-
Notifications
You must be signed in to change notification settings - Fork 0
/
20161108练习轮播图淡入淡出2.html
157 lines (146 loc) · 3.89 KB
/
20161108练习轮播图淡入淡出2.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
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title></title>
<style>
*{
margin: 0;
padding: 0;
}
ul{
list-style: none;
}
#container{
width: 680px;
height: 344px;
background: red;
margin:50px auto;
position: relative;
overflow: hidden;
}
#tab{
position: absolute;
right: 10px;
bottom:10px;
z-index: 99999;
}
#tab li{
float: left;
width: 20px;
height: 20px;
background: #000;
color:#fff;
margin-right:5px;
text-align: center;
line-height: 20px;
cursor: pointer;
}
#tab .selected{
background: orange;
}
#arrow{
position: absolute;
left: 10px;
bottom:10px;
z-index: 99999;
}
#arrow span{
width: 20px;
height:20px;
float: left;
background: #000;
color:#fff;
margin-right: 5px;
text-align: center;
line-height: 20px;
cursor: pointer;
}
#content{
}
#content div{
height: 344px;
width: 680px;
position: absolute;
left: 0;
top: 0;
}
</style>
</head>
<body>
<div id="container">
<ul id="tab">
<li class="selected">1</li>
<li>2</li>
<li>3</li>
<li>4</li>
</ul>
<div id="content" >
<div style="background-color: blue"></div>
<div style="background-color: cornflowerblue"></div>
<div style="background-color: dodgerblue"></div>
<div style="background-color: darkblue"></div>
</div>
<div id="arrow">
<span id="prev"><</span>
<span id="next">></span>
</div>
</div>
<script src="jslib.js"></script>
<script>
window.onload = function(){
//
var oContainer = document.getElementById('container');
var oTab = document.getElementById('tab');
var aLi = oTab.getElementsByTagName('li');
var oContent = document.getElementById('content');
var aDiv = oContent.getElementsByTagName('div');
var oPrev = document.getElementById('prev');
var oNext = document.getElementById('next');
var iNow = 0;
for(var i=0;i<aLi.length;i++) {
aLi[i].index = i;
aDiv[i].style.zIndex = aDiv.length - i;
aLi[i].onclick = function () {
change(this.index);
iNow = this.index;
}
}
var iZIndex = 4;
function change(index){
for (var i = 0; i< aLi.length; i++) {
aLi[i].className = '';
}
aLi[index].className = 'selected';
aDiv[index].style.zIndex =++iZIndex;
aDiv[index].style.opacity = 0;
// aDiv[index].style.filter=alpha
animate(aDiv[index],{opacity:100});
}
oNext.onclick = function () {
iNow++;//不能写成inow=inow++
iNow = iNow % 4;
change(iNow);
};
oPrev.onclick = function(){
iNow --;
if(iNow == -1){
iNow = aDiv.length - 1;
}
change(iNow);
};
var timer = setInterval(function(){
oNext.onclick();
},1000);
oContainer.onmouseover = function(){
clearInterval(timer);
};
oContainer.onmouseout = function(){
timer=setInterval(function(){
oNext.onclick();
},1000);//为了保证前后是一个定时器不会出现一个定时器连着一个定时器的现象
}
};
</script>
</body>
</html>