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slideshow-by-own-jquery.html
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<!DOCTYPE html>
<html><head>
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<meta charset="utf-8">
<meta name="viewport" content="width=device-width,initial-scale=1.0,maximum-scale=1.0,minimum-scale=1.0,user-scalable=no">
<title>用自己写的类jQuery工具库实现轮播图</title>
<style type="text/css">
/* css reset*/
html,body,div,span,object,iframe,h1,h2,h3,h4,h5,h6,p,blockquote,pre,abbr,address,cite,code,del,dfn,em,img,ins,kbd,q,samp,small,strong,sub,sup,var,b,i,dl,dt,dd,ol,ul,li,fieldset,form,label,legend,table,caption,tbody,tfoot,thead,tr,th,td,article,aside,canvas,details,figcaption,figure,footer,header,hgroup,menu,nav,section,summary,time,mark,audio,video{margin:0;padding:0;border:0;outline:0;font-size:100%;vertical-align:baseline;background:transparent}body{line-height:1}:focus{outline:1}article,aside,canvas,details,figcaption,figure,footer,header,hgroup,menu,nav,section,summary{display:block}nav ul{list-style:none}blockquote,q{quotes:none}blockquote:before,blockquote:after,q:before,q:after{content:"";content:none}a{margin:0;padding:0;border:0;font-size:100%;vertical-align:baseline;background:transparent}ins{background-color:#ff9;color:#000;text-decoration:none}mark{background-color:#ff9;color:#000;font-style:italic;font-weight:700}del{text-decoration:line-through}abbr[title],dfn[title]{border-bottom:1px dotted #000;cursor:help}table{border-collapse:collapse;border-spacing:0}hr{display:block;height:1px;border:0;border-top:1px solid #ccc;margin:1em 0;padding:0}input,select{vertical-align:middle}
/* main */
html { height: 100%;}
body { background: #f0f0f0; height: 100%;}
/* 水平垂直居中-公共类 */
.c-wrap { display: table; *writing-mode: tb-rl; }
.c-inner { display: table-cell; vertical-align: middle; *width:100%; *margin:auto 0; *writing-mode:lr-tb;}
/*main*/
ul { list-style: none;}
.container { position:relative; width: 710px; height: 355px; overflow: hidden; margin:100px auto; box-shadow:0 0 8px #999;}
.slider { position:absolute; top:0; left:0;}
.slider li { float: left; width: 710px; height: 355px;}
.dots { position:absolute; bottom:20px; left:0; width: 100%; text-align: right;}
.dots li { display:inline-block; width: 13px; height: 13px; margin-right:5px; border: 2px solid #fff; background:#0AB0E8; border-radius: 50%; cursor:pointer;}
.dots li.cur { background:#F8CD47;}
.next, .prev { position:absolute; top:50%; width: 40px; height: 120px; margin-top:-60px; background:rgba(0, 0, 0, .4); color:#fff; font-size: 48px; line-height: 2.5; text-align: center; font-weight: 700; cursor:pointer;}
.next { right:0;}
.perv { left:0;}
</style>
</head>
<body>
<div class="container">
<ul class="slider">
<li><img src="images/jquery01.jpg" alt=""></li>
<li><img src="images/jquery02.jpg" alt=""></li>
<li><img src="images/jquery03.jpg" alt=""></li>
<li><img src="images/jquery04.jpg" alt=""></li>
<li><img src="images/jquery05.jpg" alt=""></li>
<li><img src="images/jquery06.jpg" alt=""></li>
</ul>
<ul class="dots dots1">
<li></li>
<li></li>
<li></li>
<li></li>
<li></li>
<li></li>
</ul>
<div class="next next1">></div>
<div class="prev prev1"><</div>
</div>
<div class="container">
<ul class="slider">
<li><img src="images/jquery01.jpg" alt=""></li>
<li><img src="images/jquery02.jpg" alt=""></li>
<li><img src="images/jquery03.jpg" alt=""></li>
<li><img src="images/jquery04.jpg" alt=""></li>
<li><img src="images/jquery05.jpg" alt=""></li>
<li><img src="images/jquery06.jpg" alt=""></li>
</ul>
<ul class="dots dots2">
<li></li>
<li></li>
<li></li>
<li></li>
<li></li>
<li></li>
</ul>
<div class="next next2">></div>
<div class="prev prev2"><</div>
</div>
<script type="text/javascript" src="jquery-own.js"></script>
<script type="text/javascript">
;(function($) {
//默认参数，放在这里成为私有对象
var defaults = {
className: 'cur',
direction: 'x',
type: 'click',
auto: true,
speed: 400,
interval: 3000
};
//私有函数
function slideshow(options) {
var self = this,
//以空对象为target，不会破坏defaults的结构
settings = $.extend({}, defaults, options),
parent = this.parent(),
children = this.children(),
size = children.length,
distance,
prop;
//根据方向进行不同设置
if (settings.direction === 'x') {
distance = parseFloat(parent.css('width'));
prop = 'margin-left';
children.css('float', 'left');
this.css('width', size * distance + 'px')
} else {
distance = parseFloat(parent.css('height'));
prop = 'margin-top';
this.css('height,', size * distance + 'px');
}
var nodeList = [];
//将原始顺序记录下来
children.each(function() {
nodeList.push($(this));
});
var switchs, switchsList;
if (typeof settings.switchs === 'string') {
switchs = document.querySelector(settings.switchs);
switchsList = $(switchs).children();
switchsList.eq(0).addClass('cur');
if (switchs) {
var nodeName = switchsList[0].nodeName;
//切换选项区采用事件代理
switchs.addEventListener(settings.type, function(e) {
if (!animated) return;
var target = e.target,
index;
if (target.nodeName === nodeName) {
target = $(target);
index = target.index();
method.change(index).choice(index);
}
}, false);
}
}
var animated = true;
var count = 0;
var _count = 0;
var method = {
//上一帧
prev: function() {
--count;
count = count < 0 ? count + size : count;
if (_count) {
return method.choice(count);
} else {
method.change(count);
}
animated = false;
var last = self.last();
var propObj = {};
propObj[prop] = 0;
self.prepend(last.css(prop, -distance + 'px')[0]);
last.animate(propObj, settings.speed, function() {
animated = true;
});
},
//下一帧
next: function() {
count = (count + 1) % size;
if (_count) {
return method.choice(count);
} else {
method.change(count);
}
animated = false;
var first = self.first();
var propObj = {};
propObj[prop] = -distance;
first.animate(propObj, settings.speed, function() {
self.append(first.css(prop, '0px')[0]);
animated = true;
});
},
//用户自主选择某一帧
choice: function(index) {
method.change(count = index);
var target = nodeList[index];
_count = index = target.index();
var propObj = {};
propObj[prop] = -distance * index;
animated = false;
self.animate(propObj, settings.speed, function() {
animated = true;
});
},
//切换项更新
change: function(index) {
switchsList.eq(index).addClass('cur').siblings().removeClass('cur');
return this;
}
};
//是否自动播放
if (settings.auto) {
var timer;
function loop() {
timer = setInterval(method.next, settings.interval);
}
parent = parent[0];
//进入其父元素时暂停播放
parent.addEventListener('mouseover', function(e) {
e.preventDefault();
clearInterval(timer);
}, false);
//离开其父元素时重新播放
parent.addEventListener('mouseout', function(e) {
e.preventDefault();
loop();
}, false);
loop()
}
//下一帧箭头点击事件
if (typeof settings.next === 'string') {
settings.next = [].slice.call(document.querySelectorAll(settings.next));
$.each(settings.next, function() {
this.addEventListener('click', function(e) {
e.preventDefault();
if (!animated) return;
method.next();
}, false);
});
}
//上一帧箭头点击事件
if (typeof settings.prev === 'string') {
settings.prev = [].slice.call(document.querySelectorAll(settings.prev));
$.each(settings.prev, function() {
this.addEventListener('click', function(e) {
e.preventDefault();
if (!animated) return;
method.prev();
}, false);
});
}
}
//以插件形式使用
$.fn.slideshow = function() {
var args = [].slice.call(arguments);
return this.each(function(i) {
slideshow.call($(this), args[i]);
});
};
}(jQuery));
$(function() {
$('.slider').slideshow({
switchs: '.dots1',
prev: '.prev1',
next: '.next1'
}, {
//选项卡
switchs: '.dots2',
//选项卡事件
type: 'mouseover',
//上一帧
prev: '.prev2',
//下一帧
next: '.next2',
//默认也是自动播放
auto: true,
//滑动方向
direction: 'y',
//播放间隔
interval: 1000,
//滑动速率
speed: 200
});
});
</script>
</body>
</html>