支持SAE的数据库备份Thinkphp3.2.3-php手册-PHP中文网

数据库备份是一个好看的功能，支持SAE的数据库备份的类库
支持SAE的数据库备份Thinkphp3.2.3 // +---------------------------------------------------------------------- // | Author: 左边（加群：366504956(刚建，欢迎) 交流thinkphp下微信开发） // +---------------------------------------------------------------------- //类库放在Application\Common\Libs目录下 use \Common\Libs\MySQLReback; //数据备份 public function sqlback(){ $DataDir = "Databak"; if(!file_exists($DataDir))mkdir($DataDir) ; $opt = trim(I('get.opt')); $file = trim(I('get.file')); $mr = new MySQLReback(); $mr->setDBName(C('DB_NAME')); $mr->setPath($DataDir); if ($opt) { if ($opt == 'backup') { $mr->backup()?$alert = '数据库备份成功！':$alert = $mr->error(); } if($opt == 'optimize'){ $mr->optimize()?$alert = '数据库优化成功！':$alert = $mr->error(); } if ($opt == 'redo' && $file) { $r = $mr->recover($file); $alert = '数据库还原成功'.$r['qty'] ."条"; } if ($opt== 'del' && $file) { $mr->remove($file)?$alert = '数据库删除成功！':$alert = $mr->error(); } if ($opt == 'download' && $file ) $mr->DownloadFile($file); } $lists = $mr->dataList($DataDir); $this->assign("list", $lists); if($alert) $this->assign('alert',"alert('".$alert."');"); $this->display(); }页面<extend></extend> <block> <script> $(function(){ $('.opt').click(function(){ opt = $(this).data('opt'); file = $(this).parent().data('f'); location.href = "__ACTION__/opt/"+opt+'/file/'+file; }) {$alert} }) </script> </block> <block>系统管理 > 数据库管理</block> <block> <table> <tr> <td> <table> <tr> <td>编号</td> <td>文件名</td> <td>备份时间</td> <td>文件大小</td> <td>操作</td> </tr> <volist> <tr> <td> {$key+1} </td> <td> <a>{$vo.filename}</a> </td> <td> {$vo.filetime} </td> <td> {:$vo['filesize']/1000} KB </td> <td> <input> <input> <input> </td> </tr> </volist> <tr> <td> <input> <input> </td> </tr> </table> </td> </tr> </table> </block>类文件<?php // +---------------------------------------------------------------------- // | Author: 左边（加群：366504956(刚建，欢迎) 交流thinkphp下微信开发） // +---------------------------------------------------------------------- namespace Common\Libs; use Think\Db; use sinacloud\sae\Storage as Storage; class MySQLReback { private $path; private $isCompress; private $content; private $dbName; private $error; private $sign = '/*++$*/'; const DIR_SEP = DIRECTORY_SEPARATOR; public function __construct() { $this->path = 'Databak'; } public function setDBName($dbName) { $this->dbName = $dbName; } public function setPath($path) { $this->path = $path; } public function setIsCompress($isCompress){ $this->isCompress = $isCompress; } private function getFile($fileName) { if(strtolower(STORAGE_TYPE) == 'sae'){ $s = new Storage(); $r = json_encode($s -> getObject(strtolower( $this->path ), $fileName) ); $r = json_decode($r,true); return $r['body']; } $fileName = $this->path . self::DIR_SEP . $fileName; if (is_file($fileName)) { $ext = strrchr($fileName, '.'); if ($ext == '.sql') { return file_get_contents($fileName); } elseif ($ext == '.gz') { return implode('', gzfile($fileName)); } else { $this->error = '_无法识别的文件格式!'; return; } } else { $this->error = '文件不存在!'; return; } } private function setFile($content) { $recognize = $this->dbName; $fileName = $recognize . '_' . date('YmdHis') . '_' . mt_rand(100000000, 999999999) . '.sql'; if(strtolower(STORAGE_TYPE) == 'sae'){ $s = new Storage(); $root_path = strtolower($this->$path); //不存在就创建 $pathArr = $s->listBuckets(); if(!in_array($root_path,$pathArr) ){ $s->putBucket($root_path,'.r:*'); } //写入 $path = $s->putObject($content, $root_path, $fileName); if($path !== true){ $this->error = "写入文件失败"; return; } return $path; } $fileName = $this->path . self::DIR_SEP .$fileName; $path = $this->cetPath($fileName); if ($path !== true) { $this->error = "无法创建备份目录,目录 '$path'"; return; } if ($this->isCompress == 0) { if (!file_put_contents($fileName, $content, LOCK_EX)) { $this->error = '写入文件失败,请检查磁盘空间或者权限!'; return; } } else { if (function_exists('gzwrite')) { $fileName .= '.gz'; $gz = gzopen($fileName, 'wb'); if ($gz) { $gw = gzwrite($gz, $content); gzclose($gz); return $gw; } else { $this->error = '写入文件失败,请检查磁盘空间或者权限!'; return; } } else { $this->error = '没有开启gzip扩展!'; return; } } } private function cetPath($fileName) { $dirs = explode(self::DIR_SEP, dirname($fileName)); $tmp = ''; foreach ($dirs as $dir) { $tmp .= $dir . self::DIR_SEP; if (!file_exists($tmp) && !@mkdir($tmp, 0777)) return; } return true; } //备份 public function backup(){ $db = Db::getInstance(); $tables = $db->query('SHOW TABLE STATUS'); $tables = array_map('array_change_key_case', $tables); $sql = '/* This file is created by MySQLReback ' . date('Y-m-d H:i:s') . ' */'; foreach ($tables as $value) { $table = $value['name']; $result = $db->query("SHOW CREATE TABLE `{$table}`"); $create = $result[0]['create table']; $sql .= "\r\n /* 创建表结构 {$table} */"; $sql .= "\r\n DROP TABLE IF EXISTS {$table};". $this->sign ." {$create};" . $this->sign; $result = $db->query("SELECT COUNT(*) AS count FROM `{$table}`"); $count = $result['0']['count']; if($count){ $sql .= "\r\n /* 插入数据 {$table} */"; $result = $db->query("SELECT * FROM {$table}"); foreach ($result as $row) { $row = array_map('addslashes', $row); $sql .= "\r\n INSERT INTO {$table} VALUES ( '" . str_replace( array("\r","\n") , array('\r','\n') ,implode("', '", $row) ) . "' );".$this->sign; } } } if ($sql) { return $this->setFile($sql); }else{ $this->error = '数据为空'; } return; } //删除备份 public function remove($fileName){ if(strtolower(STORAGE_TYPE) == 'sae'){ $s = new Storage(); $r = $s->deleteObject(strtolower($this->path), $fileName); if(!$r){ $this->error = '删除失败'; return; } return true; } if(!@unlink($this->path . self::DIR_SEP . $fileName)){ $this->error = '删除失败'; return; } return true; } //表优化 public function optimize(){ if(strtolower(STORAGE_TYPE) == 'sae'){ $this->error='SAE数据库不支持表优化'; return ; } $db = Db::getInstance(); $list = $db->query('SHOW TABLE STATUS'); $list = array_map('array_change_key_case', $list); foreach ($list as $key => $value) { $tables[] = $value['name']; } if($tables) { if(is_array($tables)){ $tables = implode('`,`', $tables); $list[] = $db->execute("OPTIMIZE TABLE `{$tables}`"); } } return $list; } //恢复 public function recover($fileName) { $content = $this->getFile($fileName); if (!$content) { if($this->error)return; return '数据为空'; } $content = explode($this->sign, $content); $db = Db::getInstance(); foreach ($content as $i => $sql) { $sql = trim($sql); if (!empty($sql)){ $res = $db->execute($sql); if($res){ $rs['qty']++; }else{ $rt[] = $sql; } } } $rs['error'] = $rt; return $rs; } public function DownloadFile($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'); if(strtolower(STORAGE_TYPE) == 'sae'){ $s = new Storage(); $r = json_encode($s -> getObject(strtolower( $this->path ), $fileName) ); $r = json_decode($r,true); header('Content-Disposition: attachment; filename="' . $fileName . '"'); echo $r['body']; }else{ $fileName = $this->path . self::DIR_SEP . $fileName; $stat = stat($this->path . self::DIR_SEP . $filename); header('Content-Disposition: attachment; filename="' . $fileName . '"'); header('Content-Length: ' . $stat['size']); readfile($fileName); } } public function dataList() { if(strtolower(STORAGE_TYPE) == 'sae'){ $s = new Storage(); $f = $s->getBucket( strtolower($this->path) ); foreach ($f as $v) { $rt['filename'] = $v['name']; $rt['filetime'] = date('Y-m-d H:i:s',strtotime($v['last_modified']) ); $rt['filesize'] = $v['bytes']; $FileAndFolderAyy[] = $rt; } }else{ $FilePath = opendir($this->path); while (false !== ($filename = readdir($FilePath))) { if ($filename!="." && $filename!=".."){ $stat = stat($this->path .'/'. $filename); $rt['filename'] = $filename; $rt['filetime'] = date('Y-m-d H:i:s', $stat['mtime'] ); $rt['filesize'] = $stat['size']; $FileAndFolderAyy[] = $rt; } } } $Order == 0 ? sort($FileAndFolderAyy) : rsort($FileAndFolderAyy); return $FileAndFolderAyy; } public function error(){ return $this->error; } } ?>

MySQLReback.class.zip ( 2.71 KB 下载：14 次 )

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