当然机器装有mysql数据库

然后下载安装Mysql，odbc驱动

须要加入ado'菜单"project"->"引用" 找 Microsoft ActiveX Data Object.... 或者简单点找到ado控件 扔到窗体上 再删除 也行

 

在vb中连接数据库的代码：

Dim cn As New ADODB.ConnectionDim rs As New ADODB.Recordset' 定义数据库连接字符串变量Dim strCn As String' 定义数据库连接參数变量Dim db_host As StringDim db_user As StringDim db_pass As StringDim db_data As String' 定义 SQL 语句变量Dim sql As String' 初始化数据库连接变量db_host = "localhost"db_user = "root" ‘usernamedb_pass = "root" ’用户passworddb_data = "radio" '数据库名' MySQL ODBC 连接參数'+------------+---------------------+----------------------------------+'| 參数名     | 默认值               | 说明                             |'+------------+------------------------------------------------------–+'| user       | ODBC (on Windows)   | MySQL username                     |'| server     | localhost           | MySQL 服务器地址                 |'| database   |                     | 默认连接数据库                   |'| option     | 0                   | 參数用以指定连接的工作方式       |'| port       | 3306                 | 连接端口                         |'| stmt       |                     | 一段声明, 能够在连接数据库后执行 |'| password   |                     | MySQL 用户密码                   |'| socket     |                     | (略)                             |'+------------+---------------------+----------------------------------+' 具体查看官方说明' http://dev.mysql.com/doc/refman/5.0/en/myodbc-configuration-connection-parameters.htmlstrCn = "DRIVER={MySQL ODBC 3.51 Driver};" & _         "SERVER=" & db_host & ";" & _         "DATABASE=" & db_data & ";" & _         "UID=" & db_user & ";PWD=" & db_pass & ";" & _         "OPTION=3;stmt=SET NAMES GB2312"' stmt=SET NAMES GB2312' 这句是设置数据库编码方式' 中文操作系统须要设置成 GB2312' 这样中文才不会有问题' 版本号要求 mysql 4.1+' 连接数据库cn.Open strCn' 设置该属性, 使 recordcount 和 absolutepage 属性可用cn.CursorLocation = adUseClient' 訪问表 table1sql = "select nicheng,xinqing from nichengandxinqing where uid='1'"rs.Open sql, cnDim nicheng As StringDim xinqing As String'载入用户昵称nicheng = rs.Fields(0)Label1.Caption = nicheng'载入用户心情短语xinqing = rs.Fields(1)Label2.Caption = xinqing'鼠标放在心情短语提示短语具体信息Label2.ToolTipText = xinqing'载入网络图片Image1.Picture = LoadPicture("http://hi.csdn.net/attachment/201201/5/8747069_1325751084ZiD4.jpg")