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audioPlay.html
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<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<meta name="viewport" content="initial-scale=1.0, maximum-scale=1.0, user-scalable=no" />
<link rel="stylesheet" href="css/common.css"/>
<link rel="stylesheet" href="css/audioPlay.css"/>
<title>happy English</title>
<style>
body{
background: #f68a5c;
}
</style>
</head>
<body>
<div>
<div class="top">
<p class="top_title">Old McDonald Had A Farm</p>
<p class="top_author">by The Kiboomers</p>
</div>
</div>
<div class="vedioShow">
<img src="img/audioPlay/vedio.png" class="vedioImg"/>
</div>
<div class="audio-wrapper">
<audio id="audio">
<source src="http://sc1.111ttt.com/2017/1/11/11/304112002347.mp3" type="audio/mp3">
</audio>
<div class="audio-right">
<div class="progress-bar-bg" id="progressBarBg"><span id="progressDot" style="left:0px"></span>
<div class="progress-bar" id="progressBar"></div>
</div>
<div class="audio-time"><span class="audio-length-current" id="audioCurTime">00:00</span><span class="audio-length-total" id="audio-length-total"></span></div>
</div>
<div class="audio-left"><img id="audioPlayer" src="img/audioPlay/vPlay.png" ></div>
</div>
</body>
<script type="text/javascript" src="js/jquery-3.2.1.min.js" ></script>
<script>
var audio = $('audio')[0];
$(document).ready(function() {
// 控制音频文件名显示宽度
var maxW = $('.audio-right').width();
$('.audio-right p').css({
"max-width": maxW
});
initAudioEvent();
getTime();
dragMove();//并且滚动条开始滑动
});
//计算总时间
function getTime() {
setTimeout(function () {
var duration = $("#audio")[0].duration;
if(isNaN(duration)){
getTime();
}
else{
var allTime=transTime($("#audio")[0].duration);
document.getElementById('audio-length-total').innerHTML=allTime;
}
}, 10);
}
/**
* 初始化音频控制事件
*/
function initAudioEvent() {
// 点击播放/暂停图片时，控制音乐的播放与暂停
$('#audioPlayer').click(function() {
// 监听音频播放时间并更新进度条
audio.addEventListener('timeupdate', function() {
updateProgress(audio);
}, false);
// 监听播放完成事件
audio.addEventListener('ended', function() {
audioEnded();
}, false);
// 改变播放/暂停图片
if(audio.paused) {
// 开始播放当前点击的音频
audio.play();
$('#audioPlayer').attr('src', 'img/audioPlay/vStop.png');
$('.vedioImg').addClass('rotateImg');
} else {
audio.pause();
$('#audioPlayer').attr('src', 'img/audioPlay/vPlay.png');
$('.vedioImg').removeClass('rotateImg');
}
addListenTouch();
});
// 点击进度条跳到指定点播放
$('#progressBarBg').click(function(e) {
// 只有音乐开始播放后才可以调节，已经播放过但暂停了的也可以
if(!audio.paused || audio.currentTime != 0) {
var pgsWidth = $('.progress-bar-bg').width();
var rate = e.offsetX / pgsWidth;
audio.currentTime = audio.duration * rate;
updateProgress(audio);
}
});
/*var dot = document.getElementById('progressDot');
// 鼠标拖动进度点时可以调节进度
// 只有音乐开始播放后才可以调节，已经播放过但暂停了的也可以
// 鼠标按下时
var moveing = false;
function addListenTouch() {
dot.addEventListener("touchstart", touchStart, false);
dot.addEventListener("touchmove", touchMove, false);
dot.addEventListener("touchend", touchEnd, false);
}
function touchStart(e) {
e.preventDefault();
var touch = e.touches[0];
startX = touch.clientX;
}
function touchMove(e) { //滑动
var touch = e.touches[0];
var pgsWidth = $('.progress-bar-bg').width();
var oriLeft = dot.offsetLeft;
var mouseX = touch.clientX;
var maxLeft = oriLeft; // 向左最大可拖动距离
var maxRight = document.getElementById('progressBarBg').offsetWidth - oriLeft; // 向右最大可拖动距离
// 禁止默认的选中事 件（避免鼠标拖拽进度点的时候选中文字）
if(e.preventDefault) {
e.preventDefault();
} else {
e.returnValue = false;
}
// 禁止事件冒泡
if(e && e.stopPropagation) {
e.stopPropagation();
} else {
window.event.cancelBubble = true;
}
var length = touch.clientX - mouseX;
if(length > maxRight) {
length = maxRight;
} else if(length < -maxLeft) {
length = -maxLeft;
}
var pgsWidth = $('.progress-bar-bg').width();
var rate = (oriLeft + length) / pgsWidth;
var nowtime = audio.duration * rate;
audio.currentTime = nowtime;
updateProgress(audio);
}
function touchEnd(e) { //手指离开屏幕
e.preventDefault();
document.onmousemove = null;
document.onmouseup = null;
}
}*/
//进度条
var startX, x, aboveX = 0; //触摸时的坐标 //滑动的距离 //设一个全局变量记录上一次内部块滑动的位置
//1拖动监听touch事件
var dot = document.getElementById('progressDot');
function addListenTouch() {
dot.addEventListener("touchstart", touchStart, false);
dot.addEventListener("touchmove", touchMove, false);
dot.addEventListener("touchend", touchEnd, false);
//var speed = document.getElementById("speed");
}
//touchstart,touchmove,touchend事件函数
function touchStart(e) {
e.preventDefault();
var touch = e.touches[0];
startX = touch.pageX;
}
function touchMove(e) { //滑动
e.preventDefault();
var touch = e.touches[0];
x = touch.pageX - startX; //滑动的距离
//drag.style.webkitTransform = 'translate(' + 0+ 'px, ' + y + 'px)';
dot.style.left = aboveX + x + "px"; //
//speed.style.left = -((window.innerWidth) - (aboveX + x)) + "px";
}
function touchEnd(e) { //手指离开屏幕
e.preventDefault();
aboveX = parseInt(dot.style.left);
var pgsWidth = $('.progress-bar-bg').width();
var touch = e.touches[0];
var dragPaddingLeft = dot.style.left;
var change = dragPaddingLeft.replace("px", "");
numDragpaddingLeft = parseInt(change);
var currentTime = (numDragpaddingLeft / (pgsWidth)) * audio.duration;
audio.currentTime = currentTime;
/*var pgsWidth = $('.progress-bar-bg').width();
var rate = (oriLeft + length) / pgsWidth;
var nowtime = audio.duration * rate;
audio.currentTime = nowtime;*/
/*var pgsWidth = $('.progress-bar-bg').width();
var oriLeft = dot.offsetLeft;//距离左边
var mouseX = touch.clientX;
var maxLeft = oriLeft; // 向左最大可拖动距离
var maxRight = document.getElementById('progressBarBg').offsetWidth - oriLeft; // 向右最大可拖动距离
// 禁止默认的选中事 件（避免鼠标拖拽进度点的时候选中文字）
if(e.preventDefault) {
e.preventDefault();
} else {
e.returnValue = false;
}
// 禁止事件冒泡
if(e && e.stopPropagation) {
e.stopPropagation();
} else {
window.event.cancelBubble = true;
}
var length = touch.clientX - mouseX;
if(length > maxRight) {
length = maxRight;
} else if(length < -maxLeft) {
length = -maxLeft;
}
var pgsWidth = $('.progress-bar-bg').width();
var rate = (oriLeft + length) / pgsWidth;
var nowtime = audio.duration * rate;
audio.currentTime = nowtime;
updateProgress(audio);*/
}
}
//3拖动的滑动条前进
function dragMove() {
setInterval(function() {
var dot = document.getElementById('progressDot');
var value =audio.currentTime / audio.duration;
var value1 =(audio.currentTime / audio.duration)
$('#progressBar').css('width', value * 100 + '%');
dot.style.left=(value1 * 100 + '%');
//dot.style.left = (audio.currentTime / audio.duration) * (window.innerWidth - 30) + "px";
//speed.style.left = -((window.innerWidth) - (audio.currentTime / audio.duration) * (window.innerWidth - 30)) + "px";
}, 500);
}
/**
* 更新进度条与当前播放时间
* @param {object} audio - audio对象
*/
function updateProgress(audio) {
var dot = document.getElementById('progressDot');
var value =audio.currentTime / audio.duration;
$('#progressBar').css('width', value * 100 + '%');
dot.style.left=(value * 100 + '%');
//dot.css('left', value * 100 + '%');
console.log(dot.style.left)
$('#audioCurTime').html(transTime(audio.currentTime));
}
/**
* 播放完成时把进度调回开始的位置
*/
function audioEnded() {
$('#progressBar').css('width', 0);
$('#progressDot').css('left', 0);
$('#audioPlayer').attr('src', 'img/audioPlay/vPlay.png');
$('.vedioImg').removeClass('rotateImg');
$('#audioCurTime').html('00:00');
}
/**
* 音频播放时间换算
* @param {number} value - 音频当前播放时间，单位秒
*/
function transTime(value) {
var time = "";
var h = parseInt(value / 3600);
value %= 3600;
var m = parseInt(value / 60);
var s = parseInt(value % 60);
if(h > 0) {
time = formatTime(h + ":" + m + ":" + s);
} else {
time = formatTime(m + ":" + s);
}
return time;
}
/**
* 格式化时间显示，补零对齐
* eg：2:4 --> 02:04
* @param {string} value - 形如 h:m:s 的字符串
*/
function formatTime(value) {
var time = "";
var s = value.split(':');
var i = 0;
for(; i < s.length - 1; i++) {
time += s[i].length == 1 ? ("0" + s[i]) : s[i];
time += ":";
}
time += s[i].length == 1 ? ("0" + s[i]) : s[i];
return time;
}
</script>
</script>
</html>