php - Ajax 请求检查在 AppController Cakephp 中不起作用

Question

AppController 中未检测到 ajax 请求。

我已经打印了 params 数组。这是示例。

CakeRequest Object(    [params] => Array        (            [plugin] =>             [controller] => permissions            [action] => api_auth            [named] => Array                (                )            [pass] => Array                (                )            [prefix] => api            [api] => 1            [ext] => json            [_Token] => Array                (                    [key] => 00f665112046ea0d5794b5f93b6a035f62a59ada                    [unlockedFields] => Array                        (                        )                )            [isAjax] =>         )    [data] => Array        (        )    [query] => Array        (        )    [url] => api/permissions/auth.json    [base] =>     [webroot] => /    [here] => /api/permissions/auth.json    [_detectors:protected] => Array        (            [get] => Array                (                    [env] => REQUEST_METHOD                    [value] => GET                )            [post] => Array                (                    [env] => REQUEST_METHOD                    [value] => POST                )            [put] => Array                (                    [env] => REQUEST_METHOD                    [value] => PUT                )            [delete] => Array                (                    [env] => REQUEST_METHOD                    [value] => DELETE                )            [head] => Array                (                    [env] => REQUEST_METHOD                    [value] => HEAD                )            [options] => Array                (                    [env] => REQUEST_METHOD                    [value] => OPTIONS                )            [ssl] => Array                (                    [env] => HTTPS                    [value] => 1                )            [ajax] => Array                (                    [env] => HTTP_X_REQUESTED_WITH                    [value] => XMLHttpRequest                )            [flash] => Array                (                    [env] => HTTP_USER_AGENT                    [pattern] => /^(Shockwave|Adobe) Flash/                )            [mobile] => Array                (                    [env] => HTTP_USER_AGENT                    [options] => Array                        (                            [0] => Android                            [1] => AvantGo                            [2] => BlackBerry                            [3] => DoCoMo                            [4] => Fennec                            [5] => iPod                            [6] => iPhone                            [7] => iPad                            [8] => J2ME                            [9] => MIDP                            [10] => NetFront                            [11] => Nokia                            [12] => Opera Mini                            [13] => Opera Mobi                            [14] => PalmOS                            [15] => PalmSource                            [16] => portalmmm                            [17] => Plucker                            [18] => ReqwirelessWeb                            [19] => SonyEricsson                            [20] => Symbian                            [21] => UP\.Browser                            [22] => webOS                            [23] => Windows CE                            [24] => Windows Phone OS                            [25] => Xiino                        )                )            [requested] => Array                (                    [param] => requested                    [value] => 1                )        )    [_input:protected] => )

This is how I have checked the ajax request..

if($this->request->is('ajax')){
      //ajax request
} else {
     // not ajax request.
}

但我总是得到错误的结果，即不是 ajax 请求。

我使用的是cakephp 2.3版本。

这里是ajax请求代码的代码示例。

$.ajax({
        url: backendAPI +'/students/profile.json',
        type: 'POST',                     
        data: this.studentdata,
        dataType: 'json',
        context: this
      })
      .done(function(response, textStatus, XMLHttpRequest) {
               if( response.students.status == 'success' ) {
                  self.model.fetch();
                  mStitute.moduleTRANS['LeftSideBarStudent'].fetch();
               } else {
                   if( response.students.message_type == 'single' ) {
                       Core.showAlert(response.students.message.toString(), 'show', response.students.status);
                       Core.hideAlert(10000);
                   } else {
                       var message = "";
                       $.each(response.students.message, function(i, v){
                             message = message + '<br/>' +  v;
                       });
                       Core.showAlert(message, 'show', response.students.status);
                       Core.hideAlert(10000);
                   }
              }
        });

Answer 1

在您的ajax请求(jquery脚本)中，您添加了上下文:this。

您能否尝试删除此内容，然后检查后端的 ajax。