【zTree】zTree根据后台数据生成树并动态设置前面的节点复选框的选中状态

<ul id="treeDemo10" class="ztree" style="display: none;"></ul>

// 查询外部部门结构
var searchUnitTree = function() {
    $.ajax({
        url : contextPath + '/exam_getUnitTree.action',
        async : true,
        dataType : 'json',
        success : function(response) {
            zNodes11 = response.unitTrees;
            // 生成树结构
            geneUnitTree(zNodes11);

        },
        error : function() {
            alert("查询外部部门树失败！！！")
        }
    });
}

// 生成外部部门树
function geneUnitTree(unitTrees) {
    $("#treeDemo10").html(""); // 清空树结构
    var setting = {
        view : {
            selectedMulti : false
        },
        check : {
            enable : true
        },
        data : {
            simpleData : {
                enable : true,
                idKey : "unitId",
                pIdKey : "upUnitId",
                rootPId : null
            },
            key : {
                name : "name",
            }
        },
        callback : {
            beforeCheck : beforeCheck_out,
            onClick : zTreeOnClick_out
        }
    };
    var treeNodes11 = unitTrees;
    $.fn.zTree.init($("#treeDemo10"), setting, treeNodes11);
}
// 鼠标点击树事件(打印点击的id与名字)
function zTreeOnClick_out(event, treeId, treeNode) {
    // alert(treeNode.unitId + ", " + treeNode.name);
    alert($("#el_chooseDepart1").text());

}
// 点击前面的复选框事件
function beforeCheck_out(treeId, treeNode) {
    className10 = (className10 === "dark" ? "" : "dark");
    el_id = treeNode.name;
    // 判断点击的节点是否被选中，返回false 和 true
    if (!treeNode.checked) {// 选中
        showLog10_out(treeNode.name + ',');// 加上逗号加以区分
        $("#department_employee_out")
                .append(
                        // 添加部门到下面的选择员工
                        '<div class="panel panel-default el_departPersons" id="'
                                + treeNode.name
                                + '">'
                                + '<div class="panel-heading"><span class="el_addDepart" >'
                                + treeNode.name
                                + '</span>&nbsp;&nbsp;'
                                + '(人数：<span class="employeeNum">0</span>)</div>'
                                + '<div class="panel-body"></div>' + '</div>');
    } else { // 点击选中，向让其未选中
        noshowLog10_out(treeNode.name + ',', treeNode);
        $("#" + treeNode.name).remove();// 反选复选框删除部门
        var parentzTree = treeNode.getParentNode();
    }
    return (treeNode.doCheck !== false);
}
function showLog10_out(str) {
    if (!el_chooseDepart1)
        el_chooseDepart1 = $("#el_chooseDepart1");
    el_chooseDepart1.append("<li class='" + className10 + "' id='" + el_id
            + "'>" + str + "</li>");

    if (el_chooseDepart1.children("li").length > 6) {
        el_chooseDepart1.get(0).removeChild(el_chooseDepart1.children("li")[0]);
    }
}

function noshowLog10_out(str, tNode) {
    if (!el_chooseDepart1)
        el_chooseDepart1 = $("#el_chooseDepart1");
    // 删除当前选中的树的名字
    el_chooseDepart1.children("#" + el_id).remove();
    // 删除当前子的树的名字
    if (tNode.isParent) {
        var childrenNodes = tNode.children;
        if (childrenNodes) {
            for (var i = 0; i < childrenNodes.length; i++) {
                alert();
                var el_id0 = childrenNodes.name;
                el_chooseDepart1.children("#" + el_id0).remove();

                // result += ',' + childrenNodes[i].id;
                // result = getChildNodes(childrenNodes[i], result);
            }
        }
    }

}

{"unitTrees":[{"name":"部门1","unitId":"1"},{"upUnitId":"1","name":"部门10001","unitId":"10001"},{"upUnitId"
:"10001","name":"部门100010001","unitId":"100010001"},{"upUnitId":"1","name":"部门10002","unitId":"10002"
},{"upUnitId":"10002","name":"部门100020001","unitId":"100020001"},{"upUnitId":"1","name":"部门10003","unitId"
:"10003"}]}

　　// 获取树对象
    var treeObj = $.fn.zTree.getZTreeObj("treeDemo10");
    /** 获取所有树节点 */
    var nodes = treeObj.transformToArray(treeObj.getNodes());
        // 遍历树节点设置树节点为选中
        for (var k = 0, length_3 = nodes.length; k < length_3; k++) {
            if (unitName[j] == nodes[k].name) {
                nodes[k].checked = true;
　　　　　　　　　　treeObj.updateNode(nodes[k],true);
            }
        }

    // 获取树对象
    var treeObj = $.fn.zTree.getZTreeObj("treeDemo");
    /** 获取所有树节点 */
    var nodes = treeObj.transformToArray(treeObj.getNodes());
    // 遍历树节点设置树节点为未选中
    for (var k = 0, length_3 = nodes.length; k < length_3; k++) {
        nodes[k].checked = false;
        treeObj.updateNode(nodes[k],true);
    }