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我正在为我的网站使用 codeigniter rest ful api 服务并使用 json 响应。我们用 ajax 实现了它。该代码在 localhost 中完美运行，但无法在线运行。它显示 200 响应但 json 数据未在 ajax 中解析以下是代码

$(document).ready(function() {
    $.ajax({
        url: "<?php echo base_url();?>news/news.json",
        type: "POST",
        data: "",
        success: function(data, textStatus, jqXHR) {
            var news_title, news_id, new_image;
            var json = $.parseJSON(JSON.stringify(data));
            var str2;
            $.each(json, function(idx, obj) {
                news_title = obj.news_title_en;
                news_id = obj.news_id;
                new_image = obj.news_image_en;
                str2 = "";
                str2 += '<a href="<?php echo base_url();?>news_detail/' + news_id + '">';
                if (new_image != '') {
                    str2 += '<img src="<?php echo base_url();?>admin/uploads/news/small/' + new_image + '" alt="' + news_title + '" /><span style="width:187px;font-size:13px;">' + news_title.substring(0, 22) + '</span>';
                } else {
                    str2 += '<img src="<?php echo base_url();?>images/no-image.jpg" alt="' + news_title + '" /><span style="width:187px;font-size:13px;">' + news_title.substring(0, 22) + '</span>';
                }
                str2 += '</a>';
                $('#news').append(str2);
            });
        },
        error: function(jqXHR, textStatus, errorThrown) {
            $('#news').append('No News to display');
        }
    });
    $.ajax({
        url: "<?php echo base_url();?>events/events.json",
        type: "POST",
        data: "",
        success: function(data, textStatus, jqXHR) {
            var events_id, events_title_en, events_image_en;
            var json = $.parseJSON(JSON.stringify(data));
            var str3;
            $.each(json, function(idx, obj) {
                events_title = obj.events_title_en;
                events_id = obj.events_id;
                events_image = obj.events_image_en;
                str3 = "";
                str3 = '<a href="<?php echo base_url();?>events_detail/' + events_id + '">';
                if (obj.events_image_en != '') {
                    str3 += '<img src="<?php echo base_url();?>admin/uploads/events/small/' + events_image + '" alt="' + events_title + '" /><span  style="width:187px;">' + events_title.substring(0, 22) + '</span>';
                } else {
                    str3 += '<img src="<?php echo base_url();?>images/no-image.jpg" alt="' + events_title + '" /><span style="width:187px;">' + events_title.substring(0, 22) + '</span>';
                }
                str3 += '';
                $('#events').append(str3);
            });
        },
        error: function(jqXHR, textStatus, errorThrown) {
            $('#events').append('No Events to display');
        }
    });
});

对于第一部分新闻，它在在线和本地都运行良好。请让我知道是什么问题

以下是我的控制器代码

 public function events_post($id="")

    $data=array();  
    $post=$this->input->post();                
    $id=$post['id'];
    $session_data = $this->session->all_userdata();         
    $this -> load -> model('events_model', 'Events');   
    $data=$this->Events->getEvents($id);                

    $this->response($data);



public function events_detail_get($id="")

    $data=array();
    $session_data = $this->session->all_userdata(); 
    $data['page_name']='events';
    $this->load->view($this->site_lang.'/layouts/header-'.$this->site_lang.'.php',$data);       
    $this->load->view($this->site_lang.'/events-detail-'.$this->site_lang.'.php',$data);        
$this->load->view($this->site_lang.'/layouts/footer-'.$this->site_lang.'.php',$data);
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