function save($data)
{
//如果缓存目录不存在则创建
if (!$this->is_exist(false)) {
file::folder($this->save_dir);
}
if ($this->ext == 'php') {
$data = '<?php' . PHP_EOL . 'return ' . var_export($data, true) . ';';
}
if ($this->ext == 'js') {
$data = json_encode($data);
}
if ($this->ext == 'ini') {
$data = help::array_ini($data);
}
if ($this->ext == 'xml') {
$data = '<?xml version="1.0" encoding="utf-8"?><data>' . help::data_xml($data) . '</data>';
}
if (is_array($data) && $this->ext == 'txt') {
$data = serialize($data);
}
return file_write($this->file_name, $data);
}