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<?php
namespace app\admin\controller;
use think\Db;
use app\common\util\Dir;
use app\common\util\Database as dbOper;
class Database extends Base
{
var $_db_config;
public function __construct()
{
parent::__construct();
}
public function index()
{
$group = input('group');
if($group=='import'){
//列出备份文件列表
$path = trim( $GLOBALS['config']['db']['backup_path'], '/').DS;
if (!is_dir($path)) {
Dir::create($path);
}
$flag = \FilesystemIterator::KEY_AS_FILENAME;
$glob = new \FilesystemIterator($path, $flag);
$list = [];
foreach ($glob as $name => $file) {
if(preg_match('/^\d{8,8}-\d{6,6}-\d+\.sql(?:\.gz)?$/', $name)){
$name = sscanf($name, '%4s%2s%2s-%2s%2s%2s-%d');
$date = "{$name[0]}-{$name[1]}-{$name[2]}";
$time = "{$name[3]}:{$name[4]}:{$name[5]}";
$part = $name[6];
if(isset($list["{$date} {$time}"])){
$info = $list["{$date} {$time}"];
$info['part'] = max($info['part'], $part);
$info['size'] = $info['size'] + $file->getSize();
} else {
$info['part'] = $part;
$info['size'] = $file->getSize();
}
$extension = strtoupper($file->getExtension());
$info['compress'] = ($extension === 'SQL') ? '无' : $extension;
$info['time'] = strtotime("{$date} {$time}");
$list["{$date} {$time}"] = $info;
}
}
}
else{
$group='export';
$list = Db::query("SHOW TABLE STATUS");
}
$this->assign('list',$list);
$this->assign('title',lang('admin/database/title'));
return $this->fetch('admin@database/'.$group);
}
public function export($ids = '', $start = 0)
{
if ($this->request->isPost()) {
if (empty($ids)) {
return $this->error(lang('admin/database/select_export_table'));
}
if (!is_array($ids)) {
$tables[] = $ids;
} else {
$tables = $ids;
}
$have_admin = false;
$admin_table='';
foreach($tables as $k=>$v){
if(strpos($v,'_admin')!==false){
$have_admin=true;
$admin_table = $v;
unset($tables[$k]);
}
}
if($have_admin){
$tables[] = $admin_table;
}
//读取备份配置
$config = array(
'path' => $GLOBALS['config']['db']['backup_path'] .DS,
'part' => $GLOBALS['config']['db']['part_size'] ,
'compress' => $GLOBALS['config']['db']['compress'] ,
'level' => $GLOBALS['config']['db']['compress_level'] ,
);
//检查是否有正在执行的任务
$lock = "{$config['path']}backup.lock";
if(is_file($lock)){
return $this->error(lang('admin/database/lock_check'));
} else {
if (!is_dir($config['path'])) {
Dir::create($config['path'], 0755, true);
}
//创建锁文件
file_put_contents($lock, $this->request->time());
}
//生成备份文件信息
$file = [
'name' => date('Ymd-His', $this->request->time()),
'part' => 1,
];
// 创建备份文件
$database = new dbOper($file, $config);
if($database->create() !== false) {
// 备份指定表
foreach ($tables as $table) {
$start = $database->backup($table, $start);
while (0 !== $start) {
if (false === $start) {
return $this->error(lang('admin/database/backup_err'));
}
$start = $database->backup($table, $start[0]);
}
}
// 备份完成，删除锁定文件
unlink($lock);
}
return $this->success(lang('admin/database/backup_ok'));
}
return $this->error(lang('admin/database/backup_err'));
}
/**
* 恢复数据库 [参考原作者 麦当苗儿 <zuojiazi@vip.qq.com>]
* @param string|array $ids 表名
* @param integer $start 起始行数
* @author 橘子俊 <364666827@qq.com>
* @return mixed
*/
public function import($id = '')
{
if (empty($id)) {
return $this->error(lang('admin/database/select_file'));
}
$name = date('Ymd-His', $id) . '-*.sql*';
$path = trim( $GLOBALS['config']['db']['backup_path'] , '/').DS.$name;
$files = glob($path);
$list = array();
foreach($files as $name){
$basename = basename($name);
$match = sscanf($basename, '%4s%2s%2s-%2s%2s%2s-%d');
$gz = preg_match('/^\d{8,8}-\d{6,6}-\d+\.sql.gz$/', $basename);
$list[$match[6]] = array($match[6], $name, $gz);
}
ksort($list);
// 检测文件正确性
$last = end($list);
if(count($list) === $last[0]){
foreach ($list as $item) {
$config = [
'path' => trim($GLOBALS['config']['db']['backup_path'], '/').DS,
'compress' => $item[2]
];
$database = new dbOper($item, $config);
$start = $database->import(0);
// 导入所有数据
while (0 !== $start) {
if (false === $start) {
return $this->error(lang('admin/database/import_err'));
}
$start = $database->import($start[0]);
}
}
return $this->success(lang('admin/database/import_ok'));
}
return $this->error(lang('admin/database/file_damage'));
}
public function optimize($ids = '')
{
if (empty($ids)) {
return $this->error(lang('admin/database/select_optimize_table'));
}
if (!is_array($ids)) {
$table[] = $ids;
} else {
$table = $ids;
}
$tables = implode('`,`', $table);
$res = Db::query("OPTIMIZE TABLE `{$tables}`");
if ($res) {
return $this->success(lang('admin/database/optimize_ok'));
}
return $this->error(lang('admin/database/optimize_err'));
}
public function repair($ids = '')
{
if (empty($ids)) {
return $this->error(lang('admin/database/select_repair_table'));
}
if (!is_array($ids)) {
$table[] = $ids;
} else {
$table = $ids;
}
$tables = implode('`,`', $table);
$res = Db::query("REPAIR TABLE `{$tables}`");
if ($res) {
return $this->success(lang('admin/database/repair_ok'));
}
return $this->error(lang('admin/database/repair_ok'));
}
public function del($id = '')
{
if (empty($id)) {
return $this->error(lang('admin/database/select_del_file'));
}
$name = date('Ymd-His', $id) . '-*.sql*';
$path = trim($GLOBALS['config']['db']['backup_path']).DS.$name;
array_map("unlink", glob($path));
if(count(glob($path)) && glob($path)){
return $this->error(lang('del_err'));
}
return $this->success(lang('del_ok'));
}
public function sql()
{
if($this->request->isPost()){
$param=input();
$validate = \think\Loader::validate('Token');
if(!$validate->check($param)){
return $this->error($validate->getError());
}
$sql = trim($param['sql']);
if(!empty($sql)){
$sql = str_replace('{pre}',config('database.prefix'),$sql);
//查询语句返回结果集
if(
strtolower(substr($sql,0,6))=="select" ||
stripos($sql, ' outfile') !== false
){
}
else{
Db::execute($sql);
}
}
$this->success(lang('run_ok'));
}
return $this->fetch('admin@database/sql');
}
public function columns()
{
$param = input();
$table = $param['table'];
if (!empty($table) && !$this->isValidTable($table)) {
return $this->error('Table is invalid.');
}
if (!empty($table)) {
$list = Db::query('SHOW COLUMNS FROM ' . $table);
$this->success(lang('obtain_ok'),null, $list);
}
$this->error(lang('param_err'));
}
public function rep()
{
if($this->request->isPost()){
$param = input();
$table = $param['table'];
$field = $param['field'];
$findstr = $param['findstr'];
$tostr = $param['tostr'];
$where = $param['where'];
$validate = \think\Loader::validate('Token');
if(!$validate->check($param)){
return $this->error($validate->getError());
}
if (!empty($table) && !$this->isValidTable($table)) {
return $this->error('Table is invalid.');
}
if(!empty($field) && !empty($findstr) && !empty($tostr)){
$sql = "UPDATE ".$table." set ".$field."=Replace(".$field.",'".$findstr."','".$tostr."') where 1=1 ". $where;
Db::execute($sql);
return $this->success(lang('run_ok'));
}
return $this->error(lang('param_err'));
}
$list = Db::query("SHOW TABLE STATUS");
$this->assign('list',$list);
return $this->fetch('admin@database/rep');
}
private function isValidTable($table) {
$list = Db::query("SHOW TABLE STATUS");
foreach ($list as $table_raw) {
if ($table_raw['Name'] == $table) {
return true;
}
}
return false;
}
}
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