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21
backend/tools/view_db.bat
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21
backend/tools/view_db.bat
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@echo off
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chcp 65001 >nul
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cls
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echo ===============================================
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echo 📊 数据库内容查看工具
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echo ===============================================
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echo.
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cd /d "%~dp0"
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echo 正在查询数据库...
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echo.
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go run view_db.go
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echo.
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echo ===============================================
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echo 查询完成！
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echo ===============================================
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pause
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231
backend/tools/view_db.go
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231
backend/tools/view_db.go
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package main
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import (
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"database/sql"
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"encoding/json"
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"fmt"
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"log"
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_ "modernc.org/sqlite"
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)
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func main() {
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// 打开数据库
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db, err := sql.Open("sqlite", "../../data/wechat_articles.db")
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if err != nil {
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log.Fatal("打开数据库失败:", err)
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}
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defer db.Close()
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fmt.Println("=" + repeatStr("=", 80))
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fmt.Println("📊 微信公众号文章数据库内容查看")
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fmt.Println("=" + repeatStr("=", 80))
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// 查询公众号
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fmt.Println("\n📢 【公众号列表】")
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fmt.Println(repeatStr("-", 80))
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queryOfficialAccounts(db)
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// 查询文章
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fmt.Println("\n📝 【文章列表】")
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fmt.Println(repeatStr("-", 80))
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queryArticles(db)
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// 查询文章内容
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fmt.Println("\n📄 【文章详细内容】")
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fmt.Println(repeatStr("-", 80))
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queryArticleContents(db)
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fmt.Println("\n" + repeatStr("=", 80))
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}
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func queryOfficialAccounts(db *sql.DB) {
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rows, err := db.Query(`
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SELECT id, biz, nickname, homepage, description, created_at, updated_at
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FROM official_accounts
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ORDER BY id
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`)
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if err != nil {
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log.Printf("查询公众号失败: %v\n", err)
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return
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}
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defer rows.Close()
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count := 0
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for rows.Next() {
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var id int
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var biz, nickname, homepage, description, createdAt, updatedAt string
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err := rows.Scan(&id, &biz, &nickname, &homepage, &description, &createdAt, &updatedAt)
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if err != nil {
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log.Printf("读取数据失败: %v\n", err)
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continue
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}
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count++
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fmt.Printf("\n🔹 公众号 #%d\n", id)
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fmt.Printf(" 名称: %s\n", nickname)
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fmt.Printf(" BIZ: %s\n", biz)
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fmt.Printf(" 主页: %s\n", homepage)
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fmt.Printf(" 简介: %s\n", description)
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fmt.Printf(" 创建时间: %s\n", createdAt)
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fmt.Printf(" 更新时间: %s\n", updatedAt)
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}
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if count == 0 {
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fmt.Println(" 暂无数据")
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} else {
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fmt.Printf("\n总计: %d 个公众号\n", count)
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}
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}
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func queryArticles(db *sql.DB) {
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rows, err := db.Query(`
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SELECT a.id, a.official_id, a.title, a.author, a.link, a.publish_time,
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a.read_num, a.like_num, a.share_num, a.paragraph_count,
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a.content_preview, a.created_at, oa.nickname
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FROM articles a
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LEFT JOIN official_accounts oa ON a.official_id = oa.id
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ORDER BY a.id
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`)
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if err != nil {
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log.Printf("查询文章失败: %v\n", err)
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return
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}
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defer rows.Close()
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count := 0
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for rows.Next() {
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var id, officialID, readNum, likeNum, shareNum, paragraphCount int
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var title, author, link, publishTime, contentPreview, createdAt, officialName sql.NullString
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err := rows.Scan(&id, &officialID, &title, &author, &link, &publishTime,
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&readNum, &likeNum, &shareNum, ¶graphCount, &contentPreview, &createdAt, &officialName)
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if err != nil {
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log.Printf("读取数据失败: %v\n", err)
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continue
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}
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count++
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fmt.Printf("\n🔹 文章 #%d\n", id)
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fmt.Printf(" 标题: %s\n", getStringValue(title))
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if officialName.Valid {
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fmt.Printf(" 公众号: %s\n", officialName.String)
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}
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fmt.Printf(" 作者: %s\n", getStringValue(author))
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fmt.Printf(" 链接: %s\n", getStringValue(link))
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fmt.Printf(" 发布时间: %s\n", getStringValue(publishTime))
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fmt.Printf(" 阅读数: %d | 点赞数: %d | 分享数: %d\n", readNum, likeNum, shareNum)
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fmt.Printf(" 段落数: %d\n", paragraphCount)
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if contentPreview.Valid && contentPreview.String != "" {
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preview := contentPreview.String
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if len(preview) > 100 {
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preview = preview[:100] + "..."
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}
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fmt.Printf(" 内容预览: %s\n", preview)
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}
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fmt.Printf(" 抓取时间: %s\n", getStringValue(createdAt))
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}
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if count == 0 {
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fmt.Println(" 暂无数据")
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} else {
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fmt.Printf("\n总计: %d 篇文章\n", count)
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}
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}
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func queryArticleContents(db *sql.DB) {
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rows, err := db.Query(`
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SELECT ac.id, ac.article_id, ac.html_content, ac.text_content,
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ac.paragraphs, ac.images, ac.created_at, a.title
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FROM article_contents ac
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LEFT JOIN articles a ON ac.article_id = a.id
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ORDER BY ac.id
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`)
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if err != nil {
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log.Printf("查询文章内容失败: %v\n", err)
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return
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}
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defer rows.Close()
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count := 0
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for rows.Next() {
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var id, articleID int
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var htmlContent, textContent, paragraphs, images, createdAt, title sql.NullString
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err := rows.Scan(&id, &articleID, &htmlContent, &textContent,
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¶graphs, &images, &createdAt, &title)
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if err != nil {
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log.Printf("读取数据失败: %v\n", err)
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continue
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}
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count++
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fmt.Printf("\n🔹 内容 #%d (文章ID: %d)\n", id, articleID)
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if title.Valid {
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fmt.Printf(" 文章标题: %s\n", title.String)
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}
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// HTML内容长度
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htmlLen := 0
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if htmlContent.Valid {
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htmlLen = len(htmlContent.String)
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}
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fmt.Printf(" HTML内容长度: %d 字符\n", htmlLen)
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// 文本内容
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if textContent.Valid && textContent.String != "" {
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text := textContent.String
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if len(text) > 200 {
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text = text[:200] + "..."
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}
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fmt.Printf(" 文本内容: %s\n", text)
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}
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// 段落信息
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if paragraphs.Valid && paragraphs.String != "" {
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var paragraphList []interface{}
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if err := json.Unmarshal([]byte(paragraphs.String), ¶graphList); err == nil {
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fmt.Printf(" 段落数量: %d\n", len(paragraphList))
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}
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}
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// 图片信息
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if images.Valid && images.String != "" {
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var imageList []interface{}
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if err := json.Unmarshal([]byte(images.String), &imageList); err == nil {
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fmt.Printf(" 图片数量: %d\n", len(imageList))
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if len(imageList) > 0 {
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fmt.Printf(" 图片URL:\n")
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for i, img := range imageList {
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if i >= 3 {
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fmt.Printf(" ... 还有 %d 张图片\n", len(imageList)-3)
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break
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}
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fmt.Printf(" %d. %v\n", i+1, img)
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}
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}
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}
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}
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fmt.Printf(" 存储时间: %s\n", getStringValue(createdAt))
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}
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if count == 0 {
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fmt.Println(" 暂无数据")
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} else {
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fmt.Printf("\n总计: %d 条详细内容\n", count)
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}
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}
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func getStringValue(s sql.NullString) string {
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if s.Valid {
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return s.String
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}
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return ""
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}
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func repeatStr(s string, n int) string {
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result := ""
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for i := 0; i < n; i++ {
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result += s
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}
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return result
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}
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