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feat: ecxel导出支持群昵称显示

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xuncha
2026-01-25 09:40:00 +08:00
parent 178f9c4fdc
commit 9181ac5d34
1 changed files with 227 additions and 69 deletions
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296
electron/services/exportService.ts
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@@ -170,23 +170,162 @@ class ExportService {
return this.contactCache.get(username)!
}
const [displayNames, avatarUrls] = await Promise.all([
const [nameResult, avatarResult] = await Promise.all([
wcdbService.getDisplayNames([username]),
wcdbService.getAvatarUrls([username])
])
const displayName = displayNames.success && displayNames.map
? (displayNames.map[username] || username)
: username
const avatarUrl = avatarUrls.success && avatarUrls.map
? avatarUrls.map[username]
: undefined
const displayName = (nameResult.success && nameResult.map ? nameResult.map[username] : null) || username
const avatarUrl = avatarResult.success && avatarResult.map ? avatarResult.map[username] : undefined
const info = { displayName, avatarUrl }
this.contactCache.set(username, info)
return info
}
/**
* 解析 ext_buffer 二进制数据，提取群成员的群昵称
* ext_buffer 包含类似 protobuf 编码的数据，格式示例：
* wxid_xxx<binary>群昵称<binary>wxid_yyy<binary>群昵称...
*/
private parseGroupNicknamesFromExtBuffer(buffer: Buffer): Map<string, string> {
const nicknameMap = new Map<string, string>()
try {
// 将 buffer 转为字符串，允许部分乱码
const raw = buffer.toString('utf8')
// 提取所有 wxid 格式的字符串: wxid_ 或 wxid_后跟字母数字下划线
const wxidPattern = /wxid_[a-z0-9_]+/gi
const wxids = raw.match(wxidPattern) || []
// 对每个 wxid，尝试提取其后的群昵称
for (const wxid of wxids) {
const wxidLower = wxid.toLowerCase()
const wxidIndex = raw.toLowerCase().indexOf(wxidLower)
if (wxidIndex === -1) continue
// 从 wxid 结束位置开始查找
const afterWxid = raw.slice(wxidIndex + wxid.length)
// 提取紧跟在 wxid 后面的可打印字符（中文、字母、数字等）
// 跳过前面的不可打印字符和特定控制字符
let nickname = ''
let foundStart = false
for (let i = 0; i < afterWxid.length && i < 100; i++) {
const char = afterWxid[i]
const code = char.charCodeAt(0)
// 判断是否为可打印字符（中文、字母、数字、常见符号）
const isPrintable = (
(code >= 0x4E00 && code <= 0x9FFF) || // 中文
(code >= 0x3000 && code <= 0x303F) || // CJK 符号
(code >= 0xFF00 && code <= 0xFFEF) || // 全角字符
(code >= 0x20 && code <= 0x7E) // ASCII 可打印字符
)
if (isPrintable && code !== 0x01 && code !== 0x18) {
foundStart = true
nickname += char
} else if (foundStart) {
// 遇到不可打印字符，停止
break
}
}
// 清理昵称：去除前后空白和特殊字符
nickname = nickname.trim().replace(/[\x00-\x1F\x7F]/g, '')
// 只保存有效的群昵称（长度 > 0 且 < 50）
if (nickname && nickname.length > 0 && nickname.length < 50) {
nicknameMap.set(wxidLower, nickname)
}
}
} catch (e) {
// 解析失败时返回空 Map
console.error('Failed to parse ext_buffer:', e)
}
return nicknameMap
}
/**
* 从 contact.db 的 chat_room 表获取群成员的群昵称
* @param chatroomId 群聊ID (如 "xxxxx@chatroom")
* @returns Map<wxid, 群昵称>
*/
async getGroupNicknamesForRoom(chatroomId: string): Promise<Map<string, string>> {
console.log('========== getGroupNicknamesForRoom START ==========', chatroomId)
try {
// 查询 contact.db 的 chat_room 表
// path设为null，因为contact.db已经随handle一起打开了
const sql = `SELECT ext_buffer FROM chat_room WHERE username = '${chatroomId.replace(/'/g, "''")}'`
console.log('执行SQL查询:', sql)
const result = await wcdbService.execQuery('contact', null, sql)
console.log('execQuery结果:', { success: result.success, rowCount: result.rows?.length, error: result.error })
if (!result.success || !result.rows || result.rows.length === 0) {
console.log('❌ 群昵称查询失败或无数据:', chatroomId, result.error)
return new Map<string, string>()
}
let extBuffer = result.rows[0].ext_buffer
console.log('ext_buffer原始类型:', typeof extBuffer, 'isBuffer:', Buffer.isBuffer(extBuffer))
// execQuery返回的二进制数据会被编码为字符串（hex或base64）
// 需要转换回Buffer
if (typeof extBuffer === 'string') {
console.log('🔄 ext_buffer是字符串，尝试转换为Buffer...')
// 尝试判断是hex还是base64
if (this.looksLikeHex(extBuffer)) {
console.log('✅ 检测到hex编码，使用hex解码')
extBuffer = Buffer.from(extBuffer, 'hex')
} else if (this.looksLikeBase64(extBuffer)) {
console.log('✅ 检测到base64编码，使用base64解码')
extBuffer = Buffer.from(extBuffer, 'base64')
} else {
// 默认尝试hex
console.log('⚠️ 无法判断编码格式，默认尝试hex')
try {
extBuffer = Buffer.from(extBuffer, 'hex')
} catch (e) {
console.log('❌ hex解码失败，尝试base64')
extBuffer = Buffer.from(extBuffer, 'base64')
}
}
console.log('✅ 转换后的Buffer长度:', extBuffer.length)
}
if (!extBuffer || !Buffer.isBuffer(extBuffer)) {
console.log('❌ ext_buffer转换失败，不是Buffer类型:', typeof extBuffer)
return new Map<string, string>()
}
console.log('✅ 开始解析ext_buffer, 长度:', extBuffer.length)
const nicknamesMap = this.parseGroupNicknamesFromExtBuffer(extBuffer)
console.log('✅ 解析完成, 找到', nicknamesMap.size, '个群昵称')
// 打印前5个群昵称作为示例
let count = 0
for (const [wxid, nickname] of nicknamesMap.entries()) {
if (count++ < 5) {
console.log(` - ${wxid}: "${nickname}"`)
}
}
return nicknamesMap
} catch (e) {
console.error('❌ getGroupNicknamesForRoom异常:', e)
return new Map<string, string>()
} finally {
console.log('========== getGroupNicknamesForRoom END ==========')
}
}
/**
* 转换微信消息类型到 ChatLab 类型
*/
@@ -707,7 +846,7 @@ class ExportService {
if (localType === 3 && options.exportImages) {
const result = await this.exportImage(msg, sessionId, mediaRootDir, mediaRelativePrefix)
if (result) {
}
}
return result
}
@@ -726,7 +865,7 @@ class ExportService {
if (localType === 47 && options.exportEmojis) {
const result = await this.exportEmoji(msg, sessionId, mediaRootDir, mediaRelativePrefix)
if (result) {
}
}
return result
}
@@ -929,13 +1068,13 @@ class ExportService {
// 下载表情
if (emojiUrl) {
const downloaded = await this.downloadFile(emojiUrl, destPath)
if (downloaded) {
return {
relativePath: path.posix.join(mediaRelativePrefix, 'emojis', fileName),
kind: 'emoji'
}
} else {
}
if (downloaded) {
return {
relativePath: path.posix.join(mediaRelativePrefix, 'emojis', fileName),
kind: 'emoji'
}
} else {
}
}
return null
@@ -1016,7 +1155,7 @@ class ExportService {
*/
private extractEmojiUrl(content: string): string | undefined {
if (!content) return undefined
// 参考 echotrace 的正则：cdnurl\s*=\s*['"]([^'"]+)['"]
// 参考 echotrace 的正则：cdnurl\s*=\s*['"]([^'"]+)['"]
const attrMatch = /cdnurl\s*=\s*['"]([^'"]+)['"]/i.exec(content)
if (attrMatch) {
// 解码 &amp; 等实体
@@ -1181,14 +1320,14 @@ class ExportService {
// 图片消息
imageMd5 = this.extractImageMd5(content)
imageDatName = this.extractImageDatName(content)
} else if (localType === 47 && content) {
} else if (localType === 47 && content) {
// 动画表情
emojiCdnUrl = this.extractEmojiUrl(content)
emojiMd5 = this.extractEmojiMd5(content)
} else if (localType === 43 && content) {
} else if (localType === 43 && content) {
// 视频消息
videoMd5 = this.extractVideoMd5(content)
}
}
rows.push({
localId,
@@ -1506,11 +1645,11 @@ class ExportService {
// ========== 阶段1：并行导出媒体文件 ==========
const mediaMessages = exportMediaEnabled
? allMessages.filter(msg => {
const t = msg.localType
return (t === 3 && options.exportImages) || // 图片
(t === 47 && options.exportEmojis) || // 表情
(t === 34 && options.exportVoices && !options.exportVoiceAsText) // 语音文件（非转文字）
})
const t = msg.localType
return (t === 3 && options.exportImages) || // 图片
(t === 47 && options.exportEmojis) || // 表情
(t === 34 && options.exportVoices && !options.exportVoiceAsText) // 语音文件（非转文字）
})
: []
const mediaCache = new Map<string, MediaExportItem | null>()
@@ -1693,11 +1832,11 @@ class ExportService {
// ========== 阶段1：并行导出媒体文件 ==========
const mediaMessages = exportMediaEnabled
? collected.rows.filter(msg => {
const t = msg.localType
return (t === 3 && options.exportImages) ||
(t === 47 && options.exportEmojis) ||
(t === 34 && options.exportVoices && !options.exportVoiceAsText)
})
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>()
@@ -1886,6 +2025,7 @@ class ExportService {
const collected = await this.collectMessages(sessionId, cleanedMyWxid, options.dateRange)
onProgress?.({
current: 30,
total: 100,
@@ -1962,7 +2102,7 @@ class ExportService {
// 表头行
const headers = useCompactColumns
? ['序号', '时间', '发送者身份', '消息类型', '内容']
: ['序号', '时间', '发送者昵称', '发送者微信ID', '发送者备注', '发送者身份', '消息类型', '内容']
: ['序号', '时间', '发送者昵称', '发送者微信ID', '发送者备注', '群昵称', '发送者身份', '消息类型', '内容']
const headerRow = worksheet.getRow(currentRow)
headerRow.height = 22
@@ -1990,11 +2130,20 @@ class ExportService {
worksheet.getColumn(3).width = 18 // 发送者昵称
worksheet.getColumn(4).width = 25 // 发送者微信ID
worksheet.getColumn(5).width = 18 // 发送者备注
worksheet.getColumn(6).width = 15 // 发送者身份
worksheet.getColumn(7).width = 12 // 消息类型
worksheet.getColumn(8).width = 50 // 内容
worksheet.getColumn(6).width = 18 // 群昵称
worksheet.getColumn(7).width = 15 // 发送者身份
worksheet.getColumn(8).width = 12 // 消息类型
worksheet.getColumn(9).width = 50 // 内容
}
// 预加载群昵称 (仅群聊且完整列模式)
console.log('🔍 预加载群昵称检查: isGroup=', isGroup, 'useCompactColumns=', useCompactColumns, 'sessionId=', sessionId)
const groupNicknamesMap = (isGroup && !useCompactColumns)
? await this.getGroupNicknamesForRoom(sessionId)
: new Map<string, string>()
console.log('🔍 群昵称Map大小:', groupNicknamesMap.size)
// 填充数据
const sortedMessages = collected.rows.sort((a, b) => a.createTime - b.createTime)
@@ -2004,11 +2153,11 @@ class ExportService {
// ========== 并行预处理：媒体文件 ==========
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 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>()
@@ -2074,6 +2223,8 @@ class ExportService {
let senderWxid: string
let senderNickname: string
let senderRemark: string = ''
let senderGroupNickname: string = '' // 群昵称
if (msg.isSend) {
// 我发送的消息
@@ -2113,6 +2264,12 @@ class ExportService {
}
}
// 获取群昵称 (仅群聊且完整列模式)
if (isGroup && !useCompactColumns && senderWxid) {
senderGroupNickname = groupNicknamesMap.get(senderWxid.toLowerCase()) || ''
}
const row = worksheet.getRow(currentRow)
row.height = 24
@@ -2125,7 +2282,7 @@ class ExportService {
// 调试日志
if (msg.localType === 3 || msg.localType === 47) {
}
}
worksheet.getCell(currentRow, 1).value = i + 1
worksheet.getCell(currentRow, 2).value = this.formatTimestamp(msg.createTime)
@@ -2137,13 +2294,14 @@ class ExportService {
worksheet.getCell(currentRow, 3).value = senderNickname
worksheet.getCell(currentRow, 4).value = senderWxid
worksheet.getCell(currentRow, 5).value = senderRemark
worksheet.getCell(currentRow, 6).value = senderRole
worksheet.getCell(currentRow, 7).value = this.getMessageTypeName(msg.localType)
worksheet.getCell(currentRow, 8).value = contentValue
worksheet.getCell(currentRow, 6).value = senderGroupNickname
worksheet.getCell(currentRow, 7).value = senderRole
worksheet.getCell(currentRow, 8).value = this.getMessageTypeName(msg.localType)
worksheet.getCell(currentRow, 9).value = contentValue
}
// 设置每个单元格的样式
const maxColumns = useCompactColumns ? 5 : 8
const maxColumns = useCompactColumns ? 5 : 9
for (let col = 1; col <= maxColumns; col++) {
const cell = worksheet.getCell(currentRow, col)
cell.font = { name: 'Calibri', size: 11 }
@@ -2225,11 +2383,11 @@ class ExportService {
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 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>()
@@ -2399,12 +2557,12 @@ class ExportService {
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) ||
t === 43
})
const t = msg.localType
return (t === 3 && options.exportImages) ||
(t === 47 && options.exportEmojis) ||
(t === 34 && options.exportVoices) ||
t === 43
})
: []
const mediaCache = new Map<string, MediaExportItem | null>()
@@ -2733,15 +2891,15 @@ class ExportService {
fs.mkdirSync(outputDir, { recursive: true })
}
const exportMediaEnabled = options.exportMedia === true &&
Boolean(options.exportImages || options.exportVoices || options.exportEmojis)
const sessionLayout = exportMediaEnabled
? (options.sessionLayout ?? 'per-session')
: 'shared'
const exportMediaEnabled = options.exportMedia === true &&
Boolean(options.exportImages || options.exportVoices || options.exportEmojis)
const sessionLayout = exportMediaEnabled
? (options.sessionLayout ?? 'per-session')
: 'shared'
for (let i = 0; i < sessionIds.length; i++) {
const sessionId = sessionIds[i]
const sessionInfo = await this.getContactInfo(sessionId)
for (let i = 0; i < sessionIds.length; i++) {
const sessionId = sessionIds[i]
const sessionInfo = await this.getContactInfo(sessionId)
onProgress?.({
current: i + 1,
@@ -2750,13 +2908,13 @@ class ExportService {
phase: 'exporting'
})
const safeName = sessionInfo.displayName.replace(/[<>:"/\\|?*]/g, '_')
const useSessionFolder = sessionLayout === 'per-session'
const sessionDir = useSessionFolder ? path.join(outputDir, safeName) : outputDir
const safeName = sessionInfo.displayName.replace(/[<>:"/\\|?*]/g, '_')
const useSessionFolder = sessionLayout === 'per-session'
const sessionDir = useSessionFolder ? path.join(outputDir, safeName) : outputDir
if (useSessionFolder && !fs.existsSync(sessionDir)) {
fs.mkdirSync(sessionDir, { recursive: true })
}
if (useSessionFolder && !fs.existsSync(sessionDir)) {
fs.mkdirSync(sessionDir, { recursive: true })
}
let ext = '.json'
if (options.format === 'chatlab-jsonl') ext = '.jsonl'