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Gitea
2022-01-24 10:43:35 +08:00
commit 15dfc6576b
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apps/admin/controller/system/DatabaseController.php Normal file
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<?php
/**
* @copyright (C)2016-2099 Hnaoyun Inc.
* @author XingMeng
* @email hnxsh@foxmail.com
* @date 2017年5月9日
* 数据库管理,只支持MySQL
*/
namespace app\admin\controller\system;
use core\basic\Controller;
use app\admin\model\system\DatabaseModel;
class DatabaseController extends Controller
{
private $model;
private $dbauth;
function __construct()
{
$this->model = new DatabaseModel();
$this->dbauth = $this->config('database');
}
// 数据库管理
public function index()
{
switch ($this->dbauth['type']) {
case 'mysqli':
case 'pdo_mysql':
$this->assign('db', 'mysql');
$this->assign('tables', $this->model->getList());
break;
case 'sqlite':
case 'pdo_sqlite':
$this->assign('db', 'sqlite');
break;
default:
error('当前配置的数据库类型不支持在线管理！');
}
$this->display('system/database.html');
}
// 数据库修改
public function mod()
{
if (! $_POST) {
alert_back('非法访问！', - 1);
}
$submit = post('submit', 'letter', true);
switch ($submit) {
case 'yh':
$tables = self::getTableList();
if (! $tables)
alert_back('请选择数据表！');
if ($this->model->optimize(implode(',', $tables))) {
// $this->log('优化数据库表成功！');
success('优化成功！', - 1);
} else {
// $this->log('优化数据库表失败！');
error('优化失败！', - 1);
}
break;
case 'xf':
$tables = self::getTableList();
if (! $tables)
alert_back('请选择数据表！');
if ($this->model->repair(implode(',', $tables))) {
// $this->log('修复数据库表成功！');
success('修复成功！', - 1);
} else {
// $this->log('修复数据库表失败！');
error('修复失败！', - 1);
}
break;
case 'bf':
$tables = self::getTableList();
if (! $tables)
alert_back('请选择数据表！');
if ($this->backupTable($tables)) {
$this->log('备份数据库表成功！');
success('备份表成功！', - 1);
} else {
$this->log('备份数据库表失败！');
error('备份失败！', - 1);
}
break;
case 'bfdb':
if ($this->backupDB()) {
$this->log('备份数据库成功！');
success('备份数据库成功！', - 1);
} else {
$this->log('备份数据库失败！');
error('备份失败！', - 1);
}
break;
case 'bfsqlite':
if (copy(DOC_PATH . $this->dbauth['dbname'], DOC_PATH . STATIC_DIR . '/backup/sql/' . get_uniqid() . '_' . date('YmdHis') . '.db')) {
$this->log('备份数据库成功！');
success('备份数据库成功！', - 1);
} else {
$this->log('备份数据库失败！');
error('备份失败！', - 1);
}
break;
}
}
// 备份数据表
public function backupTable($tables)
{
$backdir = date('YmdHis');
foreach ($tables as $table) {
$sql = '';
$sql .= $this->header(); // 备份文件头部说明
$sql .= $this->tableSql($table); // 表结构信息
$fields = $this->model->getFields($table); // 表字段
$field_num = $this->model->getFieldNum($table); // 字段数量
$all_data = $this->model->getAll($table); // 读取全部数据
$sql .= $this->dataSql($table, $fields, $field_num, $all_data); // 生成语句
$filename = $backdir . "/" . get_uniqid() . "_" . $backdir . "_" . $table . '.sql'; // 写入文件
$result = $this->writeFile($filename, $sql);
}
return $result;
}
// 备份整个数据库
public function backupDB()
{
$sql = '';
$sql .= $this->header(); // 备份文件头部说明
$sql .= $this->dbSql(); // 数据库创建语句
$tables = $this->model->getTables(); // 获取所有表
foreach ($tables as $table) { // 表结构及数据
$sql .= $this->tableSql($table); // 表结构信息
$fields = $this->model->getFields($table); // 表字段
$field_num = $this->model->getFieldNum($table); // 字段数量
$all_data = $this->model->getAll($table); // 读取全部数据
if ($all_data) {
$sql .= $this->dataSql($table, $fields, $field_num, $all_data); // 生成数据语句
}
$sql .= '-- --------------------------------------------------------' . PHP_EOL . PHP_EOL;
}
// 写入文件
$filename = get_uniqid() . '_' . date('YmdHis') . '_' . $this->dbauth['dbname'] . '.sql';
return $this->writeFile($filename, $sql);
}
// 插入数据库备份基础信息
private function header()
{
$sql = '-- Online Database Management SQL Dump' . PHP_EOL;
$sql .= '-- 数据库名: ' . $this->dbauth['dbname'] . PHP_EOL;
$sql .= '-- 生成日期: ' . date('Y-m-d H:i:s') . PHP_EOL;
$sql .= '-- PHP 版本: ' . phpversion() . PHP_EOL . PHP_EOL;
$sql .= 'SET SQL_MODE = "NO_AUTO_VALUE_ON_ZERO";' . PHP_EOL;
$sql .= 'SET time_zone = "+08:00";' . PHP_EOL;
$sql .= 'SET NAMES utf8;' . PHP_EOL . PHP_EOL;
$sql .= '-- --------------------------------------------------------' . PHP_EOL . PHP_EOL;
return $sql;
}
// 数据库创建语句
private function dbSql()
{
$sql = '';
$sql .= "--" . PHP_EOL;
$sql .= "-- 数据库名 `" . $this->dbauth['dbname'] . '`' . PHP_EOL;
$sql .= "--" . PHP_EOL . PHP_EOL;
// 如果数据库不存在则创建
$sql .= "CREATE DATABASE IF NOT EXISTS `" . $this->dbauth['dbname'] . '` DEFAULT CHARACTER SET utf8 COLLATE utf8_general_ci;' . PHP_EOL;
// 选择数据库
$sql .= "USE `" . $this->dbauth['dbname'] . "`;" . PHP_EOL . PHP_EOL;
$sql .= '-- --------------------------------------------------------' . PHP_EOL . PHP_EOL;
return $sql;
}
// 表结构语句
private function tableSql($table)
{
$sql = '';
$sql .= "--" . PHP_EOL;
$sql .= "-- 表的结构 `" . $table . '`' . PHP_EOL;
$sql .= "--" . PHP_EOL . PHP_EOL;
$sql .= $this->model->tableStru($table); // 表创建语句
return $sql;
}
// 数据语句
private function dataSql($table, $fields, $fieldNnum, $data)
{
if (! $data)
return;
$sql = '';
$sql .= "--" . PHP_EOL;
$sql .= "-- 转存表中的数据 `" . $table . "`" . PHP_EOL;
$sql .= "--" . PHP_EOL;
$sql .= PHP_EOL;
// 循环每个字段下面的内容
$sql .= "INSERT INTO `" . $table . "` (" . implode(',', $fields) . ") VALUES" . PHP_EOL;
$brackets = "(";
foreach ($data as $value) {
$sql .= $brackets;
$comma = "";
for ($i = 0; $i < $fieldNnum; $i ++) {
$sql .= ($comma . "'" . decode_string($value[$i]) . "'");
$comma = ",";
}
$sql .= ")";
$brackets = "," . PHP_EOL . "(";
}
$sql .= ';' . PHP_EOL . PHP_EOL;
return $sql;
}
// 写入文件
private function writeFile($filename, $content)
{
$sqlfile = DOC_PATH . STATIC_DIR . '/backup/sql/' . $filename;
check_file($sqlfile, true);
if (file_put_contents($sqlfile, $content)) {
return true;
}
}
// 获取并检查表名称
private function getTableList()
{
$list = post('list');
foreach ($list as $key => $value) {
if (! preg_match('/^[\w]+$/', $value)) {
unset($list[$key]);
}
}
return $list;
}
}