/
yslider-3.0.js
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/
yslider-3.0.js
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/**
* author: feifeiyu
* version: 3.4
* Yslider is a simple images slider for h5
* @param target //slider container id
* @param interval // images change interval, s, default 3s
* @param imgArray // images list, include properties: redirect, type, url, detail
* @param showCircle //show circle nav, dafault true
* @param circleColor: //circle background-color
* yslider blog: https://feifeiyum.github.io/2016/10/30/yslider/
*/
var Yslider = (function() {
var imgsNode = '' //图片wrap
var circlesNode = '' //圆点 dom
var conWidth = '' // 图片宽度
var circleColor = '' //圆点颜色
var interval = '' //间隔时间
var autoPlay = true //是否自动轮播
var intervalFlag = null //setInterval 值
var currentIndex = 0 //当前页面编号
var imgLength = ''
var videoIds = [] //视频 video 标签 id
var conHeight = ''
var isPlaying = false //视频是否正在播放
var ysGenDom = function(opt) {
var container = document.getElementById(opt.target)
if(!container) {
throw '[error]: Yslider - can not find slider container DOM'
}
conWidth = container.clientWidth //slider width
conHeight = container.offsetHeight //slider height
imgLength = opt.imgArray.length
//检查 imgArray 有效性
for(var i = 0; i < imgLength; i++) {
if(!opt.imgArray[i].url) {
opt.imgArray.splice(i, 1)
imgLength -= 1
i -= 1
}
}
//生成slider dom 字符串
var sliderNode = '<div id="yslider-wrap" class="yslider-wrap"'
+ 'style="position: relative; width: 100%; height: 100%; overflow: hidden;">'
+ '<ul id="yslider-imglist" class="yslider-imglist" style="position: relative;margin: 0; padding: 0; height: 100%; transition: all 0.5s; width: ' +( conWidth * imgLength) + 'px;clear: both;">'
var sliderItems = ''
for(var i = 0; i < imgLength; i++) {
var index = i
if(opt.imgArray[index].type === 'video') {
if(opt.enable) {
var tagId = 'yvideo-' + i
sliderItems += '<li class="yvideo-item" style="float: left; height: 100%; width: ' + conWidth + 'px;">'
+ '<video id="' + tagId + '" class="yvideo-play video-js" controls preload="auto" width="' + conWidth + '" height="' + conHeight + '" poster="' + opt.imgArray[index].url + '" data-setup="{}">'
+ '<source src="' + opt.imgArray[index].redirect + '"></source>'
+ '</video>'
+ '</li>'
videoIds.push(tagId)
} else {
sliderItems += '<li style="float:left; height: 100%; width: ' + conWidth + 'px;">'
+ '<a href="javascript:void(0);">'
+ '<img\ v-url="' + opt.imgArray[index].redirect + '" src="' + opt.imgArray[index].url + '"\ alt="' + opt.imgArray[index].detail + '"\ style="width: 100%;">'
+ '<button class="video-play" v-url="' + opt.imgArray[index].redirect + '" style="position:absolute; top:35%; left:' + conWidth*(i+0.4)+ 'px; border: 2px solid #fff; border-radius: 50%; background: rgba(43, 51, 63, 0.6); height: 60px; width: 60px; "><div v-url="' + opt.imgArray[index].redirect + '" style="position:relative;left:16px;width:0;height:0;transform: rotate(45deg);border:8px solid;border-color: #fff #fff transparent transparent;"></div></button>'
+ '</a></li>'
}
} else {
sliderItems += '<li style="float: left; height: 100%; width: ' + conWidth + 'px;display:-webkit-box;display:-webkit-flex;display:-ms-flexbox;display:flex;-webkit-box-align:center;-webkit-align-items:center;-ms-flex-align:center;align-items:center;-webkit-box-pack: center;-webkit-justify-content:center;-ms-flex-pack:center;justify-content:center;">'
+ (opt.imgArray[index].redirect ? '<a href="' + opt.imgArray[index].redirect + '">' : '<a>')
+ '<img src="' + opt.imgArray[index].url + '" alt="' + opt.imgArray[index].detail + '" style="width: 100%;height: auto;">'
+ '</a></li>'
}
}
sliderNode += sliderItems
if(opt.showCircle && imgLength > 1) {
sliderNode += '</ul><ul class="ysclider-circles" style="position: relative; bottom: 30px; margin: auto; width:'+ (18 * imgLength) +'px;">'
for(var i=0; i<imgLength; i++) {
sliderNode += '<li style="margin-right: 5px; display: inline-block;">'
+ '<span class="ysclider-circle" style="display: block; width: 10px; height: 10px; border: 1px solid #ddd; border-radius: 50%; background: transparent;"></span></li>'
}
}
sliderNode += '</ul></div>'
container.innerHTML = sliderNode
}
//初始化函数
var ysInit = function(cColor, showCircle, autoplay, inval) {
imgsNode = document.getElementById('yslider-imglist')
if(showCircle) {
circlesNode = document.getElementsByClassName('ysclider-circle')
circleColor = cColor || '#00F5FF'
//初始化，第一个园点加上样式
if(circlesNode.length > 0) {
circlesNode[0].style.backgroundColor = circleColor
circlesNode[0].style.borderColor = circleColor
}
}
autoPlay = autoplay
interval = (inval * 1000) || 3000
}
//图片切换函数
var ysChangeImg = function(index) {
if(imgLength === 1) {
return
}
if(index == 'next') {
currentIndex++
} else if(index == 'prev') {
currentIndex--
} else {
currentIndex = index
}
currentIndex = currentIndex < 0 ? (imgLength - 1) : (currentIndex % imgLength)
var circleIndex = currentIndex % imgLength
//移动图片
imgsNode.style.marginLeft = '-' + (currentIndex * conWidth) + 'px'
//圆点
if(circlesNode) {
for(var i = 0; i < imgLength; i++) {
if(circleIndex === i) {
circlesNode[i].style.backgroundColor = circleColor
circlesNode[i].style.borderColor = circleColor
} else {
circlesNode[i].style.backgroundColor = ''
circlesNode[i].style.borderColor = '#ddd'
}
}
}
}
//视频播放
var ysPlayVideo = function(enable, cb) {
//注册 video 事件
for(var i = 0; i < videoIds.length; i ++) {
videojs(videoIds[i], {}, function onPlayerReady() {
var vsrc = this.children()[0].currentSrc
this.on('play', function() {
clearInterval(intervalFlag)
isPlaying = true
cb({status: 'play', src: vsrc})
})
this.on('pause', function() {
this.exitFullscreen()
cb({status: 'pause', src: vsrc})
})
this.on('ended', function() {
this.exitFullscreen()
isPlaying = false
ysAutoPlay()
cb({status: 'ended', src: vsrc})
})
})
}
}
//自动播放函数
var ysAutoPlay = function() {
autoPlay && (intervalFlag = setInterval(function() { ysChangeImg('next')}, interval))
}
//手动播放函数
var ysManualPlay = function(cb) {
var ySlideroffsetX = 0
var ySliderStartX = 0
var touchEvt = function(evt) {
var e = evt || window.event
var touch = e.touches[0]
switch(e.type) {
case 'touchstart':
e.preventDefault()
ySliderStartX = touch.pageX
clearInterval(intervalFlag)
break
case 'touchmove':
e.preventDefault()
if(imgLength > 1) {
ySlideroffsetX = touch.pageX - ySliderStartX
imgsNode.style.marginLeft = '-' + (currentIndex * conWidth - ySlideroffsetX) + 'px'
}
break
case 'touchend':
e.preventDefault()
if(ySlideroffsetX < 3 && ySlideroffsetX > -3) { //点击图片
var vsrc = e.target.getAttribute('v-url')
if(vsrc) {
cb({status: 'play', src: vsrc})
} else if(e.target.tagName === "IMG") {
imgsNode.childNodes[currentIndex].childNodes[0].click()
cb({status: 'showimg', src: e.target.src})
} else if(e.target.tagName === 'VIDEO' || e.target.tagName === "DIV" || e.target.tagName === 'BUTTON') {
return false
}
} else if(ySlideroffsetX < -50) {
ysChangeImg('next') //左滑下一页
} else if(ySlideroffsetX > 50) {
ysChangeImg('prev') //右划上一页
} else { //滑动距离小，恢复
imgsNode.style.marginLeft = '-' + (currentIndex * conWidth) + 'px'
}
ySlideroffsetX = 0 //清空偏移
ySliderStartX = 0 //清空起始坐标
!isPlaying && ysAutoPlay() //恢复自动轮播
break
case 'touchcancel':
e.preventDefault()
if(ySlideroffsetX < 3 && ySlideroffsetX > -3) { //点击图片
var vsrc = e.target.getAttribute('v-url')
if(vsrc) {
cb({status: 'play', src: vsrc})
} else if(e.target.tagName === "IMG") {
imgsNode.childNodes[currentIndex].childNodes[0].click()
} else if(e.target.tagName === 'VIDEO' || e.target.tagName === "DIV" || e.target.tagName === 'BUTTON') {
return false
}
} else if(ySlideroffsetX < -50) {
ysChangeImg('next') //左滑下一页
} else if(ySlideroffsetX > 50) {
ysChangeImg('prev') //右划上一页
} else { //滑动距离小，恢复
imgsNode.style.marginLeft = '-' + (currentIndex * conWidth) + 'px'
}
ySlideroffsetX = 0 //清空偏移
ySliderStartX = 0 //清空起始坐标
!isPlaying && ysAutoPlay() //恢复自动轮播
break
default:
break
}
}
imgsNode.addEventListener('touchstart', touchEvt, false)
imgsNode.addEventListener('touchmove', touchEvt, false)
imgsNode.addEventListener('touchend', touchEvt, false)
imgsNode.addEventListener('touchcancel', touchEvt, false)
}
var YS = function(opt, cb) {
if(!opt.target) {
throw '[error]: Yslider - slider container DOM id target can not be null'
}
if(opt.autoplay !== undefined && typeof opt.autoplay !== 'boolean') {
throw '[error]: Yslider - type of autoplay is boolean'
}
if(opt.interval !== undefined && typeof opt.interval !== 'number') {
throw '[error]: Yslider - type of images change interval is number'
}
if(opt.imgArray === undefined) {
throw '[error]: Yslider - slider\'s imgArray (image list array) can not be null'
}
if(opt.imgArray.constructor.toString().indexOf('Array') === -1) {
throw '[error]: Yslider - type of imgArray is array'
}
if(opt.showCircle !== undefined && typeof opt.showCircle !== 'boolean') {
throw '[error]: Yslider - type of showCircle is boolean'
}
if(opt.enable !== undefined && typeof opt.enable !== 'boolean') {
throw '[error]: Yslider - type of enable is boolean'
}
//生成 slider DOM
ysGenDom(opt)
//初始化参数
ysInit(opt.circleColor, opt.showCircle, opt.autoplay, opt.interval)
//自动播放
ysAutoPlay()
//手动播放注册
ysManualPlay(cb)
//播放器事件注册
if(videoIds.length > 0) {
ysPlayVideo(opt.enable !== undefined ? opt.enable : true, cb)
}
}
return YS
}())
//如果采用模块化打包的时候加上这句
// module.exports = Yslider