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Excel系统维护5大高阶VBA代码,工程师私藏工具箱

1 系统日志自动归档器

Sub 日志归档()

' 按月份自动拆分日志表并加密

Dim logSheet As Worksheet, newSheet As Worksheet

Set logSheet = Sheets("操作日志")

Dim monthKey As String: monthKey = Format(Date, "yyyy-mm")


' 创建带密码的新工作表

Set newSheet = Worksheets.Add(After:=Sheets(Sheets.Count))

newSheet.Name = monthKey & "日志"

logSheet.Range("A1:G10000").AdvancedFilter Action:=xlFilterCopy, CriteriaRange:=logSheet.Range("I1:I2"), CopyToRange:=newSheet.Range("A1")


' 添加工作表保护(密码123)

newSheet.Protect Password:="123", AllowFormattingCells:=True

MsgBox "日志已归档至【" & monthKey & "】表!", vbInformation

End Sub

2 硬盘空间监控仪

Sub 磁盘预警()

' 实时检测C盘剩余空间

Dim diskPath As String: diskPath = "C:\"

Dim freeSpaceGB As Double

freeSpaceGB = CreateObject("Scripting.FileSystemObject").GetDrive(diskPath).FreeSpace / 1024 ^ 3


' 桌面弹窗+单元格变色

If freeSpaceGB < 10 Then

Range("B2").Interior.Color = RGB(255, 0, 0)

Shell "mshta vbscript:msgbox(""C盘剩余空间仅剩"" & " & Round(freeSpaceGB,1) & " & ""GB!"",48,""磁盘警报"")(window.close)", vbHide

End If

End Sub

3 批量配置文件检查器

Sub 配置校验()

' 遍历指定目录检查INI文件完整性

Dim folderPath As String: folderPath = "D:\系统配置\"

Dim file As Object, fso As Object

Set fso = CreateObject("Scripting.FileSystemObject")


For Each file In fso.GetFolder(folderPath).Files

If Right(file.Name, 3) = "ini" Then

' 检查关键字段是否存在

Open file.Path For Input As #1

fileContent = Input(LOF(1), 1)

Close #1

If InStr(fileContent, "[SystemConfig]") = 0 Then

Debug.Print file.Name & " 缺少系统配置段!"

End If

End If

Next

End Sub

4 服务状态看板生成器

Sub 服务监控()

' 抓取Windows服务状态生成可视化报表

Dim serviceDict As Object

Set serviceDict = CreateObject("WScript.Shell").Exec("sc queryex state= all").StdOut.ReadAll


' 解析服务状态到Excel

With Sheets("服务状态")

.Range("A2:D1000").ClearContents

.Range("A1") = "最后刷新:" & Now()

.Range("A2") = Split(Replace(serviceDict, Chr(13) & Chr(10), "|"), "|")

' 高亮停止的服务

.Range("D:D").AutoFilter Field:=4, Criteria1:="STOPPED"

.AutoFilter.Range.Interior.Color = RGB(255, 230, 230)

End With

End Sub

5 数据库自动备份器

Sub 智能备份()

' 每天17点自动备份SQL文件(需配合任务计划)

If Hour(Now()) = 17 Then

Dim backupCmd As String

backupCmd = "mysqldump -u root -p123456 db_production > " & ThisWorkbook.Path & "\backup\" & Format(Now(), "yymmdd") & ".sql"

Shell "cmd /k " & backupCmd, vbHide

' 写入操作日志

Sheets("日志").Cells(Rows.Count, 1).End(xlUp).Offset(1) = Now() & " 数据库备份完成"

End If

End Sub

高阶技巧:

  • 按Alt+F8可直接运行宏
  • 右键菜单绑定宏:开发工具→插入→按钮
  • 设置定时任务:Windows任务计划程序调用宏

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