将javascript中的JSON字段提取到变量

我正在尝试使用ajax向Django推送和发布信息。在我的模型中，我只使用三个字段：id、parent和text

当我试图将信息发回Django时，我出现了一个错误，因为JSON文件有额外的字段，其中包含我在模型中没有的信息

我希望能够从JSON数据中只收集字段id、父字段和文本，这样我就可以成功地将其发回Django

这是我目前的代码：

    $('#jstree_demo').jstree({
            "core" : {
                "animation" : 0,
                "check_callback" : true,
                "themes" : { "stripes" : true },
                'data' : {
                  "url" : "/snippets/",
                  "success": function(data){
                     series = data;
            },
                  "dataType" : "json" // needed only if you do not supply JSON headers
                }
            },

            "plugins" : [ "contextmenu", "dnd", "search", "state", "types", "wholerow" ]
        });
});


function get_tree(){

    var v = $('#jstree_demo').jstree(true).get_json('#', {flat:true})
    var mytext = JSON.stringify(v);

    $.ajax({
      url:/snippets/,
      type:"POST",
      data:mytext,
      contentType:"application/json; charset=utf-8",
      dataType:"json",

    })

}


function demo_create() {
    var ref = $('#jstree_demo').jstree(true),
        sel = ref.get_selected();
    if(!sel.length) { return false; }
    sel = sel[0];
    sel = ref.create_node(sel, {"type":"default"});
    if(sel) {
        ref.edit(sel);
    }

    get_tree();
};
function demo_rename() {
    var ref = $('#jstree_demo').jstree(true),
        sel = ref.get_selected();
    if(!sel.length) { return false; }
    sel = sel[0];
    ref.edit(sel);

    get_tree();
};
function demo_delete() {
    var ref = $('#jstree_demo').jstree(true),
        sel = ref.get_selected();
    if(!sel.length) { return false; }
    ref.delete_node(sel);

    get_tree();
};

下面是我从变量“mytext”得到的JSON示例

---

我正试图与jsTree协作完成这项工作。非常感谢您的帮助。

使用

var mytext=JSON.parse（v）而不是字符串化

它将返回Json数组对象。现在，您可以使用每个临时变量从数组中获取id、父对象和文本

现在字符串化这个新变量并传递数据

希望这将帮助您解决问题。
那么您得到Django错误了吗？您能否在Django端发布处理请求的方式以及此错误的来源。我在控制台中遇到一个错误，因为我没有指定JSON试图在模型中传递给Django的所有字段，但我只需要某些字段，因此出现了此错误。我的问题与我如何只获取这些字段有关，这样我就不会得到错误。很抱歉更新太晚，我将尝试这个-谢谢
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