$server="192.168.8.99"
$Database="test"
$user="admin"
$Password="ppp123"
$SqlConnection = New-Object System.Data.SqlClient.SqlConnection
$CnnString ="Server = $server; Database = $Database;User Id = $user; Password = $Password"
$SqlConnection.ConnectionString = $CnnString
$CC = $SqlConnection.CreateCommand();
$cc.CommandText="select * from tables "
$da=New-Object System.Data.SqlClient.SqlDataAdapter($cc)
$ds=New-Object System.Data.DataSet
$da.fill([system.data.dataset]$ds)
#查看获取的数据
$ds.Tables
#轮询列名
foreach($table in $ds.Tables){
    foreach($column in $table.Columns){
        $column.ColumnName
    }
}
#轮询所有数据
foreach($table in $ds.Tables){
    foreach($row in $table.Rows){
        foreach ($column in $table.Columns){
            $row[$column]
        }
    }
}
#以数组的方式获取列名
$ds.Tables[0].columns[0].columnname
#以数组的方式索引数据
$ds.Tables[0].rows[0][1]
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#[void][System.Reflection.Assembly]::LoadWithPartialName("MySql.Data")
#[void][system.reflection.Assembly]::LoadFrom("C:\Program Files\MySQL\MySQL Connector Net 6.2.4\Assemblies\MySql.Data.dll")
[void][system.reflection.Assembly]::LoadFrom("C:\Program Files\MySQL\MySQL Connector Net 5.0.9\Binaries\.NET 2.0\MySql.Data.dll")
$server="192.168.8.99"
$Database="test"
$user="admin"
$Password="ppp123"
$charset="gb2312"
$connectionString = "server=$server;uid=$user;pwd=$Password;database=$Database;charset=$charset"
$connection = New-Object MySql.Data.MySqlClient.MySqlConnection
$connection.ConnectionString = $connectionString
$sql= "SELECT * FROM aaa"
$command = New-Object MySql.Data.MySqlClient.MySqlCommand($sql, $connection)
$dataAdapter = New-Object MySql.Data.MySqlClient.MySqlDataAdapter($command)
$dataSet = New-Object System.Data.DataSet
$recordCount = $dataAdapter.Fill($dataSet)
#[System.Data.DataSet]的操作同mssql
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