json資料格式：一個多層json，對應的遍歷取內部的值。

程式碼是通過ajax返回json資料後的內部jquery拼接。

 1 {
 2 "data": [
 3 {
 4 "id": "9",
 5 "name": "工具",
 6 "O2OSmallCategroy": [
 7 {
 8 "id": "2030",
 9 "name": "錘/銼/鋸/刀/尺",
10 "SmallIndustry": [
11 {
12 "id": "44182",
13 "name": "綜合套裝"
14 },
15 {
16 "id": "44184",
17 "name": "電訊工具套裝"
18 }
19
 
 
20 ]
21 }
22 ]
23 }
24 ]
25 }

 1 var strData = '';
 2 var data = json.data;
 3 $.each(data, function (index, item) {
 4 strData += '<li class=\"ztree_one\"><div><span class=\"root_colse root_open\"></span><a href=\"javascript:;\">' + item["name"] + '</a></div>
 
';
 5 if (item["O2OSmallCategroy"].length != 0) {
 6 strData += '<ul>';
 7 $.each(item["O2OSmallCategroy"], function (i, i_item) {
 8 strData += '<li class=\"ztree_two\"><div><span class=\"root_colse root_open\"></span><a href=\"javascript:;\">' + i_item["name"] + '
 
<i class=\"tree_del\" data-txt=\"2_' + i_item["id"] + '\"></i></a></div>';
 9 $.each(i_item["SmallIndustry"], function (j, j_item) {
10 strData += '<ul><li><span class=\"tree_docu\"></span><a href=\"javascript:;\">' + j_item["name"] + '<i class=\"tree_del\" data-txt=\"3_' + j_item["id"] + '\"></i></a></li></ul>';
11 });
12 strData += '</li>';
13 });
14 strData += '</ul>';
15 } 
16 });