以下是我的办法:OK!
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Public 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 Integer, ByVal lpFileName As String) As Integer
Public Declare Function WritePrivateProfileString Lib "kernel32" Alias "WritePrivateProfileStringA" (ByVal lpApplicationName As String, ByVal lpKeyName As String, ByVal lpString As String, ByVal lpFileName As String) As Integer
写:
WritePrivateProfileString("存储", "账号", textbox1, Application.StartupPath "\song.ini")
读:
dim s as string
s = string(255," ")
GetPrivateProfileString("存储", "账号", s, s.Length, Application.StartupPath + "\song.ini")
textbox1 =s
用API吧
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 Int32, ByVal lpFileName As String) As Int32
Private Declare Function WritePrivateProfileString Lib "kernel32" Alias "WritePrivateProfileStringA" (ByVal lpApplicationName As String, ByVal lpKeyName As String, ByVal lpString As String, ByVal lpFileName As String) As Int32
'读
Public Function GetINI(ByVal Section As String, ByVal AppName As String, ByVal lpDefault As String, ByVal FileName As String) As String
Dim Str As String = LSet(Str, 256)
GetPrivateProfileString(Section, AppName, lpDefault, Str, Len(Str), FileName)
Return Microsoft.VisualBasic.Left(Str, InStr(Str, Chr(0)) - 1)
End Function
'写
Public Function WriteINI(ByVal Section As String, ByVal AppName As String, ByVal WriteString As String, ByVal FileName As String) As Long
WriteINI = WritePrivateProfileString(Section, AppName, WriteString, FileName)
End Function
其中，Section是像[ip]那样的（填里面的就可以了），AppName是“=”前面的项名称，lpDefault是如果没有可用的值，就返回lpDefault，FileName是文件名，WriteString是要写入的值
你所希望的：
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
MsgBox(GetINI("ip", "user_id", "", "D:\DataBase.ini"))
'返回sa
End Sub
vb.net有自己的设置，不需要ini，在工程【属性】-【设置】中设置。
——————
ini设置属性。
'声明API函数
Private Declare Function WritePrivateProfileString Lib "kernel32" Alias "WritePrivateProfileStringA" (ByVal lpApplicationName As String, ByVal lpKeyName As String, ByVal lpString As String, ByVal lpFileName As String) As Int32
Public Function WriteINI(ByVal Section As String, ByVal AppName As String, ByVal lpDefault As String, ByVal FileName As String) As Long
Return WritePrivateProfileString(Section, AppName, lpDefault, FileName)
End Function
‘调用writeini函数存储属性。
‘section为节点，也就是ini中带[]符号的节点文本
’APPname为存储的名称，即ini文件中等于符号前面的文本
’ipdefault为存储的属性，即等于符号右边的文本。
‘filename为存储的ini文件地址，如d:\save.ini
————————
ini返回属性。
'声明API函数
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 Int32, ByVal lpFileName As String) As Int32
Private Function GetINI(ByVal Section As String, ByVal AppName As String, ByVal lpDefault As String, ByVal FileName As String) As String
Dim Str As String = ""
Str = LSet(Str, IniCount)
GetPrivateProfileString(Section, AppName, lpDefault, Str, Len(Str), FileName)
Return Microsoft.VisualBasic.Left(Str, InStr(Str, Chr(0)) - 1)
End Function
’调用getini函数
‘说明同上。
两种方法
1、API
[名称] 读写INI文件的四个函数
[数据来源] 自己制作
[来源时间] 2002.01.04
[内容简介] 空
[源代码内容]
'文件名SourceDB.ini文件
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
'以下两个函数,读/写ini文件,固定节点setting,in_key为写入/读取的主键
'仅仅针对是非值
'Y：yes,N：no,E：error
Public Function GetIniTF(ByVal In_Key As String) As Boolean
On Error GoTo GetIniTFErr
GetIniTF = True
Dim GetStr As String
GetStr = VBA.String(128, 0)
GetPrivateProfileString "Setting", In_Key, "", GetStr, 256, App.Path "\SourceDB.ini"
GetStr = VBA.Replace(GetStr, VBA.Chr(0), "")
If GetStr = "1" Then
GetIniTF = True
GetStr = ""
Else
GoTo GetIniTFErr
End If
Exit Function
GetIniTFErr:
Err.Clear
GetIniTF = False
GetStr = ""
End Function
Public Function WriteIniTF(ByVal In_Key As String, ByVal In_Data As Boolean) As Boolean
On Error GoTo WriteIniTFErr
WriteIniTF = True
If In_Data = True Then
WritePrivateProfileString "Setting", In_Key, "1", App.Path "\SourceDB.ini"
Else
WritePrivateProfileString "Setting", In_Key, "0", App.Path "\SourceDB.ini"
End If
Exit Function
WriteIniTFErr:
Err.Clear
WriteIniTF = False
End Function
'以下两个函数,读/写ini文件,不固定节点,in_key为写入/读取的主键
'针对字符串值
'空值表示出错
Public Function GetIniStr(ByVal AppName As String, ByVal In_Key As String) As String
On Error GoTo GetIniStrErr
If VBA.Trim(In_Key) = "" Then
GoTo GetIniStrErr
End If
Dim GetStr As String
GetStr = VBA.String(128, 0)
GetPrivateProfileString AppName, In_Key, "", GetStr, 256, App.Path "\SourceDB.ini"
GetStr = VBA.Replace(GetStr, VBA.Chr(0), "")
If GetStr = "" Then
GoTo GetIniStrErr
Else
GetIniStr = GetStr
GetStr = ""
End If
Exit Function
GetIniStrErr:
Err.Clear
GetIniStr = ""
GetStr = ""
End Function
Public Function WriteIniStr(ByVal AppName As String, ByVal In_Key As String, ByVal In_Data As String) As Boolean
On Error GoTo WriteIniStrErr
WriteIniStr = True
If VBA.Trim(In_Data) = "" Or VBA.Trim(In_Key) = "" Or VBA.Trim(AppName) = "" Then
GoTo WriteIniStrErr
Else
WritePrivateProfileString AppName, In_Key, In_Data, App.Path "\SourceDB.ini"
End If
Exit Function
WriteIniStrErr:
Err.Clear
WriteIniStr = False
End Function
以上代码保存于： SourceCode Explorer(源代码数据库)
复制时间： 2007.12.26 17:29:09
软件版本： 1.0.882
软件作者： Shawls
E-Mail： ShawFile@163.com
QQ： 9181729
2、用open打开文件全部读入，如果有修改覆盖写入文件