222 lines
7.8 KiB
PHP
222 lines
7.8 KiB
PHP
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<?php
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/**
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* @copyright Copyright (c) 2021 勾股工作室
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* @license https://opensource.org/licenses/GPL-3.0
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* @link https://www.gougucms.com
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*/
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declare (strict_types = 1);
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namespace app\home\controller;
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use app\base\BaseController;
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use backup\Backup;
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use think\facade\Session;
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use think\facade\View;
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class Database extends BaseController
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{
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//数据表列表
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public function database()
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{
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if (request()->isAjax()) {
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// 数据信息
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$db = new Backup();
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$list = $db->dataList();
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// 计算总大小
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$total = 0;
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foreach ($list as $k => $v) {
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$total += $v['data_length'];
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$list[$k]['data_size'] = $v['data_length'];
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$list[$k]['data_length'] = format_bytes($v['data_length']);
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}
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// 提示信息
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$dataTips = '数据库中共有<strong> ' . count($list) . '</strong> 张表，共计 <strong>' . format_bytes($total) . '</strong>大小。';
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$data['data'] = $list;
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return table_assign(0, $dataTips, $data);
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}
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return view();
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}
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//备份数据
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public function backup()
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{
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$db = new Backup();
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if (request()->isPost()) {
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$tables = get_params('tables');
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$fileinfo = $db->getFile();
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//检查是否有正在执行的任务
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$lock = "{$fileinfo['filepath']}backup.lock";
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if (is_file($lock)) {
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return to_assign(2, '检测到有一个备份任务未完成');
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} else {
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//创建锁文件
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file_put_contents($lock, time());
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}
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// 检查备份目录是否可写
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if (!is_writeable($fileinfo['filepath'])) {
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return to_assign(1, '备份目录不存在或不可写，请检查后重试');
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}
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//缓存锁文件
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Session::set('lock', $lock);
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//缓存备份文件信息
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Session::set('backup_file', $fileinfo['file']);
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//缓存要备份的表
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Session::set('backup_tables', $tables);
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//创建备份文件
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if (false !== $db->Backup_Init()) {
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return to_assign(0, '初始化成功，开始备份...', ['tab' => ['id' => 0, 'start' => 0, 'table' => $tables[0]]]);
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} else {
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return to_assign(1, '初始化失败，备份文件创建失败');
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}
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} else if (request()->isGet()) {
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$tables = Session::get('backup_tables');
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$file = Session::get('backup_file');
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$id = get_params('id');
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$start = get_params('start');
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$start = $db->setFile($file)->backup($tables[$id], $start);
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if (false === $start) {
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return to_assign(1, '备份出错');
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} else if (0 === $start) {
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if (isset($tables[++$id])) {
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return to_assign(0, '备份完成', ['tab' => ['id' => $id, 'start' => 0, 'table' => $tables[$id - 1]]]);
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} else { //备份完成，清空缓存
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unlink(Session::get('lock'));
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Session::delete('backup_tables');
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Session::delete('backup_file');
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add_log('bak');
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return to_assign(0, '备份完成', ['tab' => ['start' => 'ok', 'table' => $tables[$id - 1]]]);
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}
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}
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} else {
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return to_assign(1, '参数错误！');
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}
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}
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//优化表
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public function optimize($tables = null)
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{
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$db = new Backup();
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//return to_assign(0, $db->optimize($tables));
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if ($db->optimize($tables)) {
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add_log('optimize');
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return to_assign(0, '数据表优化完成');
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} else {
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return to_assign(1, '数据表优化出错请重试');
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}
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}
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//修复表
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public function repair($tables = null)
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{
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$db = new Backup();
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//return to_assign(0, $db->repair($tables));
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if ($db->repair($tables)) {
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add_log('repair');
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return to_assign(0, '数据表修复完成');
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} else {
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return to_assign(1, '数据表修复出错请重试');
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}
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}
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//备份文件列表
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public function backuplist()
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{
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$db = new Backup();
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$list = $db->fileList();
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$fileinfo = $db->getFile();
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$lock = "{$fileinfo['filepath']}backup.lock";
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$lock_time = 0;
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if (is_file($lock)) {
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$lock_time = file_get_contents($lock);
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}
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$listNew = [];
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$indx = 0;
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foreach ($list as $k => $v) {
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$listNew[$indx]['time'] = $k;
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$listNew[$indx]['timespan'] = $v['time'];
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$listNew[$indx]['data'] = $v;
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$indx++;
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}
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$list = $listNew;
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array_multisort(array_column($list, 'time'), SORT_DESC, $list);
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return view('', ['list' => $list, 'lock_time' => $lock_time]);
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}
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//数据还原
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public function import($time = 0, $part = null, $start = null)
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{
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$db = new Backup();
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$time = (int) $time;
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if (is_numeric($time) && is_null($part) && is_null($start)) {
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$list = $db->getFile('timeverif', $time);
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if (is_array($list)) {
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Session::set('backup_list', $list);
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return to_assign(0, '初始化完成，开始还原...', array('part' => 1, 'start' => 0, 'time' => $time));
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} else {
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return to_assign(1, '备份文件可能已经损坏,请检查');
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}
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} else if (is_numeric($part) && is_numeric($start)) {
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$list = Session::get('backup_list');
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$part = (int) $part;
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$start = (int) $start;
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$start = $db->setFile($list)->import($start, $time, $part);
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if (false === $start) {
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return to_assign(1, '还原数据出错,请重试');
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} elseif (0 === $start) {
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if (isset($list[++$part])) {
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$data = array('part' => $part, 'start' => 0, 'time' => $time);
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return to_assign(0, "正在还原...卷{$part}，请勿关闭当前页面", $data);
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} else {
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Session::delete('backup_list');
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return to_assign(0, '还原数据成功');
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}
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} else {
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$data = array('part' => $part, 'start' => $start[0], 'time' => $time);
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if ($start[1]) {
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$rate = floor(100 * ($start[0] / $start[1]));
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return to_assign(0, "正在还原...卷{$part} ({$rate}%)，请勿关闭当前页面", $data);
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} else {
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$data['gz'] = 1;
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return to_assign(0, "正在还原...卷{$part}，请勿关闭当前页面", $data);
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}
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return to_assign(0, "正在还原...卷{$part}，请勿关闭当前页面");
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}
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} else {
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return to_assign(1, "参数错误");
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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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*/
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public function del($time = 0, $lock = 0)
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{
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$db = new Backup();
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if ($lock == 1) {
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$fileinfo = $db->getFile();
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$lock = "{$fileinfo['filepath']}backup.lock";
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if (is_file($lock)) {
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$time = file_get_contents($lock);
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unlink($lock);
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}
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}
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if ($db->delFile((int) $time)) {
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add_log('delete');
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return to_assign(0, '删除成功');
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} else {
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return to_assign(0, '删除失败，请检查权限');
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}
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}
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/**
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* 下载备份文件
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*/
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public function downfile($time = 0, $part = 0)
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{
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$db = new Backup();
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add_log('down');
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$db->downloadFile((int) $time, $part - 1);
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}
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}
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