连接数据库问题

[czhhua28]

<?php
class db_sqlserver{
var $servername;
var $databasename = '';
var $username;
var $password;
var $conn = '';

function db_sqlserver($servername, $username, $password){
$this->servername = $servername;
$this->username = $username;
$this->password = $password;
}

function connection_sqlserver(){
$this->conn = mssql_connect($this->servername, $this->username, $this->password);
return $this->conn;
}

function select_database($databasename){
mssql_select_db($databasename, $this->conn);
}

function query($query_sql){
$this->result = mssql_query($query_sql, $this->conn);
return $this->result;
}

function get_result_array($query_sql){
$this->record = mssql_fetch_array($this->query($query_sql));
return $this->record;
}

function get_row_array($query_sql){
$this->record = mssql_fetch_row($this->query($query_sql));
return $this->record;
}
}
?>

Fatal error: Call to undefined function: mssql_connect() in C:\Apache2\htdocs\db.php on line 16
这是为什么？

[lawyu]

没有这个函数啊：mssql_connect()

[lawyu]

sorry,刚才看错了
看起来没什么问题啊，你是怎么用这个类的？生成实例了吗？这个类没有语法错误，

[czhhua28]

我是这样生成实例的
<?php
$a = new db_sqlserver('localhost', '', '');
$a->connection_sqlserver();
$a->select_database('demo');
$field = $a->get_row_array('select * from demo');
echo $field['id'];

?>

[xuzuning]

Fatal error: Call to undefined function: mssql_connect()
是说函数mssql_connect没有定义，也就是说你没有加载mssql扩展或加载失败！

[czhhua28]

怎么解决这个问题，请各位高手指点！！

[czhhua28]

搞定了，多谢各位了！！