动态生成树 在数据库里配置数据，在前端显示树 jquery-ztree

[ { name:"手机", open:false, checked:true, nodes: [ { name:"诺基亚", isParent:true}, { name:"三星"}, { name:"索爱"}, { name:"多普达"} ]}, { name:"电脑", open:true, checked:true, nodes: [ { name:"硬件", checked:true}, { name:"整机", isParent:true, checked:true}, { name:"网络", checked:true} ]}, { name:"家电", open:false, nodes: [ { name:"电视", checked:true}, { name:"冰箱"}, { name:"空调", isParent:true} ]} ]