339 lines
13 KiB
PHP
339 lines
13 KiB
PHP
<?php
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namespace app\admin\controller;
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use think\facade\View;
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use think\facade\Db;
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use think\facade\Lang;
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//数据库备份根路径
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define('DATA_BACKUP_PATH', 'uploads/sqldata/');
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//数据库备份卷大小 20971520表示为 20M
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//define('DATA_BACKUP_PART_SIZE', 20971520);
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define('DATA_BACKUP_PART_SIZE', 1024*1024*10);
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//数据库备份文件是否启用压缩
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define('DATA_BACKUP_COMPRESS', 0);
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//数据库备份文件压缩级别
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define('DATA_BACKUP_COMPRESS_LEVEL', 9);
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/**
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* ============================================================================
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* 联课教育商城系统
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* ============================================================================
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* 版权所有 2022 刻羽互动科技有限公司,并保留所有权利。
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* 网站地址: http://www.o1h.cn
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* ----------------------------------------------------------------------------
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* 这不是一个自由软件!您只能在不用于商业目的的前提下对程序代码进行修改和使用 .
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* 不允许对程序代码以任何形式任何目的的再发布。
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* ============================================================================
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* 控制器
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*/
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class Database extends AdminControl {
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public function initialize() {
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parent::initialize(); // TODO: Change the autogenerated stub
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Lang::load(base_path() . 'admin/lang/'.config('lang.default_lang').'/db.lang.php');
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}
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public function db() {
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$dbtable_list = Db::query('SHOW TABLE STATUS');
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$total = 0;
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foreach ($dbtable_list as $k => $v) {
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$dbtable_list[$k]['size'] = format_bytes($v['Data_length'] + $v['Index_length']);
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$total += $v['Data_length'] + $v['Index_length'];
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}
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View::assign('dbtable_list', $dbtable_list);
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View::assign('total', format_bytes($total));
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View::assign('tableNum', count($dbtable_list));
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$this->setAdminCurItem('db');
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return View::fetch();
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}
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public function export($tables = null, $id = null, $start = null) {
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//防止备份数据过程超时
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function_exists('set_time_limit') && set_time_limit(0);
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if (request()->isPost() && !empty($tables) && is_array($tables)) { //初始化
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$path = DATA_BACKUP_PATH;
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if (!is_dir($path)) {
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mkdir($path, 0755, true);
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}
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//读取备份配置
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$config = array(
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'path' => realpath($path) . DIRECTORY_SEPARATOR,
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'part' => DATA_BACKUP_PART_SIZE,
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'compress' => DATA_BACKUP_COMPRESS,
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'level' => DATA_BACKUP_COMPRESS_LEVEL,
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);
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//检查是否有正在执行的任务
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$lock = "{$config['path']}backup.lock";
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if (is_file($lock)) {
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return json(array('info' => '检测到有一个备份任务正在执行,请稍后再试!', 'status' => 0, 'url' => ''));
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} else {
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//创建锁文件
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file_put_contents($lock, TIMESTAMP);
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}
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//检查备份目录是否可写
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if (!is_writeable($config['path'])) {
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return json(array('info' => '备份目录不存在或不可写,请检查后重试!', 'status' => 0, 'url' => ''));
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}
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session('backup_config', $config);
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//生成备份文件信息
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$file = array(
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'name' => date('Ymd-His', $_SERVER['REQUEST_TIME']),
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'part' => 1,
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);
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session('backup_file', $file);
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//缓存要备份的表
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session('backup_tables', $tables);
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//创建备份文件
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$Database = new \mall\Backup($file, $config);
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if (false !== $Database->create()) {
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$tab = array('id' => 0, 'start' => 0);
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return json(array('tables' => $tables, 'tab' => $tab, 'info' => '初始化成功!', 'status' => 1, 'url' => ''));
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} else {
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return json(array('info' => '初始化失败,备份文件创建失败!', 'status' => 0, 'url' => ''));
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}
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} elseif (request()->isGet() && is_numeric($id) && is_numeric($start)) { //备份数据
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$tables = session('backup_tables');
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//备份指定表
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$Database = new \mall\Backup(session('backup_file'), session('backup_config'));
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$start = $Database->backup($tables[$id], $start);
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if (false === $start) { //出错
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return json(array('info' => '备份出错!', 'status' => 0, 'url' => ''));
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} elseif (0 === $start) { //下一表
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if (isset($tables[++$id])) {
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$tab = array('id' => $id, 'start' => 0);
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return json(array('tab' => $tab, 'info' => '备份完成!', 'status' => 1, 'url' => ''));
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} else { //备份完成,清空缓存
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unlink(session('backup_config.path') . 'backup.lock');
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session('backup_tables', null);
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session('backup_file', null);
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session('backup_config', null);
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return json(array('info' => '备份完成!', 'status' => 1, 'url' => ''));
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}
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} else {
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$tab = array('id' => $id, 'start' => $start[0]);
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$rate = floor(100 * ($start[0] / $start[1]));
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return json(array('tab' => $tab, 'info' => "正在备份...({$rate}%)", 'status' => 1, 'url' => ''));
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}
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} else {
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//出错
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return json(array('info' =>lang('param_error'), 'status' => 0, 'url' => ''));
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}
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}
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public function restore() {
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$path = DATA_BACKUP_PATH;
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if (!is_dir($path)) {
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mkdir($path, 0755, true);
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}
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$path = realpath($path);
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$flag = \FilesystemIterator::KEY_AS_FILENAME;
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$glob = new \FilesystemIterator($path, $flag);
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$restore_list = array();
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$filenum = $total = 0;
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foreach ($glob as $name => $file) {
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if (preg_match('/^\d{8,8}-\d{6,6}-\d+\.sql(?:\.gz)?$/', $name)) {
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$name = sscanf($name, '%4s%2s%2s-%2s%2s%2s-%d');
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$date = "{$name[0]}-{$name[1]}-{$name[2]}";
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$time = "{$name[3]}:{$name[4]}:{$name[5]}";
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$part = $name[6];
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$info = pathinfo($file);
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if (isset($restore_list["{$date} {$time}"])) {
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$info = $restore_list["{$date} {$time}"];
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$info['part'] = max($info['part'], $part);
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$info['size'] = $info['size'] + $file->getSize();
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} else {
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$info['part'] = $part;
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$info['size'] = $file->getSize();
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}
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$info['compress'] = ($info['extension'] === 'sql') ? '-' : $info['extension'];
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$info['time'] = strtotime("{$date} {$time}");
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$filenum++;
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$total += $info['size'];
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$restore_list["{$date} {$time}"] = $info;
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}
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}
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View::assign('restore_list', $restore_list);
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View::assign('filenum', $filenum);
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View::assign('total', $total);
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$this->setAdminCurItem('restore');
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return View::fetch();
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}
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/**
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* 执行还原数据库操作
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* @param int $time
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* @param null $part
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* @param null $start
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*/
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public function import($time = 0, $part = null, $start = null) {
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function_exists('set_time_limit') && set_time_limit(0);
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if (is_numeric($time) && is_null($part) && is_null($start)) { //初始化
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//获取备份文件信息
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$name = date('Ymd-His', $time) . '-*.sql*';
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$path = realpath(DATA_BACKUP_PATH) . DIRECTORY_SEPARATOR . $name;
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$files = glob($path);
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$list = array();
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foreach ($files as $name) {
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$basename = basename($name);
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$match = sscanf($basename, '%4s%2s%2s-%2s%2s%2s-%d');
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$gz = preg_match('/^\d{8,8}-\d{6,6}-\d+\.sql.gz$/', $basename);
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$list[$match[6]] = array($match[6], $name, $gz);
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}
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ksort($list);
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//检测文件正确性
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$last = end($list);
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if (count($list) === $last[0]) {
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session('backup_list', $list); //缓存备份列表
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$this->success('初始化完成!', NULL ,['part'=>1,'start'=>0]);
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} else {
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$this->error('备份文件可能已经损坏,请检查!');
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}
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} elseif (is_numeric($part) && is_numeric($start)) {
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$list = session('backup_list');
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$db = new \mall\Backup($list[$part], array(
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'path' => realpath(DATA_BACKUP_PATH) . DIRECTORY_SEPARATOR,
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'compress' => $list[$part][2])
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);
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$start = $db->import($start);
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if (false === $start) {
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$this->error('还原数据出错!');
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} elseif (0 === $start) { //下一卷
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if (isset($list[++$part])) {
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$data = array('part' => $part, 'start' => 0);
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$this->success("正在还原...#{$part}", null, $data);
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} else {
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session('backup_list', null);
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$this->success('还原完成!');
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}
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} else {
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$data = array('part' => $part, 'start' => $start[0]);
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if ($start[1]) {
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$rate = floor(100 * ($start[0] / $start[1]));
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$this->success("正在还原...#{$part} ({$rate}%)", null, $data);
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} else {
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$data['gz'] = 1;
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$this->success("正在还原...#{$part}", null, $data);
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}
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}
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} else {
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$this->error(lang('param_error'));
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}
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}
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/**
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* 优化
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*/
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public function optimize() {
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$batchFlag = intval(input('param.batchFlag'));
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//批量删除
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if ($batchFlag) {
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$table = input('param.key');
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} else {
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$table[] = input('param.tablename');
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}
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if (empty($table)) {
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$this->error('请选择要优化的表');
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}
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$strTable = implode(',', $table);
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if (!Db::query("OPTIMIZE TABLE {$strTable} ")) {
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$strTable = '';
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}
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$this->success("优化表成功" . $strTable, url('Database/db'));
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}
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/**
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* 修复
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*/
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public function repair() {
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$batchFlag = intval(input('param.batchFlag'));
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//批量删除
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if ($batchFlag) {
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$table = I('key', array());
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} else {
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$table[] = input('param.tablename');
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}
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if (empty($table)) {
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$this->error('请选择修复的表');
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}
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$strTable = implode(',', $table);
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if (!Db::query("REPAIR TABLE {$strTable} ")) {
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$strTable = '';
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}
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$this->success("修复表成功" . $strTable, url('Database/db'));
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}
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/**
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* 下载
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* @param int $time
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*/
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public function downFile($time = 0) {
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$name = date('Ymd-His', $time) . '-*.sql*';
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$path = realpath(DATA_BACKUP_PATH) . DIRECTORY_SEPARATOR . $name;
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$files = glob($path);
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if (is_array($files)) {
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foreach ($files as $filePath) {
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if (!file_exists($filePath)) {
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$this->error("该文件不存在,可能是被删除");
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} else {
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$filename = basename($filePath);
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header("Content-type: application/octet-stream");
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header('Content-Disposition: attachment; filename="' . $filename . '"');
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header("Content-Length: " . filesize($filePath));
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readfile($filePath);
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}
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}
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}
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}
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/**
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* 删除备份文件
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* @param Integer $time 备份时间
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*/
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public function del($time = 0) {
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if ($time) {
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$name = date('Ymd-His', $time) . '-*.sql*';
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$path = realpath(DATA_BACKUP_PATH) . DIRECTORY_SEPARATOR . $name;
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array_map("unlink", glob($path));
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if (count(glob($path))) {
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$this->error('备份文件删除失败,请检查权限!');
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} else {
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$this->success('备份文件删除成功!');
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}
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} else {
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$this->error(lang('param_error'));
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}
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}
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/**
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* 获取卖家栏目列表,针对控制器下的栏目
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*/
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protected function getAdminItemList() {
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$menu_array = array(
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array(
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'name' => 'db',
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'text' => '数据备份',
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'url' => url('Database/db')
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),
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array(
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'name' => 'restore',
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'text' => '数据还原',
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'url' => url('Database/restore')
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),
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);
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return $menu_array;
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}
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}
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?>
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