$message_bool = true;
} else {
$message = '无法还原系统，可能是该备份文件损坏了！';
$message_bool = false;
}
//开启平台
$oaconfig->save('WEB_ON', '1');
}
/**
* 删除备份
* @since 1
*/
if (isset($_GET['del']) == true) {
$backup_filename = $backup_dir . DS . (int) substr($_GET['del'], 0, -4) . '.zip';
if (corefile::is_file($backup_filename) == true) {
if (corefile::delete_file($backup_filename) == true) {
$message = '删除成功！';
$message_bool = true;
}
}
if (!$message) {
$message = '无法删除该备份文件！';
$message_bool = false;
}
}
/**
* 获取备份文件列表
* @since 1
*/
$table_list = corefile::list_dir($backup_dir, '*.zip');
/**
$message_bool = false;
}
}
/**
* 删除文件
* @since 1
*/
if (isset($_GET['del']) == true) {
$del_view = $oapost->view($_GET['del']);
if ($del_view) {
$del_view_list = $oapost->view_list_row(null, null, null, null, $post_type, $del_view['post_parent']);
if ($del_view_list < 2) {
$del_parent = $oapost->view($del_view['post_parent']);
if ($del_parent) {
if ($oapost->del($del_parent['id']) == true) {
if (!corefile::delete_file($del_parent['post_url'])) {
$message = '无法删除该文件。';
$message_bool = false;
}
} else {
$message = '无法删除该文件。';
$message_bool = false;
}
}
}
//删除引用ID
if ($oapost->del($_GET['del']) == true && $message == '') {
$message = '删除成功。';
$message_bool = true;
} else {
$message = '无法删除该文件。';
/**
* 生成新的备份文件
* @since 2
* @param coredb $db 数据库操作句柄
* @param string $backup_dir 备份到目录
* @param string $content_dir 文件数据目录
* @return string 备份文件路径
*/
function plugbackup(&$db, $backup_dir, $content_dir)
{
$return = '';
$bool = false;
$file_type = 'zip';
$ls_dir = $backup_dir . DS . substr(sha1(rand(1, 99999)), 0, 8);
if (!corefile::is_dir($ls_dir)) {
$ls_sql_dir = $ls_dir . DS . 'sql';
//创建临时目录
$bool = corefile::new_dir($ls_dir);
//创建临时SQL目录
if ($bool == true) {
$bool = corefile::new_dir($ls_sql_dir);
}
//拷贝文件数据
if ($bool == true) {
$bool = corefile::copy_dir($content_dir . DS . 'files', $ls_dir . DS . 'content' . DS . 'files');
}
if ($bool == true) {
$bool = corefile::copy_dir($content_dir . DS . 'logs', $ls_dir . DS . 'content' . DS . 'logs');
}
//依次遍历所有数据并拷贝到文件内
foreach ($db->tables as $k => $v) {
//创建表目录
$v_table_dir = $ls_sql_dir . DS . $v;
if ($bool == true) {
$bool = corefile::new_dir($v_table_dir);
} else {
break;
}
//计算表内所有字段数据平均长度，得出最终步长
$max = 50;
if ($bool == true) {
$sql = 'SELECT AVG( LENGTH(`' . implode('`))+AVG(LENGTH(`', $db->fields[$k]) . '`)) as al FROM `' . $v . '`';
$sth = $db->prepare($sql);
if ($sth->execute() == true) {
$res = (int) $sth->fetchColumn();
if ($res > 500) {
$max = 20;
} elseif ($res > 1000) {
$max = 10;
} elseif ($res > 5000) {
$max = 1;
}
} else {
$bool = false;
break;
}
} else {
break;
}
//遍历数据写入文件
$p = 0;
$p_bool = true;
while ($p_bool) {
$sql = 'SELECT * FROM `' . $v . '` ORDER BY ' . $db->fields[$k][0] . ' ASC LIMIT ' . $p * $max . ',' . $max;
$sth = $db->prepare($sql);
if ($sth->execute() == true) {
$res = $sth->fetchAll(PDO::FETCH_ASSOC);
if ($res) {
$file_content = 'INSERT INTO `' . $v . '`(`' . implode('`,`', array_keys($res[0])) . '`) VALUES';
foreach ($res as $v_res) {
$file_content .= '(';
foreach ($v_res as $v_res_v) {
if ($v_res_v == null) {
$file_content .= 'NULL,';
} elseif (is_int($v_res_v) == true) {
$file_content .= $v_res_v . ',';
} else {
$file_content .= '\'' . $v_res_v . '\',';
}
}
$file_content = substr($file_content, 0, -1);
$file_content .= '),';
}
$file_content = substr($file_content, 0, -1) . ';';
$file_table_row = $v_table_dir . DS . $v . '_' . $p . '.sql';
$p_bool = corefile::edit_file($file_table_row, $file_content);
$bool = $p_bool;
$file_content = null;
} else {
$p_bool = false;
$bool = true;
}
} else {
$p_bool = false;
$bool = false;
}
$p += 1;
}
}
}
//将临时文件压缩为压缩包
$backup_file = $backup_dir . DS . time() . '.' . $file_type;
if (corefile::is_file($backup_file)) {
$bool = corefile::delete_file($backup_file);
}
if ($bool == true) {
$bool = corefile::create_zip($backup_file, $ls_dir);
}
if ($bool == true) {
$return = $backup_file;
} else {
//失败删除所有临时文件
corefile::delete_file($backup_file);
}
//删除临时文件
corefile::delete_dir($ls_dir);
return $return;
}