2025-07-12 19:53:44 +08:00
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package util
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import (
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2025-09-04 20:08:21 +08:00
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"net/url"
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2025-07-12 19:53:44 +08:00
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"strings"
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"time"
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"github.com/PuerkitoBio/goquery"
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"pansou/model"
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)
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2025-09-04 20:08:21 +08:00
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// normalizeUrl 标准化URL,将URL编码的中文部分解码为中文,用于去重
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func normalizeUrl(rawUrl string) string {
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// 解码URL中的编码字符
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decoded, err := url.QueryUnescape(rawUrl)
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if err != nil {
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// 如果解码失败,返回原始URL
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return rawUrl
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}
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return decoded
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}
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2025-07-12 19:53:44 +08:00
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// isSupportedLink 检查链接是否为支持的网盘链接
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func isSupportedLink(url string) bool {
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lowerURL := strings.ToLower(url)
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// 检查是否为百度网盘链接
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if BaiduPanPattern.MatchString(lowerURL) {
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return true
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}
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// 检查是否为天翼云盘链接
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if TianyiPanPattern.MatchString(lowerURL) {
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return true
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}
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// 检查是否为UC网盘链接
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if UCPanPattern.MatchString(lowerURL) {
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return true
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}
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// 检查是否为123网盘链接
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if Pan123Pattern.MatchString(lowerURL) {
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return true
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}
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// 检查是否为夸克网盘链接
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if QuarkPanPattern.MatchString(lowerURL) {
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return true
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}
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// 检查是否为迅雷网盘链接
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if XunleiPanPattern.MatchString(lowerURL) {
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return true
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}
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// 检查是否为115网盘链接
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if Pan115Pattern.MatchString(lowerURL) {
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return true
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}
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// 使用通用模式检查其他网盘链接
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return AllPanLinksPattern.MatchString(lowerURL)
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}
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// normalizeBaiduPanURL 标准化百度网盘URL,确保链接格式正确并且包含密码参数
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func normalizeBaiduPanURL(url string, password string) string {
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// 清理URL,确保获取正确的链接部分
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url = CleanBaiduPanURL(url)
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// 如果URL已经包含pwd参数,不需要再添加
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if strings.Contains(url, "?pwd=") {
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return url
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}
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// 如果有提取到密码,且URL不包含pwd参数,则添加
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if password != "" {
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// 确保密码是4位
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if len(password) > 4 {
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password = password[:4]
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}
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return url + "?pwd=" + password
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}
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return url
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}
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// normalizeTianyiPanURL 标准化天翼云盘URL,确保链接格式正确
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func normalizeTianyiPanURL(url string, password string) string {
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// 清理URL,确保获取正确的链接部分
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url = CleanTianyiPanURL(url)
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// 天翼云盘链接通常不在URL中包含密码参数,所以这里不做处理
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// 但是我们确保返回的是干净的链接
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return url
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}
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// normalizeUCPanURL 标准化UC网盘URL,确保链接格式正确
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func normalizeUCPanURL(url string, password string) string {
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// 清理URL,确保获取正确的链接部分
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url = CleanUCPanURL(url)
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// UC网盘链接通常使用?public=1参数表示公开分享
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// 确保链接格式正确,但不添加密码参数
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return url
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}
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// normalize123PanURL 标准化123网盘URL,确保链接格式正确
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func normalize123PanURL(url string, password string) string {
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// 清理URL,确保获取正确的链接部分
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url = Clean123PanURL(url)
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// 123网盘链接通常不在URL中包含密码参数
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// 但是我们确保返回的是干净的链接
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return url
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}
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// normalize115PanURL 标准化115网盘URL,确保链接格式正确
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func normalize115PanURL(url string, password string) string {
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// 清理URL,确保获取正确的链接部分,只保留到password=后面4位密码
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url = Clean115PanURL(url)
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// 115网盘链接已经在Clean115PanURL中处理了密码部分
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// 这里不需要额外添加密码参数
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return url
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}
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// ParseSearchResults 解析搜索结果页面
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func ParseSearchResults(html string, channel string) ([]model.SearchResult, string, error) {
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doc, err := goquery.NewDocumentFromReader(strings.NewReader(html))
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if err != nil {
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return nil, "", err
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}
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var results []model.SearchResult
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var nextPageParam string
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// 查找消息块
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doc.Find(".tgme_widget_message_wrap").Each(func(i int, s *goquery.Selection) {
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messageDiv := s.Find(".tgme_widget_message")
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// 提取消息ID
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dataPost, exists := messageDiv.Attr("data-post")
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if !exists {
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return
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}
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parts := strings.Split(dataPost, "/")
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if len(parts) != 2 {
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return
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}
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messageID := parts[1]
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// 生成全局唯一ID
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uniqueID := channel + "_" + messageID
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// 提取时间
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timeStr, exists := messageDiv.Find(".tgme_widget_message_date time").Attr("datetime")
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if !exists {
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return
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}
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datetime, err := time.Parse(time.RFC3339, timeStr)
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if err != nil {
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return
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}
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// 获取消息文本元素
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messageTextElem := messageDiv.Find(".tgme_widget_message_text")
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// 获取消息文本的HTML内容
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messageHTML, _ := messageTextElem.Html()
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// 获取消息的纯文本内容
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messageText := messageTextElem.Text()
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// 提取标题
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title := extractTitle(messageHTML, messageText)
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// 提取网盘链接 - 使用更精确的方法
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var links []model.Link
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var foundLinks = make(map[string]bool) // 用于去重
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var baiduLinkPasswords = make(map[string]string) // 存储百度链接和对应的密码
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var tianyiLinkPasswords = make(map[string]string) // 存储天翼链接和对应的密码
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var ucLinkPasswords = make(map[string]string) // 存储UC链接和对应的密码
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var pan123LinkPasswords = make(map[string]string) // 存储123网盘链接和对应的密码
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var pan115LinkPasswords = make(map[string]string) // 存储115网盘链接和对应的密码
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var aliyunLinkPasswords = make(map[string]string) // 存储阿里云盘链接和对应的密码
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// 1. 从文本内容中提取所有网盘链接和密码
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extractedLinks := ExtractNetDiskLinks(messageText)
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// 2. 从a标签中提取链接
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messageTextElem.Find("a").Each(func(i int, a *goquery.Selection) {
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href, exists := a.Attr("href")
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if !exists {
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return
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}
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// 使用更精确的方式匹配网盘链接
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if isSupportedLink(href) {
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linkType := GetLinkType(href)
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password := ExtractPassword(messageText, href)
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// 如果是百度网盘链接,记录链接和密码的对应关系
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if linkType == "baidu" {
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// 提取链接的基本部分(不含密码参数)
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baseURL := href
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if strings.Contains(href, "?pwd=") {
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baseURL = href[:strings.Index(href, "?pwd=")]
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}
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// 记录密码
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if password != "" {
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baiduLinkPasswords[baseURL] = password
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}
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} else if linkType == "tianyi" {
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// 如果是天翼云盘链接,记录链接和密码的对应关系
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baseURL := CleanTianyiPanURL(href)
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// 记录密码
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if password != "" {
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tianyiLinkPasswords[baseURL] = password
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} else {
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// 即使没有密码,也添加到映射中,以便后续处理
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if _, exists := tianyiLinkPasswords[baseURL]; !exists {
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tianyiLinkPasswords[baseURL] = ""
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}
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}
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} else if linkType == "uc" {
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// 如果是UC网盘链接,记录链接和密码的对应关系
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baseURL := CleanUCPanURL(href)
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// 记录密码
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if password != "" {
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ucLinkPasswords[baseURL] = password
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} else {
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// 即使没有密码,也添加到映射中,以便后续处理
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if _, exists := ucLinkPasswords[baseURL]; !exists {
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ucLinkPasswords[baseURL] = ""
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}
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}
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} else if linkType == "123" {
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// 如果是123网盘链接,记录链接和密码的对应关系
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baseURL := Clean123PanURL(href)
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// 记录密码
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if password != "" {
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pan123LinkPasswords[baseURL] = password
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} else {
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// 即使没有密码,也添加到映射中,以便后续处理
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if _, exists := pan123LinkPasswords[baseURL]; !exists {
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pan123LinkPasswords[baseURL] = ""
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}
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}
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} else if linkType == "115" {
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// 如果是115网盘链接,记录链接和密码的对应关系
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baseURL := Clean115PanURL(href)
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// 记录密码
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if password != "" {
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pan115LinkPasswords[baseURL] = password
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} else {
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// 即使没有密码,也添加到映射中,以便后续处理
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if _, exists := pan115LinkPasswords[baseURL]; !exists {
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pan115LinkPasswords[baseURL] = ""
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}
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}
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} else if linkType == "aliyun" {
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// 如果是阿里云盘链接,记录链接和密码的对应关系
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baseURL := CleanAliyunPanURL(href)
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// 记录密码
|
|
|
|
|
|
if password != "" {
|
|
|
|
|
|
aliyunLinkPasswords[baseURL] = password
|
|
|
|
|
|
} else {
|
|
|
|
|
|
// 即使没有密码,也添加到映射中,以便后续处理
|
|
|
|
|
|
if _, exists := aliyunLinkPasswords[baseURL]; !exists {
|
|
|
|
|
|
aliyunLinkPasswords[baseURL] = ""
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
} else {
|
|
|
|
|
|
// 非特殊处理的网盘链接直接添加
|
2025-09-04 20:08:21 +08:00
|
|
|
|
// 使用标准化的URL进行去重
|
|
|
|
|
|
normalizedHref := normalizeUrl(href)
|
|
|
|
|
|
if !foundLinks[normalizedHref] {
|
|
|
|
|
|
foundLinks[normalizedHref] = true
|
2025-07-19 15:56:03 +08:00
|
|
|
|
links = append(links, model.Link{
|
|
|
|
|
|
Type: linkType,
|
2025-09-04 20:08:21 +08:00
|
|
|
|
URL: normalizedHref, // 使用标准化的URL
|
2025-07-19 15:56:03 +08:00
|
|
|
|
Password: password,
|
|
|
|
|
|
})
|
2025-07-12 19:53:44 +08:00
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
})
|
|
|
|
|
|
|
|
|
|
|
|
// 3. 处理从文本中提取的链接
|
|
|
|
|
|
for _, linkURL := range extractedLinks {
|
|
|
|
|
|
linkType := GetLinkType(linkURL)
|
|
|
|
|
|
password := ExtractPassword(messageText, linkURL)
|
|
|
|
|
|
|
|
|
|
|
|
// 如果是百度网盘链接,记录链接和密码的对应关系
|
|
|
|
|
|
if linkType == "baidu" {
|
|
|
|
|
|
// 提取链接的基本部分(不含密码参数)
|
|
|
|
|
|
baseURL := linkURL
|
|
|
|
|
|
if strings.Contains(linkURL, "?pwd=") {
|
|
|
|
|
|
baseURL = linkURL[:strings.Index(linkURL, "?pwd=")]
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// 记录密码
|
|
|
|
|
|
if password != "" {
|
|
|
|
|
|
baiduLinkPasswords[baseURL] = password
|
|
|
|
|
|
}
|
|
|
|
|
|
} else if linkType == "tianyi" {
|
|
|
|
|
|
// 如果是天翼云盘链接,记录链接和密码的对应关系
|
|
|
|
|
|
baseURL := CleanTianyiPanURL(linkURL)
|
|
|
|
|
|
|
|
|
|
|
|
// 记录密码
|
|
|
|
|
|
if password != "" {
|
|
|
|
|
|
tianyiLinkPasswords[baseURL] = password
|
|
|
|
|
|
} else {
|
|
|
|
|
|
// 即使没有密码,也添加到映射中,以便后续处理
|
|
|
|
|
|
if _, exists := tianyiLinkPasswords[baseURL]; !exists {
|
|
|
|
|
|
tianyiLinkPasswords[baseURL] = ""
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
} else if linkType == "uc" {
|
|
|
|
|
|
// 如果是UC网盘链接,记录链接和密码的对应关系
|
|
|
|
|
|
baseURL := CleanUCPanURL(linkURL)
|
|
|
|
|
|
|
|
|
|
|
|
// 记录密码
|
|
|
|
|
|
if password != "" {
|
|
|
|
|
|
ucLinkPasswords[baseURL] = password
|
|
|
|
|
|
} else {
|
|
|
|
|
|
// 即使没有密码,也添加到映射中,以便后续处理
|
|
|
|
|
|
if _, exists := ucLinkPasswords[baseURL]; !exists {
|
|
|
|
|
|
ucLinkPasswords[baseURL] = ""
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
} else if linkType == "123" {
|
|
|
|
|
|
// 如果是123网盘链接,记录链接和密码的对应关系
|
|
|
|
|
|
baseURL := Clean123PanURL(linkURL)
|
|
|
|
|
|
|
|
|
|
|
|
// 记录密码
|
|
|
|
|
|
if password != "" {
|
|
|
|
|
|
pan123LinkPasswords[baseURL] = password
|
|
|
|
|
|
} else {
|
|
|
|
|
|
// 即使没有密码,也添加到映射中,以便后续处理
|
|
|
|
|
|
if _, exists := pan123LinkPasswords[baseURL]; !exists {
|
|
|
|
|
|
pan123LinkPasswords[baseURL] = ""
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
} else if linkType == "115" {
|
|
|
|
|
|
// 如果是115网盘链接,记录链接和密码的对应关系
|
|
|
|
|
|
baseURL := Clean115PanURL(linkURL)
|
|
|
|
|
|
|
|
|
|
|
|
// 记录密码
|
|
|
|
|
|
if password != "" {
|
|
|
|
|
|
pan115LinkPasswords[baseURL] = password
|
|
|
|
|
|
} else {
|
|
|
|
|
|
// 即使没有密码,也添加到映射中,以便后续处理
|
|
|
|
|
|
if _, exists := pan115LinkPasswords[baseURL]; !exists {
|
|
|
|
|
|
pan115LinkPasswords[baseURL] = ""
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
} else if linkType == "aliyun" {
|
|
|
|
|
|
// 如果是阿里云盘链接,记录链接和密码的对应关系
|
|
|
|
|
|
baseURL := CleanAliyunPanURL(linkURL)
|
|
|
|
|
|
|
|
|
|
|
|
// 记录密码
|
|
|
|
|
|
if password != "" {
|
|
|
|
|
|
aliyunLinkPasswords[baseURL] = password
|
|
|
|
|
|
} else {
|
|
|
|
|
|
// 即使没有密码,也添加到映射中,以便后续处理
|
|
|
|
|
|
if _, exists := aliyunLinkPasswords[baseURL]; !exists {
|
|
|
|
|
|
aliyunLinkPasswords[baseURL] = ""
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
} else {
|
|
|
|
|
|
// 非特殊处理的网盘链接直接添加
|
2025-09-04 20:08:21 +08:00
|
|
|
|
// 使用标准化的URL进行去重
|
|
|
|
|
|
normalizedLinkURL := normalizeUrl(linkURL)
|
|
|
|
|
|
if !foundLinks[normalizedLinkURL] {
|
|
|
|
|
|
foundLinks[normalizedLinkURL] = true
|
2025-07-12 19:53:44 +08:00
|
|
|
|
links = append(links, model.Link{
|
|
|
|
|
|
Type: linkType,
|
2025-09-04 20:08:21 +08:00
|
|
|
|
URL: normalizedLinkURL, // 使用标准化的URL
|
2025-07-12 19:53:44 +08:00
|
|
|
|
Password: password,
|
|
|
|
|
|
})
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// 4. 处理百度网盘链接,确保每个链接只有一个版本(带密码的完整版本)
|
|
|
|
|
|
for baseURL, password := range baiduLinkPasswords {
|
|
|
|
|
|
normalizedURL := normalizeBaiduPanURL(baseURL, password)
|
|
|
|
|
|
|
|
|
|
|
|
// 确保链接不重复
|
|
|
|
|
|
if !foundLinks[normalizedURL] {
|
|
|
|
|
|
foundLinks[normalizedURL] = true
|
|
|
|
|
|
links = append(links, model.Link{
|
|
|
|
|
|
Type: "baidu",
|
|
|
|
|
|
URL: normalizedURL,
|
|
|
|
|
|
Password: password,
|
|
|
|
|
|
})
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// 5. 处理天翼云盘链接,确保每个链接只有一个版本
|
|
|
|
|
|
for baseURL, password := range tianyiLinkPasswords {
|
|
|
|
|
|
normalizedURL := normalizeTianyiPanURL(baseURL, password)
|
|
|
|
|
|
|
|
|
|
|
|
// 确保链接不重复
|
|
|
|
|
|
if !foundLinks[normalizedURL] {
|
|
|
|
|
|
foundLinks[normalizedURL] = true
|
|
|
|
|
|
links = append(links, model.Link{
|
|
|
|
|
|
Type: "tianyi",
|
|
|
|
|
|
URL: normalizedURL,
|
|
|
|
|
|
Password: password,
|
|
|
|
|
|
})
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// 6. 处理UC网盘链接,确保每个链接只有一个版本
|
|
|
|
|
|
for baseURL, password := range ucLinkPasswords {
|
|
|
|
|
|
normalizedURL := normalizeUCPanURL(baseURL, password)
|
|
|
|
|
|
|
|
|
|
|
|
// 确保链接不重复
|
|
|
|
|
|
if !foundLinks[normalizedURL] {
|
|
|
|
|
|
foundLinks[normalizedURL] = true
|
|
|
|
|
|
links = append(links, model.Link{
|
|
|
|
|
|
Type: "uc",
|
|
|
|
|
|
URL: normalizedURL,
|
|
|
|
|
|
Password: password,
|
|
|
|
|
|
})
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// 7. 处理123网盘链接,确保每个链接只有一个版本
|
|
|
|
|
|
for baseURL, password := range pan123LinkPasswords {
|
|
|
|
|
|
normalizedURL := normalize123PanURL(baseURL, password)
|
|
|
|
|
|
|
|
|
|
|
|
// 确保链接不重复
|
|
|
|
|
|
if !foundLinks[normalizedURL] {
|
|
|
|
|
|
foundLinks[normalizedURL] = true
|
|
|
|
|
|
links = append(links, model.Link{
|
|
|
|
|
|
Type: "123",
|
|
|
|
|
|
URL: normalizedURL,
|
|
|
|
|
|
Password: password,
|
|
|
|
|
|
})
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// 8. 处理115网盘链接,确保每个链接只有一个版本
|
|
|
|
|
|
for baseURL, password := range pan115LinkPasswords {
|
|
|
|
|
|
normalizedURL := normalize115PanURL(baseURL, password)
|
|
|
|
|
|
|
|
|
|
|
|
// 确保链接不重复
|
|
|
|
|
|
if !foundLinks[normalizedURL] {
|
|
|
|
|
|
foundLinks[normalizedURL] = true
|
|
|
|
|
|
links = append(links, model.Link{
|
|
|
|
|
|
Type: "115",
|
|
|
|
|
|
URL: normalizedURL,
|
|
|
|
|
|
Password: password,
|
|
|
|
|
|
})
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// 9. 处理阿里云盘链接,确保每个链接只有一个版本
|
|
|
|
|
|
for baseURL, password := range aliyunLinkPasswords {
|
|
|
|
|
|
normalizedURL := CleanAliyunPanURL(baseURL) // 阿里云盘URL通常不包含密码参数
|
|
|
|
|
|
|
|
|
|
|
|
// 确保链接不重复
|
|
|
|
|
|
if !foundLinks[normalizedURL] {
|
|
|
|
|
|
foundLinks[normalizedURL] = true
|
|
|
|
|
|
links = append(links, model.Link{
|
|
|
|
|
|
Type: "aliyun",
|
|
|
|
|
|
URL: normalizedURL,
|
|
|
|
|
|
Password: password,
|
|
|
|
|
|
})
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// 提取标签
|
|
|
|
|
|
var tags []string
|
|
|
|
|
|
messageTextElem.Find("a[href^='?q=%23']").Each(func(i int, a *goquery.Selection) {
|
|
|
|
|
|
tag := a.Text()
|
|
|
|
|
|
if strings.HasPrefix(tag, "#") {
|
|
|
|
|
|
tags = append(tags, tag[1:])
|
|
|
|
|
|
}
|
|
|
|
|
|
})
|
|
|
|
|
|
|
2025-08-04 21:13:12 +08:00
|
|
|
|
// 提取图片链接(只从消息内容区域提取,排除用户头像)
|
|
|
|
|
|
var images []string
|
|
|
|
|
|
var foundImages = make(map[string]bool) // 用于去重
|
|
|
|
|
|
|
|
|
|
|
|
// 获取消息气泡区域,排除用户头像区域
|
|
|
|
|
|
messageBubble := messageDiv.Find(".tgme_widget_message_bubble")
|
|
|
|
|
|
|
|
|
|
|
|
// 1. 从消息内容中的图片包装元素提取图片
|
|
|
|
|
|
messageBubble.Find(".tgme_widget_message_photo_wrap").Each(func(i int, photoWrap *goquery.Selection) {
|
|
|
|
|
|
// 检查style属性中的background-image
|
|
|
|
|
|
style, exists := photoWrap.Attr("style")
|
|
|
|
|
|
if exists {
|
|
|
|
|
|
imageURL := extractImageURLFromStyle(style)
|
|
|
|
|
|
if imageURL != "" && !foundImages[imageURL] {
|
|
|
|
|
|
foundImages[imageURL] = true
|
|
|
|
|
|
images = append(images, imageURL)
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
})
|
|
|
|
|
|
|
|
|
|
|
|
// 2. 从消息内容中的其他可能包含图片的元素提取(排除用户头像)
|
|
|
|
|
|
messageBubble.Find("img").Each(func(i int, img *goquery.Selection) {
|
|
|
|
|
|
src, exists := img.Attr("src")
|
|
|
|
|
|
if exists && src != "" && !foundImages[src] {
|
|
|
|
|
|
foundImages[src] = true
|
|
|
|
|
|
images = append(images, src)
|
|
|
|
|
|
}
|
|
|
|
|
|
})
|
|
|
|
|
|
|
2025-07-12 19:53:44 +08:00
|
|
|
|
// 只有包含链接的消息才添加到结果中
|
|
|
|
|
|
if len(links) > 0 {
|
|
|
|
|
|
results = append(results, model.SearchResult{
|
|
|
|
|
|
MessageID: messageID,
|
|
|
|
|
|
UniqueID: uniqueID,
|
|
|
|
|
|
Channel: channel,
|
|
|
|
|
|
Datetime: datetime,
|
|
|
|
|
|
Title: title,
|
|
|
|
|
|
Content: messageText,
|
|
|
|
|
|
Links: links,
|
|
|
|
|
|
Tags: tags,
|
2025-08-04 21:13:12 +08:00
|
|
|
|
Images: images,
|
2025-07-12 19:53:44 +08:00
|
|
|
|
})
|
|
|
|
|
|
}
|
|
|
|
|
|
})
|
|
|
|
|
|
|
|
|
|
|
|
return results, nextPageParam, nil
|
|
|
|
|
|
}
|
|
|
|
|
|
|
2025-10-30 20:25:34 +08:00
|
|
|
|
// CutTitleByKeywords 根据关键词进行裁剪,保留最前关键词前的部分
|
|
|
|
|
|
func CutTitleByKeywords(title string, keywords []string) string {
|
|
|
|
|
|
minIdx := -1
|
|
|
|
|
|
for _, kw := range keywords {
|
|
|
|
|
|
if idx := strings.Index(title, kw); idx >= 0 && (minIdx == -1 || idx < minIdx) {
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|
minIdx = idx
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|
|
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}
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|
|
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|
|
}
|
|
|
|
|
|
if minIdx > 0 {
|
|
|
|
|
|
return strings.TrimSpace(title[:minIdx])
|
|
|
|
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|
}
|
|
|
|
|
|
return strings.TrimSpace(title)
|
|
|
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|
}
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|
|
2025-08-04 21:13:12 +08:00
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|
|
// extractImageURLFromStyle 从CSS样式字符串中提取background-image的URL
|
|
|
|
|
|
func extractImageURLFromStyle(style string) string {
|
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|
|
|
|
// 查找background-image:url('...') 或 background-image:url("...")
|
|
|
|
|
|
startPattern := "background-image:url('"
|
|
|
|
|
|
endPattern := "')"
|
|
|
|
|
|
|
|
|
|
|
|
startIndex := strings.Index(style, startPattern)
|
|
|
|
|
|
if startIndex != -1 {
|
|
|
|
|
|
startIndex += len(startPattern)
|
|
|
|
|
|
endIndex := strings.Index(style[startIndex:], endPattern)
|
|
|
|
|
|
if endIndex != -1 {
|
|
|
|
|
|
return style[startIndex : startIndex+endIndex]
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// 尝试双引号格式
|
|
|
|
|
|
startPattern = `background-image:url("`
|
|
|
|
|
|
endPattern = `")`
|
|
|
|
|
|
|
|
|
|
|
|
startIndex = strings.Index(style, startPattern)
|
|
|
|
|
|
if startIndex != -1 {
|
|
|
|
|
|
startIndex += len(startPattern)
|
|
|
|
|
|
endIndex := strings.Index(style[startIndex:], endPattern)
|
|
|
|
|
|
if endIndex != -1 {
|
|
|
|
|
|
return style[startIndex : startIndex+endIndex]
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// 尝试无引号格式
|
|
|
|
|
|
startPattern = "background-image:url("
|
|
|
|
|
|
endPattern = ")"
|
|
|
|
|
|
|
|
|
|
|
|
startIndex = strings.Index(style, startPattern)
|
|
|
|
|
|
if startIndex != -1 {
|
|
|
|
|
|
startIndex += len(startPattern)
|
|
|
|
|
|
endIndex := strings.Index(style[startIndex:], endPattern)
|
|
|
|
|
|
if endIndex != -1 {
|
|
|
|
|
|
url := style[startIndex : startIndex+endIndex]
|
|
|
|
|
|
// 移除可能的引号
|
|
|
|
|
|
url = strings.Trim(url, "'\"")
|
|
|
|
|
|
return url
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
return ""
|
|
|
|
|
|
}
|
|
|
|
|
|
|
2025-07-12 19:53:44 +08:00
|
|
|
|
// extractTitle 从消息HTML和文本内容中提取标题
|
|
|
|
|
|
func extractTitle(htmlContent string, textContent string) string {
|
|
|
|
|
|
// 从HTML内容中提取标题
|
|
|
|
|
|
if brIndex := strings.Index(htmlContent, "<br"); brIndex > 0 {
|
|
|
|
|
|
// 提取<br>前的HTML内容
|
|
|
|
|
|
firstLineHTML := htmlContent[:brIndex]
|
|
|
|
|
|
|
|
|
|
|
|
// 创建一个文档来解析这个HTML片段
|
|
|
|
|
|
doc, err := goquery.NewDocumentFromReader(strings.NewReader("<div>" + firstLineHTML + "</div>"))
|
|
|
|
|
|
if err == nil {
|
|
|
|
|
|
// 获取解析后的文本
|
|
|
|
|
|
firstLine := strings.TrimSpace(doc.Text())
|
|
|
|
|
|
|
|
|
|
|
|
// 如果第一行以"名称:"开头,则提取冒号后面的内容作为标题
|
|
|
|
|
|
if strings.HasPrefix(firstLine, "名称:") {
|
|
|
|
|
|
return strings.TrimSpace(firstLine[len("名称:"):])
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
return firstLine
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// 如果HTML解析失败,则使用纯文本内容
|
|
|
|
|
|
lines := strings.Split(textContent, "\n")
|
|
|
|
|
|
if len(lines) == 0 {
|
|
|
|
|
|
return ""
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// 第一行通常是标题
|
|
|
|
|
|
firstLine := strings.TrimSpace(lines[0])
|
|
|
|
|
|
|
|
|
|
|
|
// 如果第一行以"名称:"开头,则提取冒号后面的内容作为标题
|
|
|
|
|
|
if strings.HasPrefix(firstLine, "名称:") {
|
|
|
|
|
|
return strings.TrimSpace(firstLine[len("名称:"):])
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// 否则直接使用第一行作为标题
|
2025-10-30 20:25:34 +08:00
|
|
|
|
result := firstLine
|
|
|
|
|
|
// 统一裁剪:遇到简介/描述等关键字时,只保留前半部分
|
|
|
|
|
|
result = CutTitleByKeywords(result, []string{"简介", "描述"})
|
|
|
|
|
|
return result
|
2025-07-12 19:53:44 +08:00
|
|
|
|
}
|