jquery实现页面加载效果

662 阅读 0 评论 437 点赞

我是靠谱客的博主迷你哈密瓜，这篇文章主要介绍jquery实现页面加载效果，现在分享给大家，希望可以做个参考。

1、说明

Jquery页面加载可实现异步请求时提示“请稍后，正在加载...”效果，同步请求不可用（即ajax async: false）。

2、代码

复制代码

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
 <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
 <title>jquery页面加载特效</title>
 <style type="text/css">
 *
 {
  margin: 0;
  padding: 0;
  list-style-type: none;
 }
 a, img
 {
  border: 0;
 }
 .loading
 {
  margin: 100px auto 0 auto;
  width: 400px;
  text-align: center;
  font-size: 18px;
 }
 .loading .action
 {
  text-decoration: none;
  font-family: "微软雅黑" , "宋体";
 }
 .cover
 {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 998;
  width: 100%;
  height: 100%;
  _padding: 0 20px 0 0;
  background: #f6f4f5;
  display: none;
 }
 .showLoad
 {
  position: fixed;
  top: 0;
  left: 50%;
  z-index: 9999;
  opacity: 0;
  filter: alpha(opacity=0);
  margin-left: -80px;
 }
 *html, *html body
 {
  background-image: url(about:blank);
  background-attachment: fixed;
 }
 *html .showLoad, *html .cover
 {
  position: absolute;
  top: expression(eval(document.documentElement.scrollTop));
 }
 #ajaxLoad
 {
  border: 1px solid #8CBEDA;
  font-size: 12px;
  font-weight: bold;
 }
 #ajaxLoad div.loadAll
 {
  width: 180px;
  height: 50px;
  line-height: 50px;
  border: 2px solid #D6E7F2;
  background: #fff;
 }
 #ajaxLoad img
 {
  margin: 10px 15px;
  float: left;
  display: inline;
 }
 </style>
 <script type="text/javascript" src="js/jquery.min.js"></script>
 <script type="text/javascript">
 $(function () {
  var hei = $(document).height();
  $(".cover").css({ "height": hei });
  $(".action").click(function () {
  startWaiting();
  setTimeout(function () {
   endWaiting();
  }, 3000);
  });
 });
 //开始加载
 function startWaiting() {
  $(".cover").css({ 'display': 'block', 'opacity': '0.8' });
  $(".showLoad").stop(true).animate({ 'margin-top': '300px', 'opacity': '1' }, 200);
 }
 //结束加载
 function endWaiting() {
  $(".showLoad").stop(true).animate({ 'margin-top': '250px', 'opacity': '0' }, 400);
  $(".cover").css({ 'display': 'none', 'opacity': '0' });
 }
 </script>
</head>
<body>
 <div class="loading">
 <a class="action" href="javascript：void(0);" rel="external nofollow" >点击加载特效</a></div>
 <div class="cover">
 </div>
 <div id="ajaxLoad" class="showLoad">
 <div class="loadAll">
  <img src="image/waiting.gif">加载中，请稍候...</div>
 </div>
</body>
</html>

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
 <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
 <title>jquery页面加载特效</title>
 <style type="text/css">
 *
 {
  margin: 0;
  padding: 0;
  list-style-type: none;
 }
 a, img
 {
  border: 0;
 }
 .loading
 {
  margin: 100px auto 0 auto;
  width: 400px;
  text-align: center;
  font-size: 18px;
 }
 .loading .action
 {
  text-decoration: none;
  font-family: "微软雅黑" , "宋体";
 }
 .cover
 {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 998;
  width: 100%;
  height: 100%;
  _padding: 0 20px 0 0;
  background: #f6f4f5;
  display: none;
 }
 .showLoad
 {
  position: fixed;
  top: 0;
  left: 50%;
  z-index: 9999;
  opacity: 0;
  filter: alpha(opacity=0);
  margin-left: -80px;
 }
 *html, *html body
 {
  background-image: url(about:blank);
  background-attachment: fixed;
 }
 *html .showLoad, *html .cover
 {
  position: absolute;
  top: expression(eval(document.documentElement.scrollTop));
 }
 #ajaxLoad
 {
  border: 1px solid #8CBEDA;
  font-size: 12px;
  font-weight: bold;
 }
 #ajaxLoad div.loadAll
 {
  width: 180px;
  height: 50px;
  line-height: 50px;
  border: 2px solid #D6E7F2;
  background: #fff;
 }
 #ajaxLoad img
 {
  margin: 10px 15px;
  float: left;
  display: inline;
 }
 </style>
 <script type="text/javascript" src="js/jquery.min.js"></script>
 <script type="text/javascript">
 $(function () {
  var hei = $(document).height();
  $(".cover").css({ "height": hei });
  $(".action").click(function () {
  startWaiting();
  setTimeout(function () {
   endWaiting();
  }, 3000);
  });
 });
 //开始加载
 function startWaiting() {
  $(".cover").css({ 'display': 'block', 'opacity': '0.8' });
  $(".showLoad").stop(true).animate({ 'margin-top': '300px', 'opacity': '1' }, 200);
 }
 //结束加载
 function endWaiting() {
  $(".showLoad").stop(true).animate({ 'margin-top': '250px', 'opacity': '0' }, 400);
  $(".cover").css({ 'display': 'none', 'opacity': '0' });
 }
 </script>
</head>
<body>
 <div class="loading">
 <a class="action" href="javascript：void(0);" rel="external nofollow" >点击加载特效</a></div>
 <div class="cover">
 </div>
 <div id="ajaxLoad" class="showLoad">
 <div class="loadAll">
  <img src="image/waiting.gif">加载中，请稍候...</div>
 </div>
</body>
</html>