CakePHP:如何检测html事件(如onChange)并调用特定的控制器

<select id="mySelect" onchange="myFunction()">
  <option value="1">Option 1</option>
  <option value="2">Option 2</option>
</select>

function myFunction() {
  var selectedValue = $("#mySelect").val();
  
  $.ajax({
    url: "/controller/action",
    method: "POST",
    data: { value: selectedValue },
    success: function(response) {
      // 处理服务器返回的响应数据
    },
    error: function() {
      // 处理请求错误
    }
  });
}

public function action() {
  $selectedValue = $this->request->getData('value');
  
  // 执行特定的业务逻辑
  
  $responseData = array(/* 响应数据 */);
  
  $this->response->withType('application/json');
  $this->response->getBody()->write(json_encode($responseData));
  
  return $this->response;
}