\think
class Request
param()
~~~
/**
* 獲取獲取當前請求的參數
* @access public
* @param string|array $name 變量名
* @param mixed $default 默認值
* @param string|array $filter 過濾方法
* @return mixed
*/
public function param($name = '', $default = null, $filter = '')
{
if (empty($this->param)) {
$method = $this->method(true);
// 自動獲取請求變量
switch ($method) {
case 'POST':
$vars = $this->post(false);
break;
case 'PUT':
case 'DELETE':
case 'PATCH':
$vars = $this->put(false);
break;
default:
$vars = [];
}
// 當前請求參數和URL地址中的參數合并
$this->param = array_merge($this->get(false), $vars, $this->route(false));
}
if (true === $name) {
// 獲取包含文件上傳信息的數組
$file = $this->file();
$data = is_array($file) ? array_merge($this->param, $file) : $this->param;
return $this->input($data, '', $default, $filter);
}
~~~
return $this->input($this->param, $name, $default, $filter);
}
