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public function backupok() {
		include_once STAGEPATH."/dumpdb.class.php";
		if(isset($_GET['tableorder'])) {	//非第一次备份
			$tableorder	= intval($_GET["tableorder"]);
			$tablepos	= intval($_GET["tablepos"]);
			$filename	= trim($_GET["filename"]);
			$vol		= intval($_GET["vol"]);
			$dumpdb		= new Dumpdb($vol,$filename,$tablepos,$tableorder);
			$dumpdb->dump_tables();
		} else {							//第一次备份
			//获取所有表
			$dumpdb = new Dumpdb();
			$dumpdb->dump_tables();
		}
		if($dumpdb->getFinished()) {		//已经结束
			$this->adminlog('al_backup');
			echo __("backup_finished")."<script>setTimeout(function(){ window.location.reload(); },1000)</script>";
			//生成文件
			$filetime	= time();
			$vol		= $dumpdb->getNextVol() - 1;
			$filename	= $dumpdb->getFileName();
			$crlf		= $dumpdb->getDeLimiter();
			$content	= "filename={$filename}".$crlf
						. "vol={$vol}".$crlf
						. "filetime={$filetime}".$crlf;
						; 
			$file = $dumpdb->getSqlFileDir() .  "/{$filename}.bak";
			cwritefile($file,$content);
		} else {
			$url = url("admin","data","backupok",
					"tableorder={$dumpdb->getTableOrder()}&tablepos={$dumpdb->getTablePos()}&filename={$dumpdb->getFileName()}&vol={$dumpdb->getnextVol()}",false);
			echo __("backup_vol",$dumpdb->getNextVol())."<script type='text/javascript'>$.oper.runjs('{$url}')</script>";
		}
		
	}