求大神指點(diǎn) vb.net 怎么讀 ini 配置呢

VB.NET讀寫INI配置文件

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Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load

Dim path As String

path = Application.StartupPath + "\Send.ini"

TextBox1.Text = GetINI("Send", "Send1", "", path)

TextBox2.Text = GetINI("Send", "Send2", "", path)

Dim IsSms As Integer = GetINI("Send", "IsSms", "", path)

If (IsSms = 1) Then

Me.RadioButton1.Checked = True

ElseIf (IsSms = 0) Then

Me.RadioButton2.Checked = True

End If

End Sub

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

Public Function WriteINI(ByVal Section As String, ByVal AppName As String, ByVal lpDefault As String, ByVal FileName As String) As Long

WriteINI = WritePrivateProfileString(Section, AppName, lpDefault, FileName)

End Function

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

Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click

Try

Dim path As String

path = Application.StartupPath + "\Send.ini"

WriteINI("Send", "Send1", TextBox1.Text, path)

WriteINI("Send", "Send2", TextBox2.Text, path)

If (Me.RadioButton1.Checked = True) Then

WriteINI("Send", "IsSms", 1, path)

ElseIf (Me.RadioButton2.Checked = True) Then

WriteINI("Send", "IsSms", 0, path)

End If

MsgBox("配置設(shè)置已經(jīng)成功！！?。?)

Catch ex As Exception

MsgBox("錯(cuò)誤?。。?！")

End Try

End Sub

VB.net2005中到底怎么讀取ini文件

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

'讀

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

'寫

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]那樣的（填里面的就可以了），AppName是“=”前面的項(xiàng)名稱，lpDefault是如果沒有可用的值，就返回lpDefault，F(xiàn)ileName是文件名，WriteString是要寫入的值

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怎么刪除INI文件里的一個(gè)字段或鍵值？

1，對(duì)于INI文件，可以當(dāng)做像TXT文件一樣來進(jìn)行讀取和寫入。

2，先把整個(gè)文件度出來，然后找到相應(yīng)行刪除（拋棄）以后，再重新寫入文件。

Public?Class?Form1

Private?Sub?Button1_Click(ByVal?sender?As?System.Object,?ByVal?e?As?System.EventArgs)?Handles?Button1.Click

Dim?MyStr?As?String?=?""

Dim?AllStr?As?String?=?""

'獲取一個(gè)可用的文件號(hào)

Dim?MyFileNum?As?Integer?=?FreeFile()

'打開指定的文件，進(jìn)行讀取操作

FileOpen(MyFileNum,?"C:\My.ini",?OpenMode.Input)

Do?While?Not?EOF(MyFileNum)

'讀取一行

MyStr?=?LineInput(MyFileNum)

If?MyStr??"b=2"?Then

If?AllStr?=?""?Then

AllStr?=?AllStr??MyStr

Else

AllStr?=?AllStr??vbCrLf??MyStr

End?If

End?If

Loop

FileClose(MyFileNum)???'關(guān)閉文件

'寫文件

Dim?MyStream?As?New?System.IO.FileStream("C:\My.ini",?IO.FileMode.Create)

Dim?MyWriter?As?New?System.IO.StreamWriter(MyStream,?System.Text.Encoding.UTF8)

MyWriter.WriteLine(AllStr)

MyWriter.Flush()

MyWriter.Close()

MyStream.Close()

End?Sub

End?Class

vb.net ini操作

名字有規(guī)律，就可以for循環(huán)。

名字沒有規(guī)律，可以想辦法讓他有規(guī)律，一種方法是設(shè)置包含所有節(jié)名稱的string數(shù)組，再循環(huán)。