jQuery 处理 json遍历在页面中显示，并且拼接html。
1 <title>json多维数组遍历渲染</title>
2
3 <body>
4 <div class="box">
5
6 </div>
7 </body>
8
9 <script type="text/javascript" src="https://code.jquery.com/jquery-3.0.0.min.js"></script>
10 <script>
11 var manyArr = [{
12 "id": 1,
13 "onitem2vel": "一级目录1",
14 "twoArr": [{
15 "id": 1,
16 "title": "二级目录1-1",
17 "threeArr": [{
18 "content": "三级目录1-1-1",
19 "url": "http://www.baidu.com"
20 }, {
21 "content": "三级目录1-1-2",
22 "url": "http://www.baidu.com"
23 }, {
24 "content": "三级目录1-1-3",
25 "url": "http://www.baidu.com"
26 }]
27 }, {
28 "id": 2,
29 "title": "二级目录1-2",
30 "threeArr": [{
31 "content": "三级目录1-2-1",
32 "url": "http://www.baidu.com"
33 }, {
34 "content": "三级目录1-2-2",
35 "url": "http://www.baidu.com"
36 }, {
37 "content": "三级目录1-2-3",
38 "url": "http://www.baidu.com"
39 }]
40 }]
41 }, {
42 "id": 2,
43 "onitem2vel": "一级目录2",
44 "twoArr": [{
45 "id": 1,
46 "title": "二级目录2-1",
47 "threeArr": [{
48 "content": "三级目录2-1-1",
49 "url": "http://www.baidu.com"
50 }, {
51 "content": "三级目录2-1-2",
52 "url": "http://www.baidu.com"
53 }, {
54 "content": "三级目录2-1-3",
55 "url": "http://www.baidu.com"
56 }]
57 }, {
58 "id": 2,
59 "title": "二级目录2-2",
60 "threeArr": [{
61 "content": "三级目录2-2-1",
62 "url": "http://www.baidu.com"
63 }, {
64 "content": "三级目录2-2-2",
65 "url": "http://www.baidu.com"
66 }, {
67 "content": "三级目录2-2-3",
68 "url": "http://www.baidu.com"
69 }]
70 }]
71 }];
72
73 $(function() {
74 var htmls = '';
75 $.each(manyArr, function(i, item1) {
76 htmls += '<div class="carea">' +
77 '<h2>' + item1.onitem2vel + '</h2>' +
78 '<ul class="carea-list">';
79
80 $.each(item1.twoArr, function(j, item2) {
81 htmls += '<li>' +
82 '<a href="javascript:;">' + item2.title + '</a>' +
83 '<ul class="carea-list-there">';
84
85 $.each(item2.threeArr, function(k, item3) {
86 htmls += '<li>' +
87 '<a href="' + item3.url + '">' + item3.content + '</a>' +
88 '</li>';
89 })
90 htmls += '</ul></li>';
91 });
92 htmls += '</ul></div>';
93 });
94 $(htmls).appendTo($(".box"));
95 });
96 </script>
97
效果如下：
