我有一个函数可以在一个变量中获取两个数组并像这样创建 json
function get_categories_n_subs_by_id($id){ ///this is category id;
header('Content-type: application/json');
$data['categories'] = $this->categories_model->get_categories_by_id($id);
$data['sub_categories'] = $this->sub_categories_model->get_sub_categories_by_cat_id($id);
echo json_encode($data);
}
这段代码运行良好,但是当我重新启动我的电脑时,json 没有响应。
之前的反应还好,是这样的
{
"categories":{
"fld_id":"106",
"fld_value":"some value",
"fld_price":"0.00",
"fld_attribute_id":"16",
"fld_parent_id":"0"
},
"sub_categories":[{
"fld_id":"107",
"fld_value":"some sub values",
"fld_price":"0.00",
"fld_attribute_id":"16",
"fld_parent_id":"106"
}]
}
但现在没有回应。这个函数的 json 调用是:
var url = base_url+"admin/categories_controller/get_categories_n_subs_by_id/"+id;
$.getJSON(url, {ajax:1}, function(data){
var id = data['categories']['fld_id'];
var name = data['categories']['fld_name'];
var description = data['categories']['fld_description'];
//var status = data['fld_status'];
$("#new_category #name").attr('value',name);
$("#new_category #description").html(description);
$("#new_category #category_id").attr('value',id);
var html="";
if(data['sub_categories'].length==0){
html = html + 'Sub Categories: <input type="text" id="sub_name[]" name="sub_name[]" maxlength="40" value=""/>'+
' Description: <textarea id="sub_description[]" name="sub_description[]"></textarea>'+
'<input type="hidden" id="sub_cat_id[]" name="sub_cat_id[]" value="">'+
' '+
'<a href="javascript:void(0);" class="add_attribute_values" onclick="add_sub_categories(this.name);" name="sub_cat_0">[+]</a> <br/>';
}
$.each(data['sub_categories'], function(index, array) {
var id = array['fld_id'];
var name = array['fld_name'];
var description = array['fld_description'];
html = html + 'Sub Categories: <input type="text" id="sub_name[]" name="sub_name[]" maxlength="40" value="'+name+'"/>'+
' Description: <textarea id="sub_description[]" name="sub_description[]">'+description+'</textarea>'+
'<input type="hidden" id="sub_cat_id[]" name="sub_cat_id[]" value="'+id+'">'+
' '+
'<a href="javascript:void(0);" class="add_attribute_values" onclick="add_sub_categories(this.name);" name="sub_cat_0">[+]</a> <br/>';
});
//alert(html);
$("#sub_cat_0").html(html)
});
在我重新启动我的电脑之前一切都是正确的,但在那之后,当我检查萤火虫时,json 没有响应。响应是空的...请帮我解决这个错误...