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基于jquery可配置循环左右滚动例子

2020-05-18 08:58:54易采站长站整理


<!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>
<title>可配置横栏滚动Demo</title>
<meta http-equiv=”Content-Type” content=”text/html; charset=utf-8″ />
<style type=”text/css”>
* { margin:0; padding:0;}
body { font-size:12px;}
</style>
<script src=”jquery-1.4.1.js” type=”text/javascript”></script>
<style type=”text/css”>
#scrollable {
background-color:#efefef;
border:1px solid #ddd;
padding:10px 8px;
width:523px;
height:65px;
margin-top:30px;
}
div.items {
height:66px;
margin-left:8px;
float:left;
width:475px !important;
}
div.items a {
display:block;
float:left;
margin-right:8px;
width:88px;
height:66px;
background:#BBB;
font-size:50px;
color:#ccc;
line-height:66px;
text-decoration:none;
text-align:center;
cursor:pointer;
}
div.items a:hover {
color:#999;
}
div.items a.active {
background-position:-174px 0;
color:#555;
cursor:default;
}
a.prev, a.next {
background:url(left.png) no-repeat 0 0;
display:block;
width:18px;
height:18px;
float:left;
margin:22px 0 0 0;
cursor:pointer;
}
a.next {
background-image:url(right.png)
}
a.prev:hover {
background-position:0 -18px;
}
a.next:hover {
background-position:0 -18px;
}
</style>
<script language=”javascript” type=”text/javascript”>
(function ($) {
$.fn.extend({
Scroll: function (opt, callback) {
if (!opt) var opt = {};
var _btnleft = $(opt.left);
var _btnright = $(opt.right);
var timerID;
var _this = this.eq(0).find(“div”).eq(1);
var lineW = _this.find(“a:first”).width(), //获取列宽
line = opt.line ? parseInt(opt.line, 10) : parseInt(_this.width() / lineW, 10), //每次滚动的列数，默认为一屏，即父容器列宽
speed = opt.speed ? parseInt(opt.speed, 10) : 500; //滚动速度，数值越大，速度越慢（毫秒）
timer = opt.timer ? parseInt(opt.timer, 10) : 3000; //滚动的时间间隔（毫秒）
if (line == 0) line = 1;
var upWidth = 0 – line * lineW;
//滚动函数
var scrollLeft = function () {
if (!_this.is(“:animated”)) {
_this.animate({
left: upWidth
}, speed, function () {
for (i = 1; i <= line; i++) {
_this.find(“a:first”).appendTo(_this);
}
_this.css({ left: 0 });
});
}
}
var scrollRight = function () {
if (!_this.is(“:animated”)) {
for (i = 1; i <= line; i++) {
_this.find(“a:last”).show().prependTo(_this);
}
_this.css({ left: upWidth });

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