<?php
class backupsql_c extends Control
{ 
	function __construct()
	{
		parent::Control();

	}

	function backupsql_c()
	{
		$this->__construct();
	}

	function index_f()
	{
	 // $this->createsql();
	 echo "数据备份程序";
	}
	
	function backup_f()
	{
		//print_r($this->db->host."ok");

		$host=$this->db->host;
		$user=$this->db->user;
		$password=$this->db->pass;
		$dbname=$this->db->data;
		mysql_connect($host,$user,$password);
		mysql_select_db($dbname);
		$mysql= "set names utf8;";
		mysql_query($mysql);
		$q1=mysql_query("show tables");
		while($t=mysql_fetch_array($q1)){
		$table=$t[0];
		$q2=mysql_query("show create table `$table`");
		$sql=mysql_fetch_array($q2);
		$mysql.=$sql['Create Table'].";\n";
		$q3=mysql_query("select * from `$table`");
		while($data=mysql_fetch_assoc($q3)){
		$keys=array_keys($data);
		$keys=array_map('addslashes',$keys);
		$keys=join('`,`',$keys);
		$keys="`".$keys."`";
		$vals=array_values($data);
		$vals=array_map('addslashes',$vals);
		$vals=join("','",$vals);
		$vals="'".$vals."'";
		$mysql.="insert into `$table`($keys) values($vals);\n";
		}
		$mysql.="\n";
		}
		$filename="backupfiles/".$dbname.date('Ymj')."_".$this->system_time.".sql";
		$fp = fopen($filename,'w');
		fputs($fp,$mysql);
		fclose($fp);
		echo "数据备份成功,生成备份文件".$filename;

	}
}
?>