jstree选择节点 | jstree选择节点

本文介绍了jstree选择节点的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！

问题描述

问候，我正在使用jsTree生成我的分层数据. JsTree生成如下:

Greetings,I am using jsTree to generatate my hierarchical data. JsTree is generated as follows:

$(function() {
$("#industries").tree({
        data: {
            type: "json",
            opts: {
                url: "/Admin/GetIndustries/"
            }
        }
    });
});

它可以找到并且jsonresult类似于:

it works find and the jsonresult is something like:

[{"attributes":[],"data":{"title":"Adwokaci, Notariusze","id":"1a051101-c3fa-48f2-b2e1-c60d1b67ea22"},"children":[{"attributes":[],"data":{"title":"Kancelarie adwokackie","id":"26d6cff1-3c7f-4a2f-bf5a-422e08127b43"

我的问题是:如何在某些隐藏字段中保存所选节点的ID?我做这样的事情:

my question is: how can I save id of selected node in some hidden field? I do something like this:

<script type="text/javascript">
    $("#industries").click(function() {
        var tree = $.tree.reference("industries");
        var t = $.tree.focused(); if (t.selected) t.selected; else alert("Select a node first");
        alert(t.id);

    });

但是它不起作用.我进入警报窗口未定义".有人可以帮帮我吗?

but it does not work. I get in my alert window "undefined". Can someone please help me?

我将jstree实例更改如下:

I've changed the jstree instance as follows:

$(function() {
$("#industries").tree({
        callback: {
            onselect: function(NODE, TREE_OBJ) {
                    alert(NODE.id);
                }
            },
        data: {
            type: "json",
            opts: {
                url: "/Admin/GetIndustries/"
            }
        }
    });
});

我收到空警报

推荐答案

或仅绑定选择节点:

$("#industries").tree({
        callback: {
            onselect: function(NODE, TREE_OBJ) {
                    alert(NODE.id);
                }
            },
        data: {
            type: "json",
            opts: {
                url: "/Admin/GetIndustries/"
            }
        }
    })
.bind("select_node.jstree", function (NODE, REF_NODE) {
            var a = $.jstree._focused().get_selected();
        }
    });

尝试查看ID或NODE的变量a.我实际上是在使用REF_NODE来获取

Try looking at the variable a for the ID, or NODE. I was actually using REF_NODE to get

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