移动端（手机端）触屏基于jQuery的移动轮播图
<script src="js/jquery.min.js"></script>
<style>
.WSCSlideWrapper{
width:100%;
position: relative;
margin:0 auto;
//cursor:move;
}
#WSCSlideWrapperTwo{
width:50%;
position: relative;
margin:10px auto;
//cursor:move;
}
</style>
<div class="WSCSlideWrapper" id="WSCSlideWrapper" >
<div>
<a><img src="/images/enl01.jpg" /></a>
<a><img src="/images/enl02.jpg" /></a>
<a><img src="/images/enl03.jpg" /></a>
<a><img src="/images/enl04.jpg" /></a>
</div> </div>
<script type="text/javascript">
$(document).ready(function () {
$('.WSCSlideWrapper').height($('.WSCSlideWrapper').width() * 0.5);
$('.WSCSlideWrapper').touchslide({ timecontrol: 3000, animatetime: 300, direction: 'left', navshow: true, canvassuport: true });
});
</script>
<script>/*
* touchslide 1.1
* Copyright (c) 2014 BowenLuo
* Date: 2014-06-08
* Example:$('.WSCSlideWrapper').touchslide({timecontrol:3000,animatetime:300,direction:'left',navshow:true,canvassuport:true});
* Update:增加对IE9+等非Safari内核浏览器的鼠标拖动图片功能
*/
(function ($) {
$.fn.touchslide = function (options) {
var defaults = {
timecontrol: 3000,//图片停留时间
animatetime: 300, //图片滑动所需时间
direction: 'left', //轮播方向
navshow: true,//是否显示图片导航栏
canvassuport: true//图片导航栏是否开启cavas绘制圆
}
var options = $.extend(defaults, options);
var timecontrol = options.timecontrol || 3000;
var animatetime = options.animatetime || 300;
var direction = options.direction || 'left';
var navshow = options.navshow;
this.each(function () {
var slideWrapper = $(this);
var slideImgWrapper = slideWrapper.children('div:first');
var slideAs = slideImgWrapper.children('a');
var slideImgs = slideAs.children('img');
var imgcount = slideImgs.length;
var imgcountrealy = slideImgs.length;
var navimgs;
var circlewrapper;
var circles;
var canvassuport = true;
var circler = 0;
var navimgsbuttom = 0;
if (imgcount > 1) {
$((slideImgWrapper.html().split("/a>")[0] + "/a>" + slideImgWrapper.html().split("/a>")[1] + "/a>")).insertAfter(slideAs.last());
if (navshow) {
$("<div class='navimgs'></div>").insertAfter(slideImgWrapper);
navimgs = slideWrapper.children('div:last');
navimgs.append("<div class='circlewrapper'></div>");
circlewrapper = navimgs.children('div:first');
for (var i = 0; i < imgcountrealy; i++) {
circlewrapper.append("<canvas class='circle' width='15' height='15'></canvas>");
}
circles = circlewrapper.children('canvas');
var myCanvas = circles[1];
if (!myCanvas.getContext) {
canvassuport = false;
} else {
canvassuport = options.canvassuport;
}
}
}
slideAs = slideImgWrapper.children('a');
slideImgs = slideAs.children('img');
imgcount = slideImgs.length;
var slideWrapperWidth = slideWrapper.width();
var slideWrapperHeight = slideWrapper.height();
slideWrapper.css({ "overflow": "hidden", "width": slideWrapperWidth, "height": slideWrapperHeight });
slideImgWrapper.css({ 'position': "absolute", "z-index": "1", "overflow": "hidden", "width": slideWrapperWidth * imgcount, "height": slideWrapperHeight });
slideAs.css({ 'position': "relative", "overflow": "hidden", "float": "left", "width": slideWrapperWidth, "height": slideWrapperHeight });
slideImgs.css({ 'position': "relative", "z-index": "1", "width": slideWrapperWidth, "height": slideWrapperHeight });
if (typeof (navimgs) !== 'undefined') {
if (navshow) {
if (slideWrapperWidth * 0.03 > 15) {
circler = 15;
} else {
circler = slideWrapperWidth * 0.03;
}
if (slideWrapperHeight > 360) {
navimgsbuttom = 8;
} else if (slideWrapperHeight > 240) {
navimgsbuttom = 6;
} else if (slideWrapperHeight > 120) {
navimgsbuttom = 4;
} else {
navimgsbuttom = 2;
}
navimgs.css({ "position": "absolute", "z-index": "3", "overflow": "hidden", "display": "block", "width": slideWrapperWidth, "height": circler, "bottom": navimgsbuttom });
circlewrapper.css({ "position": "relative", "overflow": "hidden", "width": (slideWrapperWidth * 0.05 * imgcountrealy), "height": circler, "margin": "auto" });
circles.css({ 'position': "relative", "float": "left", "max-width": 15, "max-height": 15, "margin-left": slideWrapperWidth * 0.01 });
circles.attr("width", circler);
circles.attr("height", circler);
canvacircle(0);
for (var i = 0; i < circles.length; i++) {
navclick(i);
}
} else {
navimgs.css({ "display": "none" });
}
}
if (imgcount < 4) {
return;
}
slideImgWrapper.css({ 'left': -slideWrapperWidth });
var st;
var sts;
sts = setTimeout(function () {
timedCount();
}, timecontrol);
slideWrapper.hover(function () {
stopAll();
},
function () {
sts = setTimeout(function () {
timedCount();
}, timecontrol);
});
mouseDrag(slideWrapper);
touchDrag(slideWrapper);
function timedCount() {
if (direction == 'left') {
turnleft();
} if (direction == 'right') {
turnright();
}
clearTimeout(st);
st = setTimeout(function () {
timedCount();
}, timecontrol);
}
function stopCount() {
if (st != "") {
clearTimeout(st);
}
}
function stopAll() {
stopCount();
clearTimeout(sts);
slideImgWrapper.stop(true);
}
function navclick(navnum) {
circlewrapper.children('canvas:eq(' + navnum + ')').click(function (e) {
scideimgskip(navnum + 1);
})
}
function scideimgskip(imgnum) {
stopAll();
turnleftwidth = imgnum * slideWrapperWidth;
slideImgWrapper.stop(true).animate({ left: -turnleftwidth }, animatetime, function () {
var imgnum = turnleftwidth / slideWrapperWidth - 1;
if (imgnum == 0) {
imgnum = imgcountrealy;
}
if ((imgnum - imgcountrealy) == 0) {
imgnum = 0;
}
canvacircle(imgnum);
});
}
function canvacircle(canvanum) {
circles.attr("width", circler);
circles.attr("height", circler);
for (var i = 0; i < circles.length; i++) {
if (canvassuport) {
var navCanvas = circles[i];
var cxt = navCanvas.getContext("2d");
if (i == canvanum) {
cxt.fillStyle = "#0182D7";
} else {
cxt.fillStyle = "#ddd";
}
cxt.arc(circler * 0.5, circler * 0.5, circler * 0.5, 0, Math.PI * 2, true);
cxt.closePath();
cxt.fill();
} else {
circles.css("background", "#ddd");
circlewrapper.children('canvas:eq(' + canvanum + ')').css("background", "#0182D7");
}
}
}
var turnleftwidth = slideWrapperWidth;
function turnleft() {
turnleftwidth = turnleftwidth + slideWrapperWidth;
if (turnleftwidth > (imgcount - 2) * slideWrapperWidth) {
slideImgWrapper.css({ 'left': 0 });
turnleftwidth = slideWrapperWidth;
}
slideImgWrapper.stop(true).animate({ left: -turnleftwidth }, animatetime, function () {
var imgnum = turnleftwidth / slideWrapperWidth - 1;
if (imgnum == 0) {
imgnum = imgcountrealy;
}
if ((imgnum - imgcountrealy) == 0) {
imgnum = 0;
}
canvacircle(imgnum);
});
}
function turnright() {
turnleftwidth = turnleftwidth - slideWrapperWidth;
if (turnleftwidth == 0) {
slideImgWrapper.css({ 'left': -slideWrapperWidth * (imgcount - 1) });
turnleftwidth = slideWrapperWidth * (imgcount - 2);
}
slideImgWrapper.stop(true).animate({ left: -turnleftwidth }, animatetime, function () {
var imgnum = turnleftwidth / slideWrapperWidth - 1;
if (imgnum == 0) {
imgnum = imgcountrealy;
}
if ((imgnum - imgcountrealy) == 0) {
imgnum = 0;
}
canvacircle(imgnum);
});
}
var distanceX = 0;
function toLeft() {
if (turnleftwidth > (imgcount - 3) * slideWrapperWidth) {
slideImgWrapper.css({ "left": distanceX });
turnleftwidth = 0;
}
turnleft();
sts = setTimeout(function () {
timedCount();
}, timecontrol);
}
function toRight() {
if (turnleftwidth == slideWrapperWidth) {
slideImgWrapper.css({ 'left': -slideWrapperWidth * (imgcount - 1) + distanceX });
turnleftwidth = slideWrapperWidth * (imgcount - 1);
}
turnright();
sts = setTimeout(function () {
timedCount();
}, timecontrol);
}
function mouseDrag($element) {
var eventEle = $element;
var stx = etx = curX = 0;
var MAction = false;
var ahrefs = [];
for (var i = 0; i < slideAs.length; i++) {
if (typeof (slideImgWrapper.children('a:eq(' + i + ')').attr('href')) !== 'undefined') {
ahrefs.push(slideImgWrapper.children('a:eq(' + i + ')').attr('href'));
}
}
eventEle.mouseover(function () {
for (var i = 0; i < slideAs.length; i++) {
if (typeof (slideImgWrapper.children('a:eq(' + i + ')').attr('href')) !== 'undefined') {
slideImgWrapper.children('a:eq(' + i + ')').attr('href', ahrefs[i]);
}
}
});
eventEle.mousemove(function (event) {
if (MAction) {
var changeX = event.pageX - stx;
slideImgWrapper.css({ "left": -turnleftwidth + changeX });
distanceX = changeX;
}
event.preventDefault();
}).mousedown(function (event) {
stopAll();
MAction = true;
stx = event.pageX;
event.preventDefault();
});
eventEle.mouseup(function (event) {
etx = event.pageX;
curX = etx - stx;
MAction = false;
if (curX > 5) {
slideAs.attr("href", "javascript:void(0)");
toRight();
}
if (curX < -5) {
slideAs.attr("href", "javascript:void(0)");
toLeft();
}
event.preventDefault();
});
}
function touchDrag($element) {
var gundongX = 0;
var gundongY = 0;
var moveEle = $element;
var stx = sty = etx = ety = curX = curY = 0;
var ImgWidth_arr = [];
for (var i = 0; i < imgcount; i++) {
ImgWidth_arr.push(i * slideWrapperWidth);
}
moveEle.on("touchstart", function (event) { //touchstart
stopAll();
var event = event.originalEvent;
gundongX = 0;
gundongY = 0;
//alert(etx);
// 手指位置
stx = event.touches[0].pageX;
sty = event.touches[0].pageY;
});
moveEle.on("touchmove", function (event) {
var event = event.originalEvent;
// 防止拖动页面
event.preventDefault();
// 手指位置 减去 元素当前位置 就是 要移动的距离
gundongX = event.touches[0].pageX - stx;
gundongY = event.touches[0].pageY - sty;
// 目标位置 就是 要移动的距离 加上 元素当前位置
slideImgWrapper.css({ "left": -turnleftwidth + gundongX });
distanceX = gundongX;
});
moveEle.on("touchend", function (event) {
if (Math.abs(gundongX) > 5) {
event.preventDefault();
if (gundongX > 0) {
// 右滑
toRight();
} else {
// 左滑
toLeft();
}
}
});
}
});
};
})(jQuery); </script>