PHP操作mssql的db类

 <?php

 // Author: YangYu [email protected]

 // msn: [email protected]
class cls_mssql{   
    var $link;   
    var $querynum = 0;   
 
    function connect($dbsn, $dbun, $dbpw, $dbname) {
        if($this->link = @mssql_connect($dbsn, $dbun, $dbpw, true)) { 
            //$query = $this->Query('SET TEXTSIZE 2147483647');   
            if (@mssql_select_db($dbname, $this->link)) {   
            } else {   
                $this->halt('Can not Select DataBase');   
            }   
        } else {   
            $this->halt('Can not connect to MSSQL server');   
        }   
    }    
   
    function Query($sql) {   
        if($query = @mssql_query($sql, $this->link)) {   
            $this->querynum++;   
            return $query;   
        } else {   
            $this->querynum++;   
            $this->halt('MSSQL Query Error', $sql);   
        }   
    }

 function getAll($sql){
        if (!($this->dbResult = $this->Query($sql))){
            return false;
        }
        $this->dbRecord = array();
        while ($row = @mssql_fetch_array($this->dbResult, MSSQL_ASSOC)) {
            $this->dbRecord[] = $row;
        }
        @mssql_free_result($this->dbResult);
        if (!is_array($this->dbRecord) || empty($this->dbRecord)){
            return false;
        }
        return $this->dbRecord;
    }

 function getOne($sql){
        if (!($this->dbResult = $this->Query($sql))){
            return false;
        }
        $this->dbRecord = array();
        $row = @mssql_fetch_array($this->dbResult, MSSQL_ASSOC);
  @mssql_free_result($this->dbResult);
        if (!is_array($row) || empty($row)){
            return false;
        }

        $this->dbRecord = current($row);
        return $this->dbRecord;
    }
  
    function getRow($sql){
        if (!($this->dbResult = $this->Query($sql))){
            return false;
        }
        $this->dbRecord = array();
        $this->dbRecord = @mssql_fetch_array($this->dbResult, MSSQL_ASSOC);
        @mssql_free_result($this->dbResult);
        if (!is_array($this->dbRecord) || empty($this->dbRecord)){
            return false;
        }
        return $this->dbRecord;
    } 
   
    function Clear($query) {   
        return mssql_free_result($query);   
    }    
   
    function Close() {   
        return mssql_close($this->link);   
    }   
  
    function halt($message = '', $sql = '') {   
        $message .= '<br />MSSql Error:' . mssql_get_last_message();   
        if ($sql) {   
            $sql = '<br />sql:' . $sql;   
        }   
        exit("DataBase Error.<br />Message:$message $sql");   
    }   
}  
?>

 

 

本文来自CSDN博客，转载请标明出处：http://blog.csdn.net/yangyu112654374/archive/2009/05/26/4217557.aspx