我是 cake php 3.4 的新手,我正在尝试使用 ajax 请求和数据表构建一个示例,这是我的控制器:
public function getdata(){
if ($this->request->is('ajax')) {
$cc = array(
array('nome'=>'parvez', 'cognome'=>'AA', 'email'=>'101'),
array('nome'=>'alam', 'cognome'=>'1BB', 'email'=>'102'),
array('nome'=>'phpflow', 'cognome'=>'CC', 'email'=>'103') );
$x = array(
"draw" => 1,
"recordsTotal" => count($cc),
"recordsFiltered" => count($cc),
"data" => $cc
);
echo json_encode($x);
} }
然后,这里是 che js 代码
<script type="text/javascript">
function myfunc(){
$('#example').DataTable( {
'processing': true,
'serverSide': true,
'ajax':{
type: 'POST',
url: "<?php echo Cake\Routing\Router::url(
array(
'controller'=>'posts',
'action'=>'getdata',
'_ext'=>'json',
'_full' => true //for full url path
));?>",
success:function(msg){
console.log(msg);
},
error: function(e) {
alert("An error occurred: ");
console.log(e);
}
}
} );
}
该操作已正确发送,但我总是收到一条消息错误,其中,在 google chrome 开发工具中,我看到数据后附加了一个“null”:
{"draw":1,"recordsTotal":3,"recordsFiltered":3,"data":[{"nome":"parvez","cognome":"AA","email":"101"},{"nome":"alam","cognome":"1BB","email":"102"},{"nome":"phpflow","cognome":"CC","email":"103"}]}null
我试图不对动作响应进行 json_encode 编码,在 chrome 中我在数据数组之后看到了这些东西:
App\Controller\PostsController::getdata() - APP/Controller\PostsController.php,第 147 行 Cake\Controller\Controller::invokeAction() - CORE\src\Controller\Controller.php,第 440 行 Cake\Http\ActionDispatcher: :_invoke() - CORE\src\Http\ActionDispatcher.php,第 119 行 Cake\Http\ActionDispatcher::dispatch() - CORE\src\Http\ActionDispatcher.php,第 93 行 Cake\Routing\Dispatcher::dispatch() - CORE\src\Routing\Dispatcher.php,第 60 行 [main] - ROOT\webroot\index.php,第 37 行Arraynull
所以,问题出在 index.php 页面,但是为什么它返回一个空数组呢?谢谢