crmeb-background-api/crmeb/app/services/system/SystemDatabackupServices.php

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<?php
// +----------------------------------------------------------------------
// | CRMEB [ CRMEB赋能开发者助力企业发展 ]
// +----------------------------------------------------------------------
// | Copyright (c) 2016~2023 https://www.crmeb.com All rights reserved.
// +----------------------------------------------------------------------
// | Licensed CRMEB并不是自由软件未经许可不能去掉CRMEB相关版权
// +----------------------------------------------------------------------
// | Author: CRMEB Team <admin@crmeb.com>
// +----------------------------------------------------------------------
namespace app\services\system;
use app\services\BaseServices;
use crmeb\services\MysqlBackupService;
use think\facade\Db;
use think\facade\Env;
/**
* 数据库备份
* Class SystemDatabackupServices
* @package app\services\system
*/
class SystemDatabackupServices extends BaseServices
{
/**
*
* @var MysqlBackupService
*/
protected $dbBackup;
/**
* 构造方法
* SystemDatabackupServices constructor.
*/
public function __construct()
{
$this->dbBackup = app()->make(MysqlBackupService::class, [[
//数据库备份卷大小
'compress' => 1,
//数据库备份文件是否启用压缩 0不压缩 1 压缩
'level' => 5,
]]);
}
/**
* 获取数据库列表
* @return array
* @throws \think\db\exception\BindParamException
*/
public function getDataList()
{
$list = $this->dbBackup->dataList();
$count = count($list);
return compact('list', 'count');
}
/**
* 获取表详情
* @param string $tablename
* @return array
*/
public function getRead(string $tablename)
{
$database = Env::get("database.database");
$list = Db::query("select * from information_schema.columns where table_name = '" . $tablename . "' and table_schema = '" . $database . "'");
$count = count($list);
foreach ($list as $key => $f) {
$list[$key]['EXTRA'] = ($f['EXTRA'] == 'auto_increment' ? '是' : ' ');
}
return compact('list', 'count');
}
/**
* @return MysqlBackupService
*/
public function getDbBackup()
{
return $this->dbBackup;
}
/**
* 备份表
* @param string $tables
* @return string
* @throws \think\db\exception\BindParamException
*/
public function backup(string $tables)
{
$tables = explode(',', $tables);
$data = '';
ini_set ("memory_limit","-1");
foreach ($tables as $t) {
$res = $this->dbBackup->backup($t, 0);
if ($res == false && $res != 0) {
$data .= $t . '|';
}
}
return $data;
}
/**
* 获取备份列表
* @return array
*/
public function getBackup()
{
$files = $this->dbBackup->fileList();
$data = [];
foreach ($files as $key => $t) {
$data[$key]['filename'] = $t['filename'];
$data[$key]['part'] = $t['part'];
$data[$key]['size'] = $t['size'] . 'B';
$data[$key]['compress'] = $t['compress'];
$data[$key]['backtime'] = $key;
$data[$key]['time'] = $t['time'];
}
krsort($data);//根据时间降序
return ['count' => count($data), 'list' => array_values($data)];
}
}