【php开源代码栏目提醒】:网学会员在php开源代码频道为大家收集整理了adodb-csv.inc.php提供大家参考,希望对大家有所帮助!
<?php
/*
V4.21 20 Mar 2004 (c) 2000-2004 John Lim (jlim@natsoft.com.my). All rights reserved.
Released under both BSD license and Lesser GPL library license.
Whenever there is any discrepancy between the two licenses,
the BSD license will take precedence.
Set tabs to 4.
Currently unsupported: MetaDatabases, MetaTables and MetaColumns, and also inputarr in Execute.
Native types have been converted to MetaTypes.
Transactions not supported yet.
*/
if (! defined("_ADODB_CSV_LAYER")) {
define("_ADODB_CSV_LAYER", 1 );
include_once(ADODB_DIR.'/adodb-csvlib.inc.php');
class ADODB_csv extends ADOConnection {
var $databaseType = 'csv';
var $databaseProvider = 'csv';
var $hasInsertID = true;
var $hasAffectedRows = true;
var $fmtTimeStamp = "'Y-m-d H:i:s'";
var $_affectedrows=0;
var $_insertid=0;
var $_url;
var $replaceQuote = "''"; // string to use to replace quotes
var $hasTransactions = false;
var $_errorNo = false;
function ADODB_csv()
{
}
function _insertid()
{
return $this->_insertid;
}
function _affectedrows()
{
return $this->_affectedrows;
}
function &MetaDatabases()
{
return false;
}
// returns true or false
function _connect($argHostname, $argUsername, $argPassword, $argDatabasename)
{
if (strtolower(substr($argHostname,0,7)) !== 'http://') return false;
$this->_url = $argHostname;
return true;
}
// returns true or false
function _pconnect($argHostname, $argUsername, $argPass
word, $argDatabasename)
{
if (strtolower(substr($argHostname,0,7)) !== 'http://') return false;
$this->_url = $argHostname;
return true;
}
function &MetaColumns($table)
{
return false;
}
// parameters use PostgreSQL convention, not MySQL
function &SelectLimit($sql,$nrows=-1,$offset=-1)
{
global $ADODB_FETCH_MODE;
$url = $this->_url.'?sql='.urlencode($sql)."&nrows=$nrows&fetch=".
(($this->fetchMode !== false)?$this->fetchMode : $ADODB_FETCH_MODE).
"&offset=$offset";
$err = false;
$rs = csv2rs($url,$err,false);
if ($this->debug) print "$url<br><i>$err</i><br>";
$at = strpos($err,'::::');
if ($at === false) {
$this->_errorMsg = $err;
$this->_errorNo = (integer)$err;
} else {
$this->_errorMsg = substr($err,$at+4,1024);
$this->_errorNo = -9999;
}
if ($this->_errorNo)
if ($fn = $this->raiseErrorFn) {
$fn($this->databaseType,'EXECUTE',$this->ErrorNo(),$this->ErrorMsg(),$sql,'');
}
if (is_object($rs)) {
$rs->databaseType='csv';
$rs->fetchMode = ($this->fetchMode !== false) ? $this->fetchMode : $ADODB_FETCH_MODE;
$rs->connection = &$this;
}
return $rs;
}
// returns queryID or false
function &_Execute($sql,$inputarr=false)
{
global $ADODB_FETCH_MODE;
if (!$this->_bindInputArray && $inputarr) {
$sqlarr = explode('?',$sql);
$sql = '';
$i = 0;
foreach($inputarr as $v) {
$sql .= $sqlarr[$i];
if (gettype($v) == 'string')
$
sql .= $this->qstr($v);
else if ($v === null)
$sql .= 'NULL';
else
$sql .= $v;
$i += 1;
}
$sql .= $sqlarr[$i];
if ($i+1 != sizeof($sqlarr))
print "Input Array does not match ?: ".htmlspecialchars($sql);
$inputarr = false;
}
$url = $this->_url.'?sql='.urlencode($sql)."&fetch=".
(($this->fetchMode !== false)?$this->fetchMode : $ADODB_FETCH_MODE);
$err = false;
$rs = csv2rs($url,$err,false);
if ($this->debug) print urldecode($url)."<br><i>$err</i><br>";
$at = strpos($err,'::::');
if ($at === false) {
$this->_errorMsg = $err;
$this->_errorNo = (integer)$err;
} else {
$this->_errorMsg = substr($err,$at+4,1024);
$this->_errorNo = -9999;
}
if ($this->_errorNo)
if ($fn = $this->raiseErrorFn) {
$fn($this->databaseType,'EXECUTE',$this->ErrorNo(),$this->ErrorMsg(),$sql,$inputarr);
}
if (is_object($rs)) {
$rs->fetchMode = ($this->fetchMode !== false) ? $this->fetchMode : $ADODB_FETCH_MODE;
$this->_affectedrows = $rs->affectedrows;
$this->_insertid = $rs->insertid;
$rs->databaseType='csv';
$rs->connection = &$this;
}
return $rs;
}
/* Returns: the last error message from previous database operation */
function ErrorMsg()
{
return $this->_errorMsg;
}
/* Returns: the last error number from previous database operation */
function ErrorNo()
{
return $this->_errorNo;
}
// returns true or false
function _close()
{
return true;
}
} // class
class ADORecordset_csv extends ADO