Question

所以我试图连接到localhost数据库。我可能没有正确创建用户。我在phpmyadmin＆gt;用户帐户中创建了用户，其中包含以下信息：

用户名：myUsername
主机名：localhost（替换了＆＃34;％＆＃34;默认情况下）
密码：myPassword
身份验证插件：本机MySQL身份验证（唯一选项）

这是我的代码：

Try 
{ 
$Server = "localhost"
$Database = "myDatabase"
$uid ="myUsername"
$pwd = "myPassword"
$SQLConnection = New-ObjectSystem.Data.SQLClient.SQLConnection 
$SQLConnection.ConnectionString ="server=$Server;database=$Database;Integrated Security=True" 
$SQLConnection.Open() 
} 
catch 
{ 
    [System.Windows.Forms.MessageBox]::Show("Failed to connect SQL Server:")  
}

在第8行我也试过

$SQLConnection.ConnectionString ="server=$Server;database=$Database;Integrated Security=False;uid=$uid;pwd=$pwd"

和..

$SQLConnection.ConnectionString ="server=$Server;database=$Database;uid=$uid;pwd=$pwd"

Answer 1

您正在尝试连接到MSSQL Server而不是MySQL。您的连接应该像这样初始化：

$SQLConnection = New-Object MySql.Data.MySqlClient.MySqlConnection

Answer 2

首先，您在第四点提到 MySql ，其中您的连接对象代表MSSQL。

如果您要连接到 MSSQL ，那么您在声明连接字符串时会出现语法错误。下面提到：

而非：

$Server = "localhost"
$Database = "myDatabase"
$uid ="myUsername"
$pwd = "myPassword"
$SQLConnection = New-ObjectSystem.Data.SQLClient.SQLConnection 
$SQLConnection.ConnectionString ="server=$Server;database=$Database;Integrated Security=True" 
$SQLConnection.Open()

这样做：

$Server = "localhost"
$Database = "myDatabase"
$uid ="myUsername"
$pwd = "myPassword"
$SQLConnection = New-Object System.Data.SQLClient.SQLConnection 
$SQLConnection.ConnectionString ="server=$Server;uid=$uid; pwd=$pwd;database=$Database;Integrated Security=False" 
$SQLConnection.Open()

如果您使用 Mysql ，则必须安装连接器，然后使用如下：

[void][System.Reflection.Assembly]::LoadWithPartialName("MySql.Data")
$connectionString = "server=$server;uid=$uid;pwd=$pwd;database=$database;"
$connection = New-Object MySql.Data.MySqlClient.MySqlConnection
$connection.ConnectionString = $connectionString
$connection.Open()
$sql = "show tables"
$command = New-Object MySql.Data.MySqlClient.MySqlCommand($sql, $connection)
$dataAdapter = New-Object MySql.Data.MySqlClient.MySqlDataAdapter($command)
$table = New-Object System.Data.DataTable
$recordCount = $dataAdapter.Fill($table)
echo $table

无法连接到localhost数据库

2 个答案: