vb ini详细操作

一、实现方法如下：1、新建一个工程/窗体(窗体取名为ini.frm)，在此窗体中添加三个命令按钮控件，分别为command1、command2、command3

command1.Caption= "write"

command2.Caption= "read"

command3.Caption= "End"2、代码部分：

Private Declare Function GetPrivateProfileString Lib "kernel32" Alias "GetPrivateProfileStringA" (ByVal lpApplicationName As String, ByVal lpKeyName As Any, ByVal lpDefault As String, ByVal lpReturnedString As String, ByVal nSize As Long, ByVal lpFileName As String) As Long

Private Declare Function WritePrivateProfileString Lib "kernel32" Alias "WritePrivateProfileStringA" (ByVal lpApplicationName As String, ByVal lpKeyName As Any, ByVal lpString As Any, ByVal lpFileName As String) As Long

Private Declare Function GetPrivateProfileInt Lib "kernel32" Alias "GetPrivateProfileIntA" ( _

ByVal lpApplicationName As String, _

ByVal lpKeyName As String, _

ByVal nDefault As Long, _

ByVal lpFileName As String) As Long

Private Sub Command1_Click()

Dim A As Long

'写信息

'修改ABC.INI文件中各字段中关键字的值

'如果该文件不存在会自动建立,当函数返回值为0时说明修改不成功

A = WritePrivateProfileString("系统时间", "本次操作日期", Str$(Date), App.Path &"\ABC.INI")

A = WritePrivateProfileString("系统时间", "本次操作时间", Str$(Time), App.Path &"\ABC.INI")

A = WritePrivateProfileString("窗体位置及大小", "顶部", Str$(Form1.Top), App.Path &"\ABC.INI")

A = WritePrivateProfileString("窗体位置及大小", "高度", Str$(Form1.Height), App.Path &"\ABC.INI")

A = WritePrivateProfileString("窗体位置及大小", "宽度", Str$(Form1.Width), App.Path &"\ABC.INI")

A = WritePrivateProfileString("窗体位置及大小", "左部", Str$(Form1.Left), App.Path &"\ABC.INI")

If A = 0 Then MsgBox ("写文件时出错")

End Sub

Private Sub Command2_Click()

Dim A As Long

Dim T As String

Dim x As Integer

'读取信息

Form1.Cls 'Form1清屏

T = Space$(1000) '事先定义读取值的字串宽度

'读取ABC.INI文件中TIP字段中START的值并打印出来

'当函数返回值为0时说明读取数据出错

A = GetPrivateProfileString("系统时间", "本次操作时间", "", T, 1000, App.Path &"\ABC.INI")

Print Left$(T, Len(Trim$(T)) - 1)

If A = 0 Then MsgBox "找不到所需字段": Exit Sub

x = GetPrivateProfileInt("窗体位置及大小", "高度", x, App.Path &"\ABC.INI")

Print "高度=" &x

x = GetPrivateProfileInt("窗体位置及大小", "宽度", x, App.Path &"\ABC.INI")

Print "宽度=" &x

x = GetPrivateProfileInt("窗体位置及大小", "左部", x, App.Path &"\ABC.INI")

Print "左部=" &x

x = GetPrivateProfileInt("窗体位置及大小", "顶部", x, App.Path &"\ABC.INI")

Print "顶部=" &x

If A = 0 Then MsgBox "找不到所需字段": Exit Sub

A = GetPrivateProfileString("系统时间", "本次操作日期", "", T, 1000, App.Path &"\ABC.INI")

Print Left$(T, Len(Trim$(T)) - 1)

End SubPrivate Sub Command3_Click()

Call Command1_Click

End

End SubPrivate Sub Form_Load()

Dim A As Long

Dim T As String

Dim x As Integer

'读取信息

x = 0

T = Space$(1000) '事先定义读取值的字串宽度

'读取ABC.INI文件中TIP字段中START的值并打印出来

'当函数返回值为0时说明读取数据出错

x = GetPrivateProfileInt("窗体位置及大小", "高度", x, App.Path &"\ABC.INI")

Form1.Height = x

x = GetPrivateProfileInt("窗体位置及大小", "宽度", x, App.Path &"\ABC.INI")

Form1.Width = x

x = GetPrivateProfileInt("窗体位置及大小", "左部", x, App.Path &"\ABC.INI")

Form1.Left = x

x = GetPrivateProfileInt("窗体位置及大小", "顶部", x, App.Path &"\ABC.INI")

Form1.Top = x

End Sub

Private Sub Form_QueryUnload(Cancel As Integer, UnloadMode As Integer)

Select Case UnloadMode

Case 0:

Call Command1_Click

Case 1:

Call Command1_Click

Case 2:

Call Command1_Click

End Select

End Sub

二、说明：

注意是指定数据否与函数参数类型相一致

BugTrace ：Bug Trace，bug不用解释了吧，trace 痕迹，意思是bug痕迹，就是bug出现时记录的

DumpType：dump 转储，倾倒 ， Type 类型，这个不好理解，大约是错误类型吧

用这个例子来写好了，比方说这个ini文件保存在C:\1.ini，然后内容为

[BugTrace]

DumpType = 1

那么代码就是这样写

'首先是API的声明：

'读取用的API

Private Declare Function GetPrivateProfileString Lib "kernel32" Alias "GetPrivateProfileStringA" (ByVal lpApplicationName As String, ByVal lpKeyName As String, ByVal lpDefault As String, ByVal lpReturnedString As String, ByVal nSize As Long, ByVal lpFileName As String) As Long

'写入用的API

Private Declare Function WritePrivateProfileString Lib "kernel32" Alias "WritePrivateProfileStringA" (ByVal lpApplicationName As String, ByVal lpKeyName As Any, ByVal lpString As Any, ByVal lpFileName As String) As Long

'写入

Private Sub Command1_Click()

Dim F As String

F = "C:\1.ini"

dl = WritePrivateProfileString("BugTrace", "DumpType", 写入的变量, F)

End Sub

'读取

Private Sub Command2_Click()

Dim F As String

F = "C:\1.ini"

GetPrivateProfileString "BugTrace", "DumpType", vbNullString, 读取的变量, 255, F

MsgBox 读取的变量 '这句可以省略，用于显示读取到的数字，如前面的例子就是1

End Sub

上面的 写入的变量 和 读取的变量 请自行修改。

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