var data=[{
            "code":"XSO00008",
            "name":"LAZBOY经营部",
            "sonList":[
                {
                    "code":"XSO00072",
                    "name":"华中中心",
                    "sonList":[
                        {
                            "code":"XSO00185",
                            "name":"华中一区",
                            "sonList":[
                                {
                                    "code":"XSO00608",
                                    "name":"江苏一区",
                                    "sonList":[]
                                },
                                {
                                    "code":"XSO00480",
                                    "name":"河南一区",
                                    "sonList":[]
                                }]
                                                }]
                                }]
                },{
             "code":"XSO00008",
            "name":"LAZBOY经营部",
            "sonList":[
                {
                    "code":"XSO00072",
                    "name":"华中中心",
                    "sonList":[
                        {
                            "code":"XSO00185",
                            "name":"华中一区",
                            "sonList":[
                                {
                                    "code":"XSO00608",
                                    "name":"江苏一区",
                                    "sonList":[]
                                },
                                {
                                    "code":"XSO00480",
                                    "name":"河南一区",
                                    "sonList":[]
                                }]
                                                }]
                                }]
                }]
var list1=[],list2=[],list3=[],list4=[];
for(var o of data){
    list1.push({code:o.code,name:o.name});
    for(var p of o.sonList){
        list2.push({code:p.code,name:p.name});
        for(var q of p.sonList){
            list3.push({code:q.code,name:q.name});
            for(var r of q.sonList){
                list4.push({code:r.code,name:r.name});          
            }
        }
    }
}
console.log(list1);
console.log(list2);
console.log(list3);
console.log(list4);