想编一个小程序,里面有一个功能,用来记录系统运行时间和次数的,程序运行后( Form_Load())自动在D盘生成一个SYS.TXT文件(如果文件已存在就是更新),自动换行,并在首行记录一下当前时间和运行的累记次数,自动保存,要怎么写代码?3,2009.6.9 10:10
2,2009.6.8 5:25
1,2009.6.5 8:12如果 “,”前面的累计数字这种方式不好写的话,那么就只要一个最终累计也行3
2009.6.9 10:10
2009.6.8 5:25
2009.6.5 8:12谢谢!!!!!!!
2,2009.6.8 5:25
1,2009.6.5 8:12如果 “,”前面的累计数字这种方式不好写的话,那么就只要一个最终累计也行3
2009.6.9 10:10
2009.6.8 5:25
2009.6.5 8:12谢谢!!!!!!!
Open "D:\sys.txt" For Append As #1
Print #1, Format(Date, "YYYY.M.D") & " " & Time$
Close #1
End Sub
Dim l As Integer
Dim str As String
Dim str1 As String
Private Sub Form_Load()
On Error GoTo useErr
Open "D:\sys.txt" For Input As #1
Do While Not EOF(1)
Input #1, str1
str = str & str1 & Chr(13) & Chr(10)
l = l + 1
Loop
Close
Open "D:\sys.txt" For Append As #1
Print #1, l + 1 & "," & Format(Date, "YYYY.M.D") & " " & Time$
Close #1
Exit Sub
useErr:
Open "D:\sys.txt" For Append As #1
Print #1, l + 1 & "," & Format(Date, "YYYY.M.D") & " " & Time$
Close #1
End Sub
1.取当前系统时间
2.读文件sys.txt第一行取累计次数和时间
3.打开一个新临时文本文件,循环读sys.txt各行,重新写到新临时文件(根据当前系统时间是否等于第二步 取的时间更新第一行)
4.删除sys.txt,重命名新临时文件为sys.txt
end sub另,最好根据文本文件的行数来决定是否重新计数.没时间写具体代码,一会要出去办事了,有时间回来再写
Dim l As Integer
Dim strSj As String
Dim str1 As String
Dim pSj As String
Private Sub Form_Load()
On Error GoTo useErr
Open "D:\sys.txt" For Input As #1
Do While Not EOF(1)
Line Input #1, str1
strSj = strSj & str1 & Chr(13) & Chr(10)
l = l + 1
Loop
Close
Text1 = strSj
pSj = (l + 1) & "," & Format(Date, "YYYY.M.D") & " " & Time$
Open "D:\sys.txt" For Append As #1
Print #1, pSj
Close #1
Exit Sub
useErr:
Open "D:\sys.txt" For Append As #1
Print #1, pSj
Close #1
End Sub
1\获取注册表上次登记累加值用:
GetSetting(appname, section, key[, default])
'2\写文件函数
Public Function writeFile(as_filename As String, as_writeStr As String)
On Error GoTo errINFO
Dim fs, f
'获取文件大小
If FileLen(as_filename ) > 2048000 Then'文件大于2M就删掉
'Kill删除指定文件
Kill (as_filename )
end if
'写文件
Set fs = CreateObject("Scripting.FileSystemObject")
Set f = fs.OpenTextFile(as_filename, ForAppending, TristateTrue)
f.WriteLine (as_writeStr)
f.Close
Exit Function
errINFO:
MsgBox Err.Description
End Function'3\写完数据后用 SaveSetting 保存最后一次的记录数
SaveSetting appname, section, key, setting
具体代码你自己写
Dim l As Integer
Dim strSj As String
Dim str1 As String
Dim pSj As String
Private Sub Form_Load()
On Error GoTo useErr
Open "D:\sys.txt" For Input As #1
Do While Not EOF(1)
Line Input #1, str1
strSj = strSj & str1 & Chr(13) & Chr(10)
l = l + 1
Loop
Close
Text1 = strSj
pSj = (l + 1) & "," & Format(Date, "YYYY.M.D") & " " & Time$
Open "D:\sys.txt" For Append As #1
Print #1, pSj
Close #1
Exit Sub
useErr:
pSj = "1" & "," & Format(Date, "YYYY.M.D") & " " & Time$
Open "D:\sys.txt" For Append As #1
Print #1, pSj
Close #1
End Sub
我加了句 If l > 1000 Then
l = 0
Kill "d:\sys.txt"
End If基本上已经可以满足我的需要了,谢谢你