Add configurable TXT export

electron/services/exportService.ts

@@ -72,9 +72,21 @@ export interface ExportOptions {
   exportEmojis?: boolean
   exportVoiceAsText?: boolean
   excelCompactColumns?: boolean
+  txtColumns?: string[]
   sessionLayout?: 'shared' | 'per-session'
 }
 
+const TXT_COLUMN_DEFINITIONS: Array<{ id: string; label: string }> = [
+  { id: 'index', label: '序号' },
+  { id: 'time', label: '时间' },
+  { id: 'senderRole', label: '发送者身份' },
+  { id: 'messageType', label: '消息类型' },
+  { id: 'content', label: '内容' },
+  { id: 'senderNickname', label: '发送者昵称' },
+  { id: 'senderWxid', label: '发送者微信ID' },
+  { id: 'senderRemark', label: '发送者备注' }
+]
+
 interface MediaExportItem {
   relativePath: string
   kind: 'image' | 'voice' | 'emoji'
@@ -428,6 +440,17 @@ class ExportService {
     return `${year}-${month}-${day} ${hours}:${minutes}:${seconds}`
   }
 
+  private normalizeTxtColumns(columns?: string[] | null): string[] {
+    const fallback = ['index', 'time', 'senderRole', 'messageType', 'content']
+    const selected = new Set((columns && columns.length > 0 ? columns : fallback).filter(Boolean))
+    const ordered = TXT_COLUMN_DEFINITIONS.map((col) => col.id).filter((id) => selected.has(id))
+    return ordered.length > 0 ? ordered : fallback
+  }
+
+  private sanitizeTxtValue(value: string): string {
+    return value.replace(/\r?\n/g, ' ').replace(/\t/g, ' ').trim()
+  }
+
   /**
    * 导出媒体文件到指定目录
    */
@@ -1880,6 +1903,197 @@ class ExportService {
     }
   }
 
+  /**
+   * 导出单个会话为 TXT 格式（默认与 Excel 精简列一致）
+   */
+  async exportSessionToTxt(
+    sessionId: string,
+    outputPath: string,
+    options: ExportOptions,
+    onProgress?: (progress: ExportProgress) => void
+  ): Promise<{ success: boolean; error?: string }> {
+    try {
+      const conn = await this.ensureConnected()
+      if (!conn.success || !conn.cleanedWxid) return { success: false, error: conn.error }
+
+      const cleanedMyWxid = conn.cleanedWxid
+      const isGroup = sessionId.includes('@chatroom')
+      const sessionInfo = await this.getContactInfo(sessionId)
+      const myInfo = await this.getContactInfo(cleanedMyWxid)
+
+      onProgress?.({
+        current: 0,
+        total: 100,
+        currentSession: sessionInfo.displayName,
+        phase: 'preparing'
+      })
+
+      const collected = await this.collectMessages(sessionId, cleanedMyWxid, options.dateRange)
+      const sortedMessages = collected.rows.sort((a, b) => a.createTime - b.createTime)
+
+      const { exportMediaEnabled, mediaRootDir, mediaRelativePrefix } = this.getMediaLayout(outputPath, options)
+      const mediaMessages = exportMediaEnabled
+        ? sortedMessages.filter(msg => {
+            const t = msg.localType
+            return (t === 3 && options.exportImages) ||
+                   (t === 47 && options.exportEmojis) ||
+                   (t === 34 && options.exportVoices && !options.exportVoiceAsText)
+          })
+        : []
+
+      const mediaCache = new Map<string, MediaExportItem | null>()
+
+      if (mediaMessages.length > 0) {
+        onProgress?.({
+          current: 25,
+          total: 100,
+          currentSession: sessionInfo.displayName,
+          phase: 'exporting-media'
+        })
+
+        const MEDIA_CONCURRENCY = 8
+        await parallelLimit(mediaMessages, MEDIA_CONCURRENCY, async (msg) => {
+          const mediaKey = `${msg.localType}_${msg.localId}`
+          if (!mediaCache.has(mediaKey)) {
+            const mediaItem = await this.exportMediaForMessage(msg, sessionId, mediaRootDir, mediaRelativePrefix, {
+              exportImages: options.exportImages,
+              exportVoices: options.exportVoices,
+              exportEmojis: options.exportEmojis,
+              exportVoiceAsText: options.exportVoiceAsText
+            })
+            mediaCache.set(mediaKey, mediaItem)
+          }
+        })
+      }
+
+      const voiceMessages = options.exportVoiceAsText
+        ? sortedMessages.filter(msg => msg.localType === 34)
+        : []
+      const voiceTranscriptMap = new Map<number, string>()
+
+      if (voiceMessages.length > 0) {
+        onProgress?.({
+          current: 45,
+          total: 100,
+          currentSession: sessionInfo.displayName,
+          phase: 'exporting-voice'
+        })
+
+        const VOICE_CONCURRENCY = 4
+        await parallelLimit(voiceMessages, VOICE_CONCURRENCY, async (msg) => {
+          const transcript = await this.transcribeVoice(sessionId, String(msg.localId))
+          voiceTranscriptMap.set(msg.localId, transcript)
+        })
+      }
+
+      onProgress?.({
+        current: 60,
+        total: 100,
+        currentSession: sessionInfo.displayName,
+        phase: 'exporting'
+      })
+
+      const columnOrder = this.normalizeTxtColumns(options.txtColumns)
+      const columnLabelMap = new Map(TXT_COLUMN_DEFINITIONS.map((col) => [col.id, col.label]))
+      const lines: string[] = []
+      lines.push(columnOrder.map((id) => columnLabelMap.get(id) || id).join('\t'))
+
+      for (let i = 0; i < sortedMessages.length; i++) {
+        const msg = sortedMessages[i]
+        const mediaKey = `${msg.localType}_${msg.localId}`
+        const mediaItem = mediaCache.get(mediaKey) || null
+
+        let contentValue: string
+        if (mediaItem) {
+          contentValue = mediaItem.relativePath
+        } else if (msg.localType === 34 && options.exportVoiceAsText) {
+          contentValue = voiceTranscriptMap.get(msg.localId) || '[语音消息 - 转文字失败]'
+        } else {
+          contentValue = this.parseMessageContent(msg.content, msg.localType) || ''
+        }
+
+        let senderRole: string
+        let senderWxid: string
+        let senderNickname: string
+        let senderRemark = ''
+
+        if (msg.isSend) {
+          senderRole = '我'
+          senderWxid = cleanedMyWxid
+          senderNickname = myInfo.displayName || cleanedMyWxid
+        } else if (isGroup && msg.senderUsername) {
+          senderWxid = msg.senderUsername
+          const contactDetail = await wcdbService.getContact(msg.senderUsername)
+          if (contactDetail.success && contactDetail.contact) {
+            senderNickname = contactDetail.contact.nickName || msg.senderUsername
+            senderRemark = contactDetail.contact.remark || ''
+            senderRole = senderRemark || senderNickname
+          } else {
+            senderNickname = msg.senderUsername
+            senderRole = msg.senderUsername
+          }
+        } else {
+          senderWxid = sessionId
+          const contactDetail = await wcdbService.getContact(sessionId)
+          if (contactDetail.success && contactDetail.contact) {
+            senderNickname = contactDetail.contact.nickName || sessionId
+            senderRemark = contactDetail.contact.remark || ''
+            senderRole = senderRemark || senderNickname
+          } else {
+            senderNickname = sessionInfo.displayName || sessionId
+            senderRole = senderNickname
+          }
+        }
+
+        const values: Record<string, string> = {
+          index: String(i + 1),
+          time: this.formatTimestamp(msg.createTime),
+          senderRole,
+          senderNickname,
+          senderWxid,
+          senderRemark,
+          messageType: this.getMessageTypeName(msg.localType),
+          content: contentValue
+        }
+
+        const line = columnOrder
+          .map((id) => this.sanitizeTxtValue(values[id] ?? ''))
+          .join('\t')
+        lines.push(line)
+
+        if ((i + 1) % 200 === 0) {
+          const progress = 60 + Math.floor((i + 1) / sortedMessages.length * 30)
+          onProgress?.({
+            current: progress,
+            total: 100,
+            currentSession: sessionInfo.displayName,
+            phase: 'exporting'
+          })
+        }
+      }
+
+      onProgress?.({
+        current: 92,
+        total: 100,
+        currentSession: sessionInfo.displayName,
+        phase: 'writing'
+      })
+
+      fs.writeFileSync(outputPath, lines.join('\n'), 'utf-8')
+
+      onProgress?.({
+        current: 100,
+        total: 100,
+        currentSession: sessionInfo.displayName,
+        phase: 'complete'
+      })
+
+      return { success: true }
+    } catch (e) {
+      return { success: false, error: String(e) }
+    }
+  }
+
   /**
    * 批量导出多个会话
    */
@@ -1930,6 +2144,7 @@ class ExportService {
         let ext = '.json'
         if (options.format === 'chatlab-jsonl') ext = '.jsonl'
         else if (options.format === 'excel') ext = '.xlsx'
+        else if (options.format === 'txt') ext = '.txt'
         const outputPath = path.join(sessionDir, `${safeName}${ext}`)
 
         let result: { success: boolean; error?: string }
@@ -1939,6 +2154,8 @@ class ExportService {
           result = await this.exportSessionToChatLab(sessionId, outputPath, options)
         } else if (options.format === 'excel') {
           result = await this.exportSessionToExcel(sessionId, outputPath, options)
+        } else if (options.format === 'txt') {
+          result = await this.exportSessionToTxt(sessionId, outputPath, options)
         } else {
           result = { success: false, error: `不支持的格式: ${options.format}` }
         }

src/pages/ExportPage.tsx

@@ -22,6 +22,7 @@ interface ExportOptions {
   exportEmojis: boolean
   exportVoiceAsText: boolean
   excelCompactColumns: boolean
+  txtColumns: string[]
 }
 
 interface ExportResult {
@@ -34,6 +35,7 @@ interface ExportResult {
 type SessionLayout = 'shared' | 'per-session'
 
 function ExportPage() {
+  const defaultTxtColumns = ['index', 'time', 'senderRole', 'messageType', 'content']
   const [sessions, setSessions] = useState<ChatSession[]>([])
   const [filteredSessions, setFilteredSessions] = useState<ChatSession[]>([])
   const [selectedSessions, setSelectedSessions] = useState<Set<string>>(new Set())
@@ -61,7 +63,8 @@ function ExportPage() {
     exportVoices: true,
     exportEmojis: true,
     exportVoiceAsText: true,
-    excelCompactColumns: true
+    excelCompactColumns: true,
+    txtColumns: defaultTxtColumns
   })
 
   const buildDateRangeFromPreset = (preset: string) => {
@@ -125,17 +128,20 @@ function ExportPage() {
         savedRange,
         savedMedia,
         savedVoiceAsText,
-        savedExcelCompactColumns
+        savedExcelCompactColumns,
+        savedTxtColumns
       ] = await Promise.all([
         configService.getExportDefaultFormat(),
         configService.getExportDefaultDateRange(),
         configService.getExportDefaultMedia(),
         configService.getExportDefaultVoiceAsText(),
-        configService.getExportDefaultExcelCompactColumns()
+        configService.getExportDefaultExcelCompactColumns(),
+        configService.getExportDefaultTxtColumns()
       ])
 
       const preset = savedRange || 'today'
       const rangeDefaults = buildDateRangeFromPreset(preset)
+      const txtColumns = savedTxtColumns && savedTxtColumns.length > 0 ? savedTxtColumns : defaultTxtColumns
 
       setOptions((prev) => ({
         ...prev,
@@ -144,7 +150,8 @@ function ExportPage() {
         dateRange: rangeDefaults.dateRange,
         exportMedia: savedMedia ?? false,
         exportVoiceAsText: savedVoiceAsText ?? true,
-        excelCompactColumns: savedExcelCompactColumns ?? true
+        excelCompactColumns: savedExcelCompactColumns ?? true,
+        txtColumns
       }))
     } catch (e) {
       console.error('加载导出默认设置失败:', e)
@@ -233,6 +240,7 @@ function ExportPage() {
         exportEmojis: options.exportMedia && options.exportEmojis,
         exportVoiceAsText: options.exportVoiceAsText,  // 即使不导出媒体，也可以导出语音转文字内容
         excelCompactColumns: options.excelCompactColumns,
+        txtColumns: options.txtColumns,
         sessionLayout,
         dateRange: options.useAllTime ? null : options.dateRange ? {
           start: Math.floor(options.dateRange.start.getTime() / 1000),
@@ -241,7 +249,7 @@ function ExportPage() {
         } : null
       }
 
-      if (options.format === 'chatlab' || options.format === 'chatlab-jsonl' || options.format === 'json' || options.format === 'excel') {
+      if (options.format === 'chatlab' || options.format === 'chatlab-jsonl' || options.format === 'json' || options.format === 'excel' || options.format === 'txt') {
         const result = await window.electronAPI.export.exportSessions(
           sessionList,
           exportFolder,

src/pages/SettingsPage.tsx

@@ -61,6 +61,7 @@ function SettingsPage() {
   const [exportDefaultMedia, setExportDefaultMedia] = useState(false)
   const [exportDefaultVoiceAsText, setExportDefaultVoiceAsText] = useState(true)
   const [exportDefaultExcelCompactColumns, setExportDefaultExcelCompactColumns] = useState(true)
+  const [exportDefaultTxtColumns, setExportDefaultTxtColumns] = useState<string[]>(['index', 'time', 'senderRole', 'messageType', 'content'])
 
   const [isLoading, setIsLoadingState] = useState(false)
   const [isTesting, setIsTesting] = useState(false)
@@ -141,6 +142,8 @@ function SettingsPage() {
       const savedExportDefaultMedia = await configService.getExportDefaultMedia()
       const savedExportDefaultVoiceAsText = await configService.getExportDefaultVoiceAsText()
       const savedExportDefaultExcelCompactColumns = await configService.getExportDefaultExcelCompactColumns()
+      const savedExportDefaultTxtColumns = await configService.getExportDefaultTxtColumns()
+      const defaultTxtColumns = ['index', 'time', 'senderRole', 'messageType', 'content']
 
       if (savedKey) setDecryptKey(savedKey)
       if (savedPath) setDbPath(savedPath)
@@ -158,6 +161,11 @@ function SettingsPage() {
       setExportDefaultMedia(savedExportDefaultMedia ?? false)
       setExportDefaultVoiceAsText(savedExportDefaultVoiceAsText ?? true)
       setExportDefaultExcelCompactColumns(savedExportDefaultExcelCompactColumns ?? true)
+      setExportDefaultTxtColumns(
+        savedExportDefaultTxtColumns && savedExportDefaultTxtColumns.length > 0
+          ? savedExportDefaultTxtColumns
+          : defaultTxtColumns
+      )
 
       // 如果语言列表为空，保存默认值
       if (!savedTranscribeLanguages || savedTranscribeLanguages.length === 0) {
@@ -166,6 +174,10 @@ function SettingsPage() {
         await configService.setTranscribeLanguages(defaultLanguages)
       }
 
+      if (!savedExportDefaultTxtColumns || savedExportDefaultTxtColumns.length === 0) {
+        await configService.setExportDefaultTxtColumns(defaultTxtColumns)
+      }
+
       if (savedWhisperModelDir) setWhisperModelDir(savedWhisperModelDir)
     } catch (e) {
       console.error('加载配置失败:', e)
@@ -899,6 +911,16 @@ function SettingsPage() {
     { value: 'compact', label: '精简列', desc: '序号、时间、发送者身份、消息类型、内容' },
     { value: 'full', label: '完整列', desc: '含发送者昵称/微信ID/备注' }
   ]
+  const exportTxtColumnOptions = [
+    { value: 'index', label: '序号' },
+    { value: 'time', label: '时间' },
+    { value: 'senderRole', label: '发送者身份' },
+    { value: 'messageType', label: '消息类型' },
+    { value: 'content', label: '内容' },
+    { value: 'senderNickname', label: '发送者昵称' },
+    { value: 'senderWxid', label: '发送者微信ID' },
+    { value: 'senderRemark', label: '发送者备注' }
+  ]
 
   const getOptionLabel = (options: { value: string; label: string }[], value: string) => {
     return options.find((option) => option.value === value)?.label ?? value
@@ -1074,6 +1096,41 @@ function SettingsPage() {
           )}
         </div>
       </div>
+
+      <div className="form-group">
+        <label>TXT 导出栏目</label>
+        <span className="form-hint">默认与 Excel 精简列一致，可多选调整输出字段</span>
+        <div className="language-checkboxes">
+          {exportTxtColumnOptions.map((column) => {
+            const checked = exportDefaultTxtColumns.includes(column.value)
+            return (
+              <label key={column.value} className="language-checkbox">
+                <input
+                  type="checkbox"
+                  checked={checked}
+                  onChange={async (e) => {
+                    const enabled = e.target.checked
+                    const nextColumns = enabled
+                      ? [...exportDefaultTxtColumns, column.value]
+                      : exportDefaultTxtColumns.filter((value) => value !== column.value)
+                    if (nextColumns.length === 0) {
+                      showMessage('至少选择一个 TXT 导出栏目', false)
+                      return
+                    }
+                    setExportDefaultTxtColumns(nextColumns)
+                    await configService.setExportDefaultTxtColumns(nextColumns)
+                    showMessage('已更新 TXT 导出栏目', true)
+                  }}
+                />
+                <div className="checkbox-custom">
+                  <Check size={14} />
+                  <span>{column.label}</span>
+                </div>
+              </label>
+            )
+          })}
+        </div>
+      </div>
     </div>
     )
   }
@@ -1225,4 +1282,3 @@ function SettingsPage() {
 }
 
 export default SettingsPage
-

src/services/config.ts

@@ -27,7 +27,8 @@ export const CONFIG_KEYS = {
   EXPORT_DEFAULT_DATE_RANGE: 'exportDefaultDateRange',
   EXPORT_DEFAULT_MEDIA: 'exportDefaultMedia',
   EXPORT_DEFAULT_VOICE_AS_TEXT: 'exportDefaultVoiceAsText',
-  EXPORT_DEFAULT_EXCEL_COMPACT_COLUMNS: 'exportDefaultExcelCompactColumns'
+  EXPORT_DEFAULT_EXCEL_COMPACT_COLUMNS: 'exportDefaultExcelCompactColumns',
+  EXPORT_DEFAULT_TXT_COLUMNS: 'exportDefaultTxtColumns'
 } as const
 
 // 获取解密密钥
@@ -306,3 +307,14 @@ export async function getExportDefaultExcelCompactColumns(): Promise<boolean | n
 export async function setExportDefaultExcelCompactColumns(enabled: boolean): Promise<void> {
   await config.set(CONFIG_KEYS.EXPORT_DEFAULT_EXCEL_COMPACT_COLUMNS, enabled)
 }
+
+// 获取导出默认 TXT 列配置
+export async function getExportDefaultTxtColumns(): Promise<string[] | null> {
+  const value = await config.get(CONFIG_KEYS.EXPORT_DEFAULT_TXT_COLUMNS)
+  return Array.isArray(value) ? (value as string[]) : null
+}
+
+// 设置导出默认 TXT 列配置
+export async function setExportDefaultTxtColumns(columns: string[]): Promise<void> {
+  await config.set(CONFIG_KEYS.EXPORT_DEFAULT_TXT_COLUMNS, columns)
+}

src/types/electron.d.ts

@@ -351,6 +351,7 @@ export interface ExportOptions {
   exportEmojis?: boolean
   exportVoiceAsText?: boolean
   excelCompactColumns?: boolean
+  txtColumns?: string[]
   sessionLayout?: 'shared' | 'per-session'
 }