PC端、移动端都可以用的图片轮播（左右滑动切换）插件及使用

PC端、移动端都可以用的图片轮播（左右滑动切换）插件及使用

注：PC端JQ版本2.0或以上会报错

页面包含 jquery.touchSlider.js，代码：

/**
* @name jQuery.touchSlider
* @version 201209_2
* @since 201106
* @param Object settings 환경변수 오브젝트
* roll - 순환 (default true)
* flexible - 유동 레이아웃 (default false)
* view - 다중 컬럼 (default 1)
* speed - 애니메이션 속도 (default 75)
* range - 넘김 판정 범위 (default 0.15)
* page - 초기 페이지 (default 1)
* transition - CSS3 transition 사용 (default false)
* btn_prev - prev 버튼 (jQuery Object, default null)
* btn_next - next 버튼 (jQuery Object, default null)
* paging - page 버튼 (jQuery Object, default null)
* initComplete - 초기화 콜백
* counter - 슬라이드 콜백, 카운터
*
* @example
$("#target").touchSlider({
flexible : true
});
*/

(function ($) {

$.fn.touchSlider = function (settings) {

settings.supportsCssTransitions = (function (style) {
var prefixes = ['Webkit','Moz','Ms'];
for(var i=0, l=prefixes.length; i < l; i++ ) {
if( typeof style[prefixes[i] + 'Transition'] !== 'undefined') {
return true;
}
}
return false;
})(document.createElement('div').style);

settings = jQuery.extend({
roll : true,
flexible : false,
btn_prev : null,
btn_next : null,
paging : null,
speed : 75,
view : 1,
range : 0.15,
page : 1,
transition : false,
initComplete : null,
counter : null,
multi : false
}, settings);

var opts = [];
opts = $.extend({}, $.fn.touchSlider.defaults, settings);

return this.each(function () {

$.fn.extend(this, touchSlider);

var _this = this;

this.opts = opts;
this._view = this.opts.view;
this._speed = this.opts.speed;
this._tg = $(this);
this._list = this._tg.children().children();
this._width = parseInt(this._tg.css("width"));
this._item_w = parseInt(this._list.css("width"));
this._len = this._list.length;
this._range = this.opts.range * this._width;
this._pos = [];
this._start = [];
this._startX = 0;
this._startY = 0;
this._left = 0;
this._top = 0;
this._drag = false;
this._scroll = false;
this._btn_prev;
this._btn_next;

this.init();

$(this)
.bind("touchstart", this.touchstart)
.bind("touchmove", this.touchmove)
.bind("touchend", this.touchend)
.bind("dragstart", this.touchstart)
.bind("drag", this.touchmove)
.bind("dragend", this.touchend)

$(window).bind("orientationchange resize", function () {
_this.resize(_this);
});
});

};

var touchSlider = {

init : function () {
var _this = this;

// $(this).children().css({
// "width":this._width + "px",
// "overflow":"visible"
// });

if(this.opts.flexible) this._item_w = this._width / this._view;
if(this.opts.roll) this._len = Math.ceil(this._len / this._view) * this._view;

var page_gap = (this.opts.page > 1 && this.opts.page <= this._len) ? (this.opts.page - 1) * this._item_w : 0;

for(var i=0; i<this._len; ++i) {
this._pos[i] = this._item_w * i - page_gap;
this._start[i] = this._pos[i];
this._list.eq(i).css({
"float" : "none",
"display" : "block",
"position" : "absolute",
"top" : "0",
"left" : this._pos[i] + "px",
"width" : this._item_w + "px"
});
if(this.opts.supportsCssTransitions && this.opts.transition) {
this._list.eq(i).css({
"-moz-transition" : "0ms",
"-moz-transform" : "",
"-ms-transition" : "0ms",
"-ms-transform" : "",
"-webkit-transition" : "0ms",
"-webkit-transform" : "",
"transition" : "0ms",
"transform" : ""
});
}
}

if(this.opts.btn_prev && this.opts.btn_next) {
this.opts.btn_prev.bind("click", function() {
_this.animate(1, true);
return false;
})
this.opts.btn_next.bind("click", function() {
_this.animate(-1, true);
return false;
});
}

if(this.opts.paging) {
$(this._list).each(function (i, el) {
//var btn_page = _this.opts.paging.eq(0).clone();
var btn_page = _this.opts.paging.eq(i);
//_this.opts.paging.before(btn_page);

btn_page.bind("click", function(e) {
_this.go_page(i, e);
return false;
});
});

//this.opts.paging.remove();
}

this.counter();
this.initComplete();
},

initComplete : function () {
if(typeof(this.opts.initComplete) == "function") {
this.opts.initComplete(this);
}
},

resize : function (e) {
if(e.opts.flexible) {
var tmp_w = e._item_w;

e._width = parseInt(e._tg.css("width"));
e._item_w = e._width / e._view;
e._range = e.opts.range * e._width;

for(var i=0; i<e._len; ++i) {
e._pos[i] = e._pos[i] / tmp_w * e._item_w;
e._start[i] = e._start[i] / tmp_w * e._item_w;
e._list.eq(i).css({
"left" : e._pos[i] + "px",
"width" : e._item_w + "px"
});
if(this.opts.supportsCssTransitions && this.opts.transition) {
e._list.eq(i).css({
"-moz-transition" : "0ms",
"-moz-transform" : "",
"-ms-transition" : "0ms",
"-ms-transform" : "",
"-webkit-transition" : "0ms",
"-webkit-transform" : "",
"transition" : "0ms",
"transform" : ""
});
}
}
}

this.counter();
},

touchstart : function (e) {
if((e.type == "touchstart" && e.originalEvent.touches.length <= 1) || e.type == "dragstart") {
this._startX = e.pageX || e.originalEvent.touches[0].pageX;
this._startY = e.pageY || e.originalEvent.touches[0].pageY;
this._scroll = false;

this._start = [];
for(var i=0; i<this._len; ++i) {
this._start[i] = this._pos[i];
}
}
},

touchmove : function (e) {
if((e.type == "touchmove" && e.originalEvent.touches.length <= 1) || e.type == "drag") {
this._left = (e.pageX || e.originalEvent.touches[0].pageX) - this._startX;
this._top = (e.pageY || e.originalEvent.touches[0].pageY) - this._startY;
var w = this._left < 0 ? this._left * -1 : this._left;
var h = this._top < 0 ? this._top * -1 : this._top;

if (w < h || this._scroll) {
this._left = 0;
this._drag = false;
this._scroll = true;
} else {
e.preventDefault();
this._drag = true;
this._scroll = false;
this.position(e);
}

for(var i=0; i<this._len; ++i) {
var tmp = this._start[i] + this._left;

if(this.opts.supportsCssTransitions && this.opts.transition) {
var trans = "translate3d(" + tmp + "px,0,0)";
this._list.eq(i).css({
"left" : "",
"-moz-transition" : "0ms",
"-moz-transform" : trans,
"-ms-transition" : "0ms",
"-ms-transform" : trans,
"-webkit-transition" : "0ms",
"-webkit-transform" : trans,
"transition" : "0ms",
"transform" : trans
});
} else {
this._list.eq(i).css("left", tmp + "px");
}

this._pos[i] = tmp;
}
}
},

touchend : function (e) {
if((e.type == "touchend" && e.originalEvent.touches.length <= 1) || e.type == "dragend") {
if(this._scroll) {
this._drag = false;
this._scroll = false;
return false;
}

this.animate(this.direction());
this._drag = false;
this._scroll = false;
}
},

position : function (d) {
var gap = this._view * this._item_w;

if(d == -1 || d == 1) {
this._startX = 0;
this._start = [];
for(var i=0; i<this._len; ++i) {
this._start[i] = this._pos[i];
}
this._left = d * gap;
} else {
if(this._left > gap) this._left = gap;
if(this._left < - gap) this._left = - gap;
}

if(this.opts.roll) {
var tmp_pos = [];
for(var i=0; i<this._len; ++i) {
tmp_pos[i] = this._pos[i];
}
tmp_pos.sort(function(a,b){return a-b;});

var max_chk = tmp_pos[this._len-this._view];
var p_min = $.inArray(tmp_pos[0], this._pos);
var p_max = $.inArray(max_chk, this._pos);

if(this._view <= 1) max_chk = this._len - 1;
if(this.opts.multi) {
if((d == 1 && tmp_pos[0] >= 0) || (this._drag && tmp_pos[0] >= 100)) {
for(var i=0; i<this._view; ++i, ++p_min, ++p_max) {
this._start[p_max] = this._start[p_min] - gap;
this._list.eq(p_max).css("left", this._start[p_max] + "px");
}
} else if((d == -1 && tmp_pos[0] <= 0) || (this._drag && tmp_pos[0] <= -100)) {
for(var i=0; i<this._view; ++i, ++p_min, ++p_max) {
this._start[p_min] = this._start[p_max] + gap;
this._list.eq(p_min).css("left", this._start[p_min] + "px");
}
}
} else {
if((d == 1 && tmp_pos[0] >= 0) || (this._drag && tmp_pos[0] > 0)) {
for(var i=0; i<this._view; ++i, ++p_min, ++p_max) {
this._start[p_max] = this._start[p_min] - gap;
this._list.eq(p_max).css("left", this._start[p_max] + "px");
}
} else if((d == -1 && tmp_pos[max_chk] <= 0) || (this._drag && tmp_pos[max_chk] <= 0)) {
for(var i=0; i<this._view; ++i, ++p_min, ++p_max) {
this._start[p_min] = this._start[p_max] + gap;
this._list.eq(p_min).css("left", this._start[p_min] + "px");
}
}
}
} else {
if(this.limit_chk()) this._left = this._left / 2;
}
},

animate : function (d, btn_click) {
if(this._drag || !this._scroll || btn_click) {
var _this = this;
var speed = this._speed;

if(btn_click) this.position(d);

var gap = d * (this._item_w * this._view);
if(this._left == 0 || (!this.opts.roll && this.limit_chk()) ) gap = 0;

this._list.each(function (i, el) {
_this._pos[i] = _this._start[i] + gap;

if(_this.opts.supportsCssTransitions && _this.opts.transition) {
var transition = speed + "ms";
var transform = "translate3d(" + _this._pos[i] + "px,0,0)";

if(btn_click) transition = "0ms";

$(this).css({
"left" : "",
"-moz-transition" : transition,
"-moz-transform" : transform,
"-ms-transition" : transition,
"-ms-transform" : transform,
"-webkit-transition" : transition,
"-webkit-transform" : transform,
"transition" : transition,
"transform" : transform
});
} else {
$(this).stop();
$(this).animate({"left": _this._pos[i] + "px"}, speed);
}
});

this.counter();
}
},

direction : function () {
var r = 0;

if(this._left < -(this._range)) r = -1;
else if(this._left > this._range) r = 1;

if(!this._drag || this._scroll) r = 0;

return r;
},

limit_chk : function () {
var last_p = parseInt((this._len - 1) / this._view) * this._view;
return ( (this._start[0] == 0 && this._left > 0) || (this._start[last_p] == 0 && this._left < 0) );
},

go_page : function (i, e) {
var crt = ($.inArray(0, this._pos) / this._view) + 1;
var cal = crt - (i + 1);

while(cal != 0) {
if(cal < 0) {
this.animate(-1, true);
cal++;
} else if(cal > 0) {
this.animate(1, true);
cal--;
}
}
},

counter : function () {
if(typeof(this.opts.counter) == "function") {
var param = {
total : Math.ceil(this._len / this._view),
current : ($.inArray(0, this._pos) / this._view) + 1
};
this.opts.counter(param);
}
}

};

})(jQuery);
页面包含 jquery.event.drag-1.5.min.js ，代码：

/*
jquery.event.drag.js ~ v1.5 ~ Copyright (c) 2008, Three Dub Media (http://threedubmedia.com)
Liscensed under the MIT License ~ http://threedubmedia.googlecode.com/files/MIT-LICENSE.txt */
(function(E){E.fn.drag=function(L,K,J){if(K){this.bind("dragstart",L)}if(J){this.bind("dragend",J)}return !L?this.trigger("drag"):this.bind("drag",K?K:L)};var A=E.event,B=A.special,F=B.drag={not:":input",distance:0,which:1,dragging:false,setup:function(J){J=E.extend({distance:F.distance,which:F.which,not:F.not},J||{});J.distance=I(J.distance);A.add(this,"mousedown",H,J);if(this.attachEvent){this.attachEvent("ondragstart",D)}},teardown:function(){A.remove(this,"mousedown",H);if(this===F.dragging){F.dragging=F.proxy=false}G(this,true);if(this.detachEvent){this.detachEvent("ondragstart",D)}}};B.dragstart=B.dragend={setup:function(){},teardown:function(){}};function H(L){var K=this,J,M=L.data||{};if(M.elem){K=L.dragTarget=M.elem;L.dragProxy=F.proxy||K;L.cursorOffsetX=M.pageX-M.left;L.cursorOffsetY=M.pageY-M.top;L.offsetX=L.pageX-L.cursorOffsetX;L.offsetY=L.pageY-L.cursorOffsetY}else{if(F.dragging||(M.which>0&&L.which!=M.which)||E(L.target).is(M.not)){return }}switch(L.type){case"mousedown":E.extend(M,E(K).offset(),{elem:K,target:L.target,pageX:L.pageX,pageY:L.pageY});A.add(document,"mousemove mouseup",H,M);G(K,false);F.dragging=null;return false;case !F.dragging&&"mousemove":if(I(L.pageX-M.pageX)+I(L.pageY-M.pageY)<M.distance){break}L.target=M.target;J=C(L,"dragstart",K);if(J!==false){F.dragging=K;F.proxy=L.dragProxy=E(J||K)[0]}case"mousemove":if(F.dragging){J=C(L,"drag",K);if(B.drop){B.drop.allowed=(J!==false);B.drop.handler(L)}if(J!==false){break}L.type="mouseup"}case"mouseup":A.remove(document,"mousemove mouseup",H);if(F.dragging){if(B.drop){B.drop.handler(L)}C(L,"dragend",K)}G(K,true);F.dragging=F.proxy=M.elem=false;break}return true}function C(M,K,L){M.type=K;var J=E.event.handle.call(L,M);return J===false?false:J||M.result}function I(J){return Math.pow(J,2)}function D(){return(F.dragging===false)}function G(K,J){if(!K){return }K.unselectable=J?"off":"on";K.onselectstart=function(){return J};if(K.style){K.style.MozUserSelect=J?"":"none"}}})(jQuery);

CSS设置部分

.banner{ width:100%; height:20rem; background-color:#eee; position:relative;}
.banner.img_show{ width:94%; height:15.75rem; margin:0 auto;}
.banner.img_show2{ width:94%; height:10.625rem; margin:0 auto;}
/**/
.main_image{ height:100%; overflow:hidden; position:relative;
-webkit-box-shadow:-.3rem .3rem 5px rgba(0,0,0,.5); box-shadow:-.3rem .3rem 5px rgba(0,0,0,.5);
}
.main_image ul , .main_image li{ width:100%; height:100%;}
.main_image li img{ width:100%; height:100%;}
.flicking_con{ width:100%; height:25px; text-align:center; position:absolute; left:0; bottom:0; display:;}
.flicking_con a{ display:inline-block; width:10px; height:10px; margin:0 5px; font-size:0; background-color:#fff; border-radius:50%;}
.flicking_con a.on{ background-color:#86080A;}
.btn_prev,.btn_next{ display:block; width:0; height:0; -webkit-transform-origin:center center; transform-origin:center center; position:absolute; top:50%; margin-top:-1.25rem; display:none;}
.btn_prev{ left:0;}
.btn_next{ right:0; -webkit-transform:scaleX(-1); transform:scaleX(-1);}
HTML:代码部分

<div class="banner i
b970
mg_show">
<div class="main_image" data-auto="1"><!--data-auto 是否自动播放-->
<ul>
<li><img src="public/1.jpg" /></li>
<li><img src="public/2.jpg" /></li>
<li><img src="public/3.jpg" /></li>
<li><img src="public/4.jpg" /></li>
</ul>
<a href="javascript:;" class="btn_prev"></a>
<a href="javascript:;" class="btn_next"></a>
</div>
<div class="flicking_con">
<a href="javascript:;" class="on">1</a>
<a href="javascript:;" class="">2</a>
<a href="javascript:;" class="">3</a>
<a href="javascript:;" class="">4</a>
</div>
</div>

JS设置切换，下面 each 方法，可设置一个页面中多个轮播处，不用多次针对每个轮播的盒子进行配置
//KV图切换
$(".main_image").each(function(index, element) {
var $ele = $(element);
var auto_roll = $ele.attr('data-auto');
if($ele.find('li').length > 1){
var $dragBln = false;
$ele.touchSlider({
flexible : true,
speed : 200,
btn_prev : $ele.find('.btn_prev'),
btn_next : $ele.find('.btn_next'),
paging : $ele.siblings('.flicking_con').find('a'),
counter : function (e){
$ele.siblings('.flicking_con').find('a').removeClass("on").eq(e.current-1).addClass("on");
}
});
$ele.bind("mousedown", function() {
$dragBln = false;
});
$ele.bind("dragstart", function() {
$dragBln = true;
});
$ele.find('a').click(function(){
if($dragBln) {
return false;
}
});
if(auto_roll == '1'){
timer = setInterval(function(){
$ele.find('.btn_next').click();
}, 3000);
$ele.bind("touchstart",function(){
clearInterval(timer);
}).bind("touchend", function(){
timer = setInterval(function(){
$ele.find('.btn_next').click();
}, 3000);
});
}
}else{
$ele.siblings('.flicking_con').hide();
}
});