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cFile.cls
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337 lines (257 loc) · 9.45 KB
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VERSION 1.0 CLASS
BEGIN
MultiUse = -1 'True
Persistable = 0 'NotPersistable
DataBindingBehavior = 0 'vbNone
DataSourceBehavior = 0 'vbNone
MTSTransactionMode = 0 'NotAnMTSObject
END
Attribute VB_Name = "CFile"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = True
Attribute VB_PredeclaredId = False
Attribute VB_Exposed = False
Option Explicit
'//////////////////////////////////////////////////////////////////////////////
'@@summary
'@@require
'@@reference
'@@license
'@@author
'@@create
'@@modify
'//////////////////////////////////////////////////////////////////////////////
'//////////////////////////////////////////////////////////////////////////////
'//
'// 公有声明
'//
'//////////////////////////////////////////////////////////////////////////////
'------------------------------------------------------------------------------
' 接口继承
'------------------------------------------------------------------------------
'------------------------------------------------------------------------------
' 公有常量
'------------------------------------------------------------------------------
'------------------------------------------------------------------------------
' 公有数据类型
'------------------------------------------------------------------------------
'------------------------------------------------------------------------------
' 公有变量
'------------------------------------------------------------------------------
'------------------------------------------------------------------------------
' 公有API
'------------------------------------------------------------------------------
'------------------------------------------------------------------------------
' 事件声明
'------------------------------------------------------------------------------
'//////////////////////////////////////////////////////////////////////////////
'//
'// 私有声明
'//
'//////////////////////////////////////////////////////////////////////////////
'------------------------------------------------------------------------------
' 私有常量
'------------------------------------------------------------------------------
'------------------------------------------------------------------------------
' 私有数据类型
'------------------------------------------------------------------------------
'------------------------------------------------------------------------------
' 私有变量
'------------------------------------------------------------------------------
'------------------------------------------------------------------------------
' 属性变量
'------------------------------------------------------------------------------
'------------------------------------------------------------------------------
' 私有API
'------------------------------------------------------------------------------
Private Declare Function PathFileExists _
Lib "shlwapi.dll" _
Alias "PathFileExistsA" (ByVal pszPath As String) As Boolean
Private Declare Function ShellExecute _
Lib "shell32.dll" _
Alias "ShellExecuteA" (ByVal hwnd As Long, _
ByVal lpOperation As String, _
ByVal lpFile As String, _
ByVal lpParameters As String, _
ByVal lpDirectory As String, _
ByVal nShowCmd As Long) As Long
Private Declare Function DeleteFile _
Lib "kernel32" _
Alias "DeleteFileA" (ByVal lpFileName As String) As Long
'//////////////////////////////////////////////////////////////////////////////
'//
'// 类
'//
'//////////////////////////////////////////////////////////////////////////////
'------------------------------------------------------------------------------
' 初始化
'------------------------------------------------------------------------------
Private Sub Class_Initialize()
End Sub
'------------------------------------------------------------------------------
' 销毁
'------------------------------------------------------------------------------
Private Sub Class_Terminate()
End Sub
'//////////////////////////////////////////////////////////////////////////////
'//
'// 事件处理
'//
'//////////////////////////////////////////////////////////////////////////////
'//////////////////////////////////////////////////////////////////////////////
'//
'// 私有属性
'//
'//////////////////////////////////////////////////////////////////////////////
'//////////////////////////////////////////////////////////////////////////////
'//
'// 私有方法
'//
'//////////////////////////////////////////////////////////////////////////////
'//////////////////////////////////////////////////////////////////////////////
'//
'// 继承实现
'//
'//////////////////////////////////////////////////////////////////////////////
'//////////////////////////////////////////////////////////////////////////////
'//
'// 公有属性
'//
'//////////////////////////////////////////////////////////////////////////////
'//////////////////////////////////////////////////////////////////////////////
'//
'// 公有方法
'//
'//////////////////////////////////////////////////////////////////////////////
Public Function WriteToTextFile(ByVal FilePath As String, _
ByVal Content As String) As Boolean
On Error Resume Next
Dim fileId As Long
fileId = FreeFile
If PathFileExists(FilePath) Then
Open FilePath For Append As fileId
Else
Open FilePath For Output As fileId
End If
Print #fileId, Content;
Close fileId
If Err.Number > 0 Then
WriteToTextFile = False
Err.Clear
Else
WriteToTextFile = True
End If
End Function
Public Function OverWriteToTextFile(ByVal FilePath As String, _
ByVal Content As String) As Boolean
On Error Resume Next
Dim fileId As Long
fileId = FreeFile
Open FilePath For Output As fileId
Print #fileId, Content;
Close fileId
If Err.Number > 0 Then
OverWriteToTextFile = False
Err.Clear
Else
OverWriteToTextFile = True
End If
End Function
Public Function WriteLineToTextFile(ByVal FilePath As String, _
ByVal Content As String) As Boolean
WriteLineToTextFile = WriteToTextFile(FilePath, vbCrLf & Content)
End Function
Public Function ReadTextFile(ByVal FilePath As String) As String
Dim fileId As Long
Dim fBin() As Byte
Dim fSize As Long
fileId = FreeFile
If FileExists(FilePath) = False Then
Err.Raise 100, , "文件不存在!"
End If
fSize = FileLen(FilePath)
ReDim fBin(fSize - 1)
Open FilePath For Binary Access Read As fileId
Get #fileId, , fBin
Close fileId
If Err.Number > 0 Then
MsgBox Err.Description
ReadTextFile = ""
Else
ReadTextFile = StrConv(fBin, vbUnicode)
End If
End Function
Public Function FileExists(ByVal FilePath As String) As Boolean
FileExists = PathFileExists(FilePath)
End Function
Public Sub Delete(ByVal FilePath As String)
If FileExists(FilePath) Then
If DeleteFile(FilePath) = 0 Then
Err.Raise 11, , "文件删除错误!"
End If
Else
Err.Raise 12, , "文件路径不存在!"
End If
End Sub
Public Sub Touch(ByVal FilePath As String)
Dim fileNo As Integer
fileNo = FreeFile
Open FilePath For Random As fileNo
Close fileNo
End Sub
Public Sub CreateFolder(ByVal FilePath As String)
Dim arr() As String, i As Long, curPath As String
FilePath = Replace(FilePath, "\\", "\")
If Dir(FilePath, vbDirectory) = "" Then
FilePath = Mid(FilePath, 1, InStrRev(FilePath, "\"))
End If
arr = Split(FilePath, "\")
For i = 0 To UBound(arr)
If curPath = "" Then
curPath = curPath & arr(i)
Else
curPath = curPath & "\" & arr(i)
End If
If Dir(curPath, vbDirectory) = "" Then
MkDir curPath
End If
Next i
End Sub
Public Sub SaveAsUtf8Bom(ByVal Text As String, ByVal FileName As String)
Const adTypeText = 2
Const adSaveCreateOverWrite = 2
Dim oStream As Variant
Set oStream = CreateObject("ADODB.Stream")
oStream.Open
oStream.charset = "UTF-8"
oStream.Type = adTypeText
oStream.WriteText Text
oStream.SaveToFile FileName, adSaveCreateOverWrite
oStream.Close
Set oStream = Nothing
End Sub
Public Sub SaveAsUTF8(ByVal Text As String, ByVal FileName As String)
Const adSaveCreateNotExist = 1
Const adSaveCreateOverWrite = 2
Const adTypeBinary = 1
Const adTypeText = 2
Dim objStreamUTF8: Set objStreamUTF8 = CreateObject("ADODB.Stream")
Dim objStreamUTF8NoBOM: Set objStreamUTF8NoBOM = CreateObject("ADODB.Stream")
With objStreamUTF8
.charset = "UTF-8"
.Open
.WriteText Text
.position = 0
.SaveToFile FileName, adSaveCreateOverWrite
.Type = adTypeBinary
.position = 3
End With
With objStreamUTF8NoBOM
.Type = adTypeBinary
.Open
objStreamUTF8.CopyTo objStreamUTF8NoBOM
.SaveToFile FileName, adSaveCreateOverWrite
End With
objStreamUTF8.Close
objStreamUTF8NoBOM.Close
End Sub