325 lines
9.8 KiB
PHP
325 lines
9.8 KiB
PHP
<?php
|
|
/*
|
|
BY:NODCLOUD.COM
|
|
*/
|
|
namespace org;
|
|
class BakSql {
|
|
private $config=[];
|
|
private $handler;
|
|
private $tables = array();//需要备份的表
|
|
private $begin; //开始时间
|
|
private $error;//错误信息
|
|
public function __construct($hostname,$username,$password,$database,$path='static'.DIRECTORY_SEPARATOR.'backup'.DIRECTORY_SEPARATOR) {
|
|
$config['hostname']=$hostname; //服务器地址
|
|
$config['username']=$username; //用户名
|
|
$config['password']=$password; //密码
|
|
$config['database']=$database; //数据库名
|
|
$config['type']='mysql'; //数据库类型
|
|
$config['hostport']='3306'; //数据库端口
|
|
$config['charset']='utf8'; //数据库端口
|
|
$config["sqlbakname"]='ERP_'.date("YmdHis",time()).".sql";//默认保存文件
|
|
$config['path']=$path; //默认目录
|
|
if (!file_exists($path)){
|
|
mkdir($path,0755,true); //如文件路径不存在,则按照路径创建多个文件夹
|
|
}
|
|
$this->config = $config;
|
|
$this->begin = microtime(true);
|
|
header("Content-type: text/html;charset=utf-8");
|
|
$this->connect();
|
|
}
|
|
//首次进行pdo连接
|
|
private function connect() {
|
|
try{
|
|
$this->handler =new \PDO("{$this->config['type']}:host={$this->config['hostname']};port={$this->config['hostport']};dbname={$this->config['database']};",
|
|
$this->config['username'],
|
|
$this->config['password'],
|
|
array(
|
|
\PDO::MYSQL_ATTR_INIT_COMMAND => "SET NAMES {$this->config['charset']};",
|
|
\PDO::ATTR_ERRMODE => \PDO::ERRMODE_EXCEPTION,
|
|
\PDO::ATTR_DEFAULT_FETCH_MODE => \PDO::FETCH_ASSOC
|
|
));
|
|
}catch (PDOException $e) {
|
|
die ("Error!: " . $e->getMessage() . "<br/>");
|
|
}
|
|
}
|
|
/**
|
|
* 查询
|
|
* @param string $sql
|
|
* @return mixed
|
|
*/
|
|
private function query($sql = '')
|
|
{
|
|
$stmt = $this->handler->query($sql);
|
|
$stmt->setFetchMode(\PDO::FETCH_NUM);
|
|
$list = $stmt->fetchAll();
|
|
return $list;
|
|
}
|
|
/**
|
|
* 获取全部表
|
|
* @param string $dbName
|
|
* @return array
|
|
*/
|
|
private function get_dbname($dbName = '*') {
|
|
$sql = 'SHOW TABLES';
|
|
$list = $this->query($sql);
|
|
$tables = array();
|
|
foreach ($list as $value)
|
|
{
|
|
$tables[] = $value[0];
|
|
}
|
|
return $tables;
|
|
}
|
|
/**
|
|
* 获取表定义语句
|
|
* @param string $table
|
|
* @return mixed
|
|
*/
|
|
private function get_dbhead($table = '')
|
|
{
|
|
$sql = "SHOW CREATE TABLE `{$table}`";
|
|
$ddl = $this->query($sql)[0][1] . ';';
|
|
return $ddl;
|
|
}
|
|
/**
|
|
* 获取表数据
|
|
* @param string $table
|
|
* @return mixed
|
|
*/
|
|
private function get_dbdata($table = '')
|
|
{
|
|
$sql = "SHOW COLUMNS FROM `{$table}`";
|
|
$list = $this->query($sql);
|
|
//字段
|
|
$columns = '';
|
|
//需要返回的SQL
|
|
$query = '';
|
|
foreach ($list as $value)
|
|
{
|
|
$columns .= "`{$value[0]}`,";
|
|
}
|
|
$columns = substr($columns, 0, -1);
|
|
$data = $this->query("SELECT * FROM `{$table}`");
|
|
foreach ($data as $value)
|
|
{
|
|
$dataSql = '';
|
|
foreach ($value as $v)
|
|
{
|
|
$dataSql .= "'".addslashes($v)."',";
|
|
}
|
|
$dataSql = substr($dataSql, 0, -1);
|
|
$query .= "INSERT INTO `{$table}` ({$columns}) VALUES ({$dataSql});\r\n";
|
|
}
|
|
return $query;
|
|
}
|
|
/**
|
|
* 写入文件
|
|
* @param array $tables
|
|
* @param array $ddl
|
|
* @param array $data
|
|
*/
|
|
private function writeToFile($tables = array(), $ddl = array(), $data = array())
|
|
{
|
|
$str = "/*\r\nMySQL Database Backup Tools - NODCLOUD.COM\r\n";
|
|
$str .= "Server:{$this->config['hostname']}:{$this->config['hostport']}\r\n";
|
|
$str .= "Database:{$this->config['database']}\r\n";
|
|
$str .= "Data:" . date('Y-m-d H:i:s', time()) . "\r\n*/\r\n";
|
|
$str .= "SET NAMES utf8;\r\n";
|
|
$str .= "SET FOREIGN_KEY_CHECKS=0;\r\n";
|
|
$str .= "SET sql_mode = 'NO_AUTO_VALUE_ON_ZERO';\r\n";
|
|
$i = 0;
|
|
foreach ($tables as $table)
|
|
{
|
|
$str .= "-- ----------------------------\r\n";
|
|
$str .= "-- Table structure for {$table}\r\n";
|
|
$str .= "-- ----------------------------\r\n";
|
|
$str .= "DROP TABLE IF EXISTS `{$table}`;\r\n";
|
|
$str .= $ddl[$i] . "\r\n";
|
|
$str .= "-- ----------------------------\r\n";
|
|
$str .= "-- Records of {$table}\r\n";
|
|
$str .= "-- ----------------------------\r\n";
|
|
$str .= $data[$i] . "\r\n";
|
|
$i++;
|
|
}
|
|
if(!file_exists($this->config['path'])){mkdir($this->config['path']);}
|
|
return file_put_contents($this->config['path'].$this->config['sqlbakname'], $str) ? 'success' : 'error';
|
|
}
|
|
/**
|
|
* 设置要备份的表
|
|
* @param array $tables
|
|
*/
|
|
private function setTables($tables = array())
|
|
{
|
|
if (!empty($tables) && is_array($tables))
|
|
{
|
|
//备份指定表
|
|
$this->tables = $tables;
|
|
}
|
|
else
|
|
{
|
|
//备份全部表
|
|
$this->tables = $this->get_dbname();
|
|
}
|
|
}
|
|
/**
|
|
* 备份
|
|
* @param array $tables
|
|
* @return bool
|
|
*/
|
|
public function backup($tables = array())
|
|
{
|
|
//存储表定义语句的数组
|
|
$ddl = array();
|
|
//存储数据的数组
|
|
$data = array();
|
|
$this->setTables($tables);
|
|
if (!empty($this->tables))
|
|
{
|
|
foreach ($this->tables as $table)
|
|
{
|
|
$ddl[] = $this->get_dbhead($table);
|
|
$data[] = $this->get_dbdata($table);
|
|
}
|
|
|
|
//开始写入
|
|
return $this->writeToFile($this->tables, $ddl, $data);
|
|
}
|
|
else
|
|
{
|
|
$this->error = '数据库中没有表!';
|
|
return false;
|
|
}
|
|
}
|
|
/**
|
|
* 错误信息
|
|
* @return mixed
|
|
*/
|
|
public function getError()
|
|
{
|
|
return $this->error;
|
|
}
|
|
//还原数据库
|
|
public function restore($filename = '')
|
|
{
|
|
$path=$this->config['path'].$filename;
|
|
if (!file_exists($path))
|
|
{
|
|
$this->error('SQL文件不存在!');
|
|
return false;
|
|
}
|
|
else
|
|
{
|
|
$sql = $this->parseSQL($path);
|
|
try
|
|
{
|
|
$this->handler->exec($sql);
|
|
return 'success';
|
|
}
|
|
catch (PDOException $e)
|
|
{
|
|
$this->error = $e->getMessage();
|
|
return false;
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* 解析SQL文件为SQL语句数组
|
|
* @param string $path
|
|
* @return array|mixed|string
|
|
*/
|
|
private function parseSQL($path = '')
|
|
{
|
|
$sql = file_get_contents($path);
|
|
$sql = explode("\r\n", $sql);
|
|
//先消除--注释
|
|
$sql = array_filter($sql, function ($data)
|
|
{
|
|
if (empty($data) || preg_match('/^--.*/', $data))
|
|
{
|
|
return false;
|
|
}
|
|
else
|
|
{
|
|
return true;
|
|
}
|
|
});
|
|
$sql = implode('', $sql);
|
|
//删除/**/注释
|
|
$sql = preg_replace('/\/\*.*\*\//', '', $sql);
|
|
return $sql;
|
|
}
|
|
/**
|
|
* 下载备份
|
|
* @param string $fileName
|
|
* @return array|mixed|string
|
|
*/
|
|
public function downloadFile($fileName) {
|
|
$fileName=$this->config['path'].$fileName;
|
|
if (file_exists($fileName)){
|
|
ob_end_clean();
|
|
header("Cache-Control: must-revalidate, post-check=0, pre-check=0");
|
|
header('Content-Description: File Transfer');
|
|
header('Content-Type: application/octet-stream');
|
|
header('Content-Length: ' . filesize($fileName));
|
|
header('Content-Disposition: attachment; filename=' . basename($fileName));
|
|
readfile($fileName);
|
|
}else{
|
|
$this->error="文件有错误！";
|
|
}
|
|
|
|
}
|
|
/**
|
|
* 获取文件是时间
|
|
* @param string $file
|
|
* @return string
|
|
*/
|
|
private function getfiletime($file){
|
|
$path=$this->config['path'].$file;
|
|
$a = filemtime($path);
|
|
$time = date("Y-m-d H:i:s", $a);
|
|
return $time;
|
|
}
|
|
/**
|
|
* 获取文件是大小
|
|
* @param string $file
|
|
* @return string
|
|
*/
|
|
private function getfilesize($file){
|
|
$perms=stat($this->config['path'].$file);
|
|
$size = $perms['size'];
|
|
$a = ['B', 'KB', 'MB', 'GB', 'TB'];
|
|
$pos = 0;
|
|
while ($size >= 1024) {
|
|
$size /= 1024;
|
|
$pos++;
|
|
}
|
|
return round($size, 2). $a[$pos];
|
|
}
|
|
|
|
/**
|
|
* 获取文件列表
|
|
* @param string $Order 级别
|
|
* @return array
|
|
*/
|
|
public function get_filelist($Order = 0) {
|
|
$FilePath=$this->config['path'];
|
|
$FilePath = opendir($FilePath);
|
|
$FileAndFolderAyy=array();
|
|
$i=1;
|
|
while (false !== ($filename = readdir($FilePath))) {
|
|
if ($filename!="." && $filename!=".."){
|
|
$i++;
|
|
$FileAndFolderAyy[$i]['name'] = $filename;
|
|
$FileAndFolderAyy[$i]['time'] = $this->getfiletime($filename);
|
|
$FileAndFolderAyy[$i]['size'] = $this->getfilesize($filename);
|
|
}
|
|
}
|
|
$Order == 0 ? sort($FileAndFolderAyy) : rsort($FileAndFolderAyy);
|
|
return array_reverse($FileAndFolderAyy);//返回反转数组
|
|
}
|
|
public function delfilename($filename){
|
|
$path=$this->config['path'].$filename;
|
|
if (@unlink($path)) {return 'success';}
|
|
}
|
|
}
|
|
?>
|