hn_cloud_web/public/login/js/companyTree.js

bindTreeSelector({
    inputTextId: "orgName",
    inputValueId: "orgId",
    panelId: "orgContent",
    treeId: "orgTree",
    ajaxUrl: request_url + "/realname/publicLogin/getDeptTree",
    extraSet: function (node) {
        $("#companyId").val(node.companyId || "");
        loadCompanyInfo(node.id, node.companyId);
    }
});