement | null>(null)
 const loading = ref(true)
 let crepe: Crepe | null = null
 
-type ToolbarCommand = 'bold' | 'italic' | 'ordered-list' | 'bullet-list'
+type ToolbarCommand = 'bold' | 'italic' | 'ordered-list' | 'bullet-list' | 'inline-code' | 'code-block' | 'inline-math' | 'math-block'
 
 function runCommand(command: ToolbarCommand) {
   const editor = crepe?.editor
@@ -33,11 +40,35 @@ function runCommand(command: ToolbarCommand) {
     italic: callCommand(toggleEmphasisCommand.key),
     'ordered-list': callCommand(wrapInOrderedListCommand.key),
     'bullet-list': callCommand(wrapInBulletListCommand.key),
+    'inline-code': callCommand(toggleInlineCodeCommand.key),
+    'code-block': callCommand(createCodeBlockCommand.key, ''),
+    'inline-math': callCommand('ToggleLatex'),
+    'math-block': callCommand(createCodeBlockCommand.key, 'LaTeX'),
   }
   editor.action(actions[command])
   editorRoot.value?.querySelector<HTMLElement>('.ProseMirror')?.focus()
 }
 
+function applyLink() {
+  if (!crepe) return
+  const href = window.prompt('请输入链接地址', 'https://')?.trim()
+  if (!href) return
+
+  crepe.editor.action((ctx) => {
+    const view = ctx.get(editorViewCtx)
+    const commands = ctx.get(commandsCtx)
+    if (view.state.selection.empty) {
+      const label = window.prompt('请输入链接文字', href)?.trim() || href
+      const from = view.state.selection.from
+      const transaction = view.state.tr.insertText(label, from)
+      transaction.setSelection(TextSelection.create(transaction.doc, from, from + label.length))
+      view.dispatch(transaction)
+    }
+    return commands.call(toggleLinkCommand.key, { href })
+  })
+  editorRoot.value?.querySelector<HTMLElement>('.ProseMirror')?.focus()
+}
+
 function applyHeading(event: Event) {
   const level = Number((event.target as HTMLSelectElement).value)
   if (!level || !crepe) return
@@ -64,6 +95,9 @@ onMounted(async () => {
         previewOnlyByDefault: true,
         previewLabel: 'Shiki 高亮预览',
         previewLoading: '正在高亮…',
+        searchPlaceholder: '搜索语言',
+        noResultText: '没有匹配的语言',
+        copyText: '复制',
         previewToggleText: (previewOnlyMode) => previewOnlyMode ? '编辑代码' : '查看高亮',
         renderPreview: (language, content, applyPreview) => {
           void highlightCode(content, language).then((html) => {
@@ -74,6 +108,42 @@ onMounted(async () => {
           return null
         },
       },
+      [Crepe.Feature.Latex]: {
+        inlineEditConfirm: '确认',
+      },
+      [Crepe.Feature.LinkTooltip]: {
+        editButton: '编辑',
+        removeButton: '移除',
+        confirmButton: '确认',
+        inputPlaceholder: '粘贴链接地址…',
+      },
+      [Crepe.Feature.BlockEdit]: {
+        textGroup: {
+          label: '文本',
+          text: { label: '正文' },
+          h1: { label: '一级标题' },
+          h2: { label: '二级标题' },
+          h3: { label: '三级标题' },
+          h4: { label: '四级标题' },
+          h5: { label: '五级标题' },
+          h6: { label: '六级标题' },
+          quote: { label: '引用' },
+          divider: { label: '分割线' },
+        },
+        listGroup: {
+          label: '列表',
+          bulletList: { label: '无序列表' },
+          orderedList: { label: '有序列表' },
+          taskList: { label: '任务列表' },
+        },
+        advancedGroup: {
+          label: '插入',
+          image: { label: '图片' },
+          codeBlock: { label: '代码块' },
+          table: { label: '表格' },
+          math: { label: '公式块' },
+        },
+      },
     },
   })
   crepe.editor.use(fontSizeMarkdownPlugin)
@@ -104,8 +174,8 @@ onBeforeUnmount(() => { void crepe?.destroy() })
       <button type="button" title="加粗 (Ctrl+B)" aria-label="加粗" @mousedown.prevent @click="runCommand('bold')"><strong class="format-glyph">B</strong></button>
       <button type="button" title="斜体 (Ctrl+I)" aria-label="斜体" @mousedown.prevent @click="runCommand('italic')"><em class="format-glyph">I</em></button>
       <span class="toolbar-divider" />
-      <button type="button" class="list-glyph" title="有序列表" aria-label="有序列表" @mousedown.prevent @click="runCommand('ordered-list')">1.</button>
-      <button type="button" class="list-glyph" title="无序列表" aria-label="无序列表" @mousedown.prevent @click="runCommand('bullet-list')">•</button>
+      <button type="button" class="list-glyph" title="有序列表" aria-label="有序列表" @mousedown.prevent @click="runCommand('ordered-list')"><span class="list-marker">1</span><span class="list-lines">☰</span></button>
+      <button type="button" class="list-glyph" title="无序列表" aria-label="无序列表" @mousedown.prevent @click="runCommand('bullet-list')"><span class="list-marker">•</span><span class="list-lines">☰</span></button>
       <span class="toolbar-divider" />
       <label class="toolbar-select font-size-select" title="修改选中文字的字号">
         <span class="format-glyph font-size-glyph">A</span>
@@ -114,6 +184,12 @@ onBeforeUnmount(() => { void crepe?.destroy() })
           <option v-for="size in [12, 14, 16, 18, 20, 24, 28, 32]" :key="size" :value="size">{{ size }} px</option>
         </select>
       </label>
+      <span class="toolbar-divider" />
+      <button type="button" title="行内代码" aria-label="行内代码" @mousedown.prevent @click="runCommand('inline-code')"><code class="code-glyph">&lt;/&gt;</code></button>
+      <button type="button" title="代码块" aria-label="代码块" @mousedown.prevent @click="runCommand('code-block')"><span class="block-glyph">{ }</span></button>
+      <button type="button" title="行内公式" aria-label="行内公式" @mousedown.prevent @click="runCommand('inline-math')"><span class="math-glyph">ƒx</span></button>
+      <button type="button" title="公式块" aria-label="公式块" @mousedown.prevent @click="runCommand('math-block')"><span class="math-glyph">∑</span></button>
+      <button type="button" title="插入链接" aria-label="插入链接" @mousedown.prevent @click="applyLink"><AppIcon :icon="Link" :size="17" /></button>
     </div>
     <div v-if="loading" class="editor-loading">正在加载编辑器…</div>
     <div ref="editorRoot" class="milkdown-host" :class="{ loading }" />
@@ -129,7 +205,11 @@ onBeforeUnmount(() => { void crepe?.destroy() })
 .format-glyph { font-family: Georgia, 'Times New Roman', serif; font-size: 17px; line-height: 1; }
 .heading-glyph { font-weight: 800; }
 .font-size-glyph { font-size: 18px; }
-.list-glyph { font-size: 17px; font-weight: 700; }
+.list-glyph { grid-template-columns: 8px 14px; column-gap: 2px; font-weight: 700; }
+.list-marker { font: 700 12px/1 var(--font-ui-sans); }
+.list-lines { overflow: hidden; width: 14px; font-size: 15px; line-height: 1; transform: scaleX(1.2); }
+.code-glyph, .block-glyph { padding: 0; background: transparent; color: inherit; font: 700 13px/1 var(--font-editor-mono); }
+.math-glyph { font: italic 700 16px/1 Georgia, 'Times New Roman', serif; }
 .toolbar-select { display: inline-flex; align-items: center; gap: 4px; min-height: 30px; padding: 3px 5px 3px 8px; border-radius: var(--radius-sm); color: var(--color-text-primary); }
 .toolbar-select select { min-width: 58px; border: 0; outline: 0; background: transparent; color: inherit; cursor: pointer; font-size: var(--font-size-sm); }
 .font-size-select select { min-width: 62px; }
@@ -168,6 +248,10 @@ onBeforeUnmount(() => { void crepe?.destroy() })
 .milkdown-host :deep(.milkdown-toolbar) { border: 1px solid var(--color-border-default); background: var(--color-surface-elevated); box-shadow: var(--shadow-md); }
 .milkdown-host :deep(.milkdown-toolbar .toolbar-item svg), .milkdown-host :deep(.milkdown-toolbar .toolbar-item.active svg) { color: var(--color-text-primary); fill: var(--color-text-primary); stroke: currentColor; opacity: 1; }
 .milkdown-host :deep(.milkdown-toolbar .toolbar-item:hover svg) { color: var(--color-accent-primary); fill: var(--color-accent-primary); }
+:global([data-theme='light']) .milkdown-host :deep(.milkdown-table-block th),
+:global([data-theme='light']) .milkdown-host :deep(.milkdown-table-block td) { border-color: var(--color-text-tertiary); }
+:global([data-theme='light']) .milkdown-host :deep(.milkdown-list-item-block li .label-wrapper) { color: var(--color-text-secondary); font-weight: 600; }
+:global([data-theme='light']) .milkdown-host :deep(.milkdown-list-item-block li .label-wrapper svg) { fill: var(--color-text-secondary); }
 .milkdown-host :deep(code) { font-family: var(--font-editor-mono); }
 .milkdown-host :deep(.shiki) { box-sizing: border-box; width: 100%; overflow: auto; padding: var(--space-md); border-radius: var(--radius-md); }
 :global([data-theme='dark']) .milkdown-host :deep(.shiki),