前端之家收集整理的这篇文章主要介绍了
jQuery实现友好的轮播图片特效，
前端之家小编觉得挺不错的，现在分享给大家，也给大家做个参考。
先上效果图：
【处理】 这里的图片滚动轮播，做了点小处理：当在第1页状态时，你点击第5页，图片的滚动是一张滑过，而不是从2-3-4-5（这种的多张滚动，看得头晕眼花）；
实现的做法是：
剩下的就是源代码分享了：
-------css----------------
-----------HTML---------------------
2
3
4
5
调用时，最外层赋予不同的id或类名即可
*/
/*----参数
@ wrap [String] 外层元素的类名或id
@ auto [Boolean] 不设置默认是不
自动播放；设置为true，
自动播放
@ speed [Number] 每隔几秒
图片切换，默认是4秒
*/
function Gy_slider(opt){
this.wrap = $(opt.wrap);
this.scroll = this.wrap.find('.gy-slide-scroll ul');
this.li = this.scroll.find('li');
this.btn_num = this.wrap.find('.gy-slide-btn span');
this.btn_home = this.wrap.find('.gy-slide-home');
this.btn_end = this.wrap.find('.gy-slide-end');
this.btn_prev = this.wrap.find('.gy-slide-prev');
this.btn_next = this.wrap.find('.gy-slide-next');
this.index = 0; //索引
this.refer = 0;
this.ctrl = true;
this.len = this.li.length;
this.move_w = this.scroll.parent().width();
this.auto = opt.auto == true?true:false;
this.speed = opt.speed || 4;
this.init();
}
Gy_slider.prototype = {
imgShow:function(i,callback){
var _that = this,
_w = 0;
switch(true){
case i
页码处理
this.btn_num.click(function(){
if(_that.btn_num.index($(this))==_that.index) return;
if(!_that.ctrl) return;
_that.ctrl = false;
_that.index = _that.btn_num.index($(this));
_that.isCtrl(_that.index);
_that.imgShow(_that.index,function(){
_that.ctrl = true;
});
});
//首页
this.btn_home.click(function(){
_that.index = 0;
_that.isCtrl(_that.index);
_that.imgShow(_that.index);
});
//尾页
this.btn_end.click(function(){
_that.index = _that.len - 1;
_that.isCtrl(_that.index);
_that.imgShow(_that.index);
});
//上一页
this.btn_prev.click(function(){
if($(this).hasClass("gy-slide-no")) return;
if(!_that.ctrl) return;
_that.ctrl = false;
_that.index--;
_that.isCtrl(_that.index);
_that.imgShow(_that.index,function(){
_that.ctrl = true;
});
});
//下一页
this.btn_next.click(function(){
if($(this).hasClass("gy-slide-no")) return;
if(!_that.ctrl) return;
_that.ctrl = false;
_that.index++;
_that.isCtrl(_that.index);
_that.imgShow(_that.index,function(){
_that.ctrl = true;
});
});
},
autoPlay:function(){
var _that = this;
if(this.timer) clearInterval(this.timer);
this.timer = setInterval(function(){
_that.index++;
if(_that.index==_that.len){
_that.index = 0;
}
_that.isCtrl(_that.index);
_that.imgShow(_that.index);
},this.speed*1000);
},
init:function(){
var _that = this;
this.btnClick();
if(this.auto){
this.autoPlay();
this.wrap.hover(function(){
clearInterval(_that.timer);
},function(){
_that.autoPlay();
});
}
}
}
