php连接MSsql server的五种方法总结

<?php
 $server ="localhost"; //服务器IP地址,如果是本地，可以写成localhost
 $uid ="sa"; //用户名
 $pwd ="123456"; //密码
 $database ="jb51"; //数据库名称
 
////进行数据库连接
 $conn =mssql_connect($server,$uid,$pwd) or die ("connect failed");
 mssql_select_db($database,$conn);
 
////执行查询语句
 $query ="select  from A_PHP";
 $row =mssql_query($query);
 
////打印输出查询结果
 while($list=mssql_fetch_array($row))
 {
    print_r($list);
    echo "<br>";
 }
?>

<?php

 $serverName = "localhost";
 $connectionInfo = array( "Database"=>"jb51", "UID"=>"sa", "PWD"=>"123456");
 $conn = sqlsrv_connect( $serverName, $connectionInfo );
 if( $conn === false ) {
   die( print_r( sqlsrv_errors(), true));
 }

 $sql = "SELECT  FROM dbo.A_PHP";
 $stmt = sqlsrv_query( $conn, $sql );
 if( $stmt === false) {
   die( print_r( sqlsrv_errors(), true) );
 }


 while($row = sqlsrv_fetch_array($stmt))
 {echo $row[0]."-----".$row[1]."<br/>";}
?>

<?php
$con = odbc_connect('DRIVER={SQL Server};SERVER=localhost;DATABASE=jb51,'sa','123456');
$query = "SELECT  FROM dbo.A_PHP";
$result = odbc_do($con,$query);
while(odbc_fetch_row($result))
{
  $list = odbc_result($result, "id");	print_r($list);echo '<br/>';
}
?>

<?php
 $conn = new PDO("sqlsrv:server=localhost;database=jb51","sa","123456");
 $sql = "select count() count from CKXS2";
 $res = $conn->query($sql);
 while ($row = $res->fetch()){
 print_r($row);
 }

?>

<?php
 $conn = new Com("ADODB.Connection"); //实例化一个Connection对象 
 $connstr = "provider=sqloledb;datasource=.;uid=sa;pwd=123456;database=jb51;"; 
 $conn->Open($connstr); 
 $rs = new Com("ADODB.Recordset"); //实例化一个Recordcount对象 

 $rs->Open('select  from CKXS2 ', $conn, 1, 1); 
 $count = $rs->RecordCount; 
 echo "共有{$count}条纪录<br />"; 
?>