$gotojs";
/*--------------------
备份数据
function __bak_data();
--------------------*/
if($dopost=='bak')
{
if(empty($tablearr))
{
ShowMsg('你没选中任何表！', 'javascript:;');
exit();
}
if(!is_dir($bkdir))
{
MkdirAll($bkdir, $cfg_dir_purview);
CloseFtp();
}
//初始化使用到的变量
$tables = explode(',', $tablearr);
if(!isset($isstruct))
{
$isstruct = 0;
}
if(!isset($startpos))
{
$startpos = 0;
}
if(!isset($iszip))
{
$iszip = 0;
}
if(empty($nowtable))
{
$nowtable = '';
}
if(empty($fsize))
{
$fsize = 2048;
}
$fsizeb = $fsize * 1024;
//第一页的操作
if($nowtable=='')
{
$tmsg = '';
$dh = dir($bkdir);
while($filename = $dh->read())
{
if(!preg_match("#txt$#", $filename))
{
continue;
}
$filename = $bkdir."/$filename";
if(!is_dir($filename))
{
unlink($filename);
}
}
$dh->close();
$tmsg .= "清除备份目录旧数据完成...
";
if($isstruct==1)
{
$bkfile = $bkdir."/tables_struct_".substr(md5(time().mt_rand(1000,5000).$cfg_cookie_encode),0,16).".txt";
$mysql_version = $dsql->GetVersion();
$fp = fopen($bkfile, "w");
foreach($tables as $t)
{
fwrite($fp, "DROP TABLE IF EXISTS `$t`;\r\n\r\n");
$dsql->SetQuery("SHOW CREATE TABLE ".$dsql->dbName.".".$t);
$dsql->Execute('me');
$row = $dsql->GetArray('me', MYSQL_BOTH);
//去除AUTO_INCREMENT
$row[1] = preg_replace("#AUTO_INCREMENT=([0-9]{1,})[ \r\n\t]{1,}#i", "", $row[1]);
//4.1以下版本备份为低版本
if($datatype==4.0 && $mysql_version > 4.0)
{
$eng1 = "#ENGINE=MyISAM[ \r\n\t]{1,}DEFAULT[ \r\n\t]{1,}CHARSET=".$cfg_db_language."#i";
$tableStruct = preg_replace($eng1, "TYPE=MyISAM", $row[1]);
}
//4.1以下版本备份为高版本
else if($datatype==4.1 && $mysql_version < 4.1)
{
$eng1 = "#ENGINE=MyISAM DEFAULT CHARSET={$cfg_db_language}#i";
$tableStruct = preg_replace("TYPE=MyISAM", $eng1, $row[1]);
}
//普通备份
else
{
$tableStruct = $row[1];
}
fwrite($fp,''.$tableStruct.";\r\n\r\n");
}
fclose($fp);
$tmsg .= "备份数据表结构信息完成...
";
}
$tmsg .= "正在进行数据备份的初始化工作，请稍后...";
$doneForm = "\r\n{$dojs}\r\n";
PutInfo($tmsg, $doneForm);
exit();
}
//执行分页备份
else
{
$j = 0;
$fs = array();
$bakStr = '';
//分析表里的字段信息
$dsql->GetTableFields($nowtable);
$intable = "INSERT INTO `$nowtable` VALUES(";
while($r = $dsql->GetFieldObject())
{
$fs[$j] = trim($r->name);
$j++;
}
$fsd = $j-1;
//读取表的内容
$dsql->SetQuery("SELECT * FROM `$nowtable` ");
$dsql->Execute();
$m = 0;
$bakfilename = "$bkdir/{$nowtable}_{$startpos}_".substr(md5(time().mt_rand(1000,5000).$cfg_cookie_encode),0,16).".txt";
while($row2 = $dsql->GetArray())
{
if($m < $startpos)
{
$m++;
continue;
}
//检测数据是否达到规定大小
if(strlen($bakStr) > $fsizeb)
{
$fp = fopen($bakfilename,"w");
fwrite($fp,$bakStr);
fclose($fp);
$tmsg = "完成到{$m}条记录的备份，继续备份{$nowtable}...";
$doneForm = "\r\n{$dojs}\r\n";
PutInfo($tmsg,$doneForm);
exit();
}
//正常情况
$line = $intable;
for($j=0; $j<=$fsd; $j++)
{
if($j < $fsd)
{
$line .= "'".RpLine(addslashes($row2[$fs[$j]]))."',";
}
else
{
$line .= "'".RpLine(addslashes($row2[$fs[$j]]))."');\r\n";
}
}
$m++;
$bakStr .= $line;
}
//如果数据比卷设置值小
if($bakStr!='')
{
$fp = fopen($bakfilename,"w");
fwrite($fp,$bakStr);
fclose($fp);
}
for($i=0; $iExecuteNoneQuery(trim($q).';');
}
if($delfile==1)
{
@unlink("$bkdir/$structfile");
}
$tmsg = "完成数据表信息还原，准备还原数据...";
$doneForm = "\r\n{$dojs}\r\n";
PutInfo($tmsg, $doneForm);
exit();
}
else
{
$nowfile = $bakfiles[0];
$bakfilesTmp = preg_replace("#".$nowfile."[,]{0,1}#", "", $bakfilesTmp);
$oknum=0;
if( filesize("$bkdir/$nowfile") > 0 )
{
$fp = fopen("$bkdir/$nowfile", 'r');
while(!feof($fp))
{
$line = trim(fgets($fp, 512*1024));
if($line=="") continue;
$rs = $dsql->ExecuteNoneQuery($line);
if($rs) $oknum++;
}
fclose($fp);
}
if($delfile==1)
{
@unlink("$bkdir/$nowfile");
}
if($bakfilesTmp=="")
{
ShowMsg('成功还原所有的文件的数据!', 'javascript:;');
exit();
}
$tmsg = "成功还原{$nowfile}的{$oknum}条记录
正在准备还原其它数据...";
$doneForm = "\r\n{$dojs}\r\n";
PutInfo($tmsg, $doneForm);
exit();
}
}
function PutInfo($msg1,$msg2)
{
global $cfg_dir_purview,$cfg_soft_lang;
$msginfo = "\n
DEDECMS 提示信息
\n\n\n
DEDECMS 提示信息！
{$msg1}
\r\n{$msg2}";
echo $msginfo."\n\n";
}
function RpLine($str)
{
$str = str_replace("\r", "\\r", $str);
$str = str_replace("\n", "\\n", $str);
return $str;
}