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mysql vb_vb连接mysql

發布時間:2025/3/12 50 豆豆
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環境:xp+vb6+mysql-5.6.13-win32+mysql-connector-odbc-5.2.5-win32

一、首先要下載mysql,其次要下載mysql的odbc驅動。

odbc驅動的安裝很簡單,雙擊就可執行。

mysql不用安裝,解壓就行。但它的服務的啟動比較麻煩,需要用到cmd,下面是我電腦上的啟動過程:

1、

Microsoft Windows XP [版本 5.1.2600]

(C) 版權所有 1985-2001 Microsoft Corp.

C:\Documents and Settings\Administrator>cd c:\

C:\>cd mysql-5.6.13-win32

C:\mysql-5.6.13-win32>cd bin

C:\mysql-5.6.13-win32\bin>mysqld

2014-03-25 09:18:18 0 [Warning] TIMESTAMP with implicit DEFAULT value is depreca

ted. Please use --explicit_defaults_for_timestamp server option (see documentati

on for more details).

啟動之后,cmd窗口就卡在那里,如果需要關閉服務,就要新開一個cmd窗口,然后像上面一樣,cd進mysql目錄,執行:

C:\mysql-5.6.13-win32\bin>mysqladmin -u root -p shutdown

Enter password:

C:\mysql-5.6.13-win32\bin>

2、上面這種方法是臨時用的,一般來說還是注冊成服務,執行:

C:\mysql-5.6.13-win32\bin>mysqld --install mysqlabc

Service successfully installed.

C:\mysql-5.6.13-win32\bin>net start mysqlabc

mysqlabc 服務正在啟動 ..

mysqlabc 服務已經啟動成功。

C:\mysql-5.6.13-win32\bin>

另外,停止服務是net stop mysqlabc,卸載服務是mysqld --remove mysqlabc。mysqlabc是服務名,你可以起其他的名字。

在cmd窗口里面調試sql語句,執行:

C:\mysql-5.6.13-win32\bin>mysql -u root -p

Enter password:

Welcome to the MySQL monitor. Commands end with ; or \g.

Your MySQL connection id is 4

Server version: 5.6.13 MySQL Community Server (GPL)

Copyright (c) 2000,2013,Oracle and/or its affiliates. All rights reserved.

Oracle is a registered trademark of Oracle Corporation and/or its

affiliates. Other names may be trademarks of their respective

owners.

Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.

mysql> create database abc character set gb2312;

Query OK,1 row affected (0.03 sec)

mysql> \q

Bye

C:\mysql-5.6.13-win32\bin>

二、當安裝了驅動,啟動了服務之后,就可以開始代碼工作:

引用Microsoft ActiveX Data Objects 2.0 Library

引用Microsoft ADO Data Control 6.0 (OLEDB)控件。

添加兩個文本框,兩個命令按鈕,一個Adodc控件。

Option Explicit

Dim m_conPhone As ADODB.Connection

Private Sub Adodc1_MoveComplete(ByVal adReason As ADODB.EventReasonEnum,ByVal pError As ADODB.Error,adStatus As ADODB.EventStatusEnum,ByVal pRecordset As ADODB.Recordset)

If (Not Adodc1.Recordset.BOF) And (Not Adodc1.Recordset.EOF) Then Adodc1.Caption = Adodc1.Recordset.Bookmark

End Sub

Private Sub Command1_Click()

Adodc1.Recordset.AddNew

End Sub

Private Sub Command2_Click()

Adodc1.Recordset.Delete

Adodc1.Refresh

End Sub

Private Sub Form_Initialize()

If SqlConnect(m_conPhone) Then

m_conPhone.Execute "create database if not exists abc character set gb2312",adExecuteNoRecords

m_conPhone.Execute "use abc",adExecuteNoRecords

m_conPhone.Execute "CREATE TABLE IF NOT EXISTS " & "test" & "( name varchar(20) primary key," _

& "time datetime)",adExecuteNoRecords

m_conPhone.Execute "insert ignore into test values ('名字','2014-3-1')",adExecuteNoRecords

m_conPhone.Close

Set m_conPhone = Nothing

Else

Set m_conPhone = Nothing

Set Form1 = Nothing

End If

End Sub

Private Function SqlConnect(Connect As ADODB.Connection) As Boolean

On Error GoTo errconnect

Set Connect = New ADODB.Connection

Connect.ConnectionString = "DRIVER={MySQL ODBC 5.2 Ansi Driver};" _

& "SERVER=localhost;" _

& "UID=root;PWD=; OPTION=3;"

Connect.Open

SqlConnect = True

Exit Function

errconnect:

Dim strErr As String

If Err.Number = -2147467259 Then

strErr = "可能MySQL服務沒有開啟。"

End If

Debug.Print Err.Number & "," & strErr & Err.Description

SqlConnect = False

End Function

Private Sub Form_Load() Me.Show Adodc1.ConnectionString = "Provider=MSDASQL.1;Persist Security Info=False;User ID=root;Extended Properties=" & _ Chr(34) & "DRIVER={MySQL ODBC 5.2 Ansi Driver};SERVER=localhost; OPTION=3;DATABASE=abc" & Chr(34) Adodc1.CommandType = adCmdText Adodc1.RecordSource = "select * from test" Set Text1.DataSource = Adodc1 Text1.DataField = "name" Set Text2.DataSource = Adodc1 Text2.DataField = "time" Command1.Caption = "增加" Command2.Caption = "刪除" End Sub

總結

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