Study JQuery《zTree自动点击第一个节点》

zTree为JQuery的插件。

        var setting = {
            view: {
                dblClickExpand: true,//双击展开
                showLayer: false,
                selectedMulti: false,//是否允许多选
                showIcon: showIconForTree//显示节点小图标
            },
            data: {
                simpleData: {
                    enable: true,
                    idKey: "id",
                    pIdKey: "pId",
                    rootPId: "0"
                }
            },
            callback: {
                beforeClick: beforeClick,
                onClick: onClick
            }
        };
        //加载当前项目的树形结构信息列表
        function loadStructureInfoTreeJson(projectId) {
            $.ajax({
                type: "POST",
                dataType: "json",
                url: "../Tools/StructureModel.ashx",
                data: { act: "LoadModelTreeByProjectid",
                    pid: projectId
                },
                success: function (data) {
                    if (data.length == 0) {
                    } else {
                        $.fn.zTree.init($("#tree"), setting, data);
                        var zTree = $.fn.zTree.getZTreeObj("tree");//获取ztree对象
                        var node = zTree.getNodeByParam('id', 1);//获取id为1的点
                        zTree.selectNode(node);//选择点
                        zTree.setting.callback.onClick(null, zTree.setting.treeId, node);//调用事件
                    }
                },
                error: function () {
                    alert("载入树形结构出现问题！");
                }
            });
        }

        function showIconForTree(treeId, treeNode) {
            return treeNode.isParent;//如果是父节点就显示小图标
        };

注：本文转载http://blog.csdn.net/a15937822658/article/details/17759995

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