{"id":322,"date":"2015-09-02T00:39:55","date_gmt":"2015-09-02T00:39:55","guid":{"rendered":"http:\/\/www.nywzjs.com\/?p=322"},"modified":"2015-09-02T00:39:55","modified_gmt":"2015-09-02T00:39:55","slug":"html5-audio%e6%a0%87%e7%ad%be%e4%bd%bf%e7%94%a8js%e8%bf%9b%e8%a1%8c%e6%92%ad%e6%94%be%e6%8e%a7%e5%88%b6%e5%ae%9e%e4%be%8b","status":"publish","type":"post","link":"http:\/\/www.nywzjs.com\/?p=322","title":{"rendered":"HTML5 audio\u6807\u7b7e\u4f7f\u7528js\u8fdb\u884c\u64ad\u653e\u63a7\u5236\u5b9e\u4f8b"},"content":{"rendered":"

<audio>\u6807\u7b7e\u53ef\u4ee5\u5728HTML5\u6d4f\u89c8\u5668\u4e2d\u64ad\u653e\u97f3\u9891\u6587\u4ef6\u3002
\n<audio>\u9ed8\u8ba4\u63d0\u4f9b\u4e00\u4e2a\u63a7\u5236\u9762\u677f\uff0c\u4f46\u662f\u6709\u4e9b\u65f6\u5019\u6211\u4eec\u53ea\u9700\u8981\u64ad\u653e\u58f0\u97f3\uff0c\u63a7\u5236\u9762\u677f\u7531\u6211\u4eec\u81ea\u5df1\u6765\u5b9a\u4e49\u5176\u663e\u793a\u7684\u72b6\u6001\u3002
\n\u8fd9\u91cc\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528JS\u6765\u8fdb\u884c\u63a7\u5236\uff0c\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n

\u4ee3\u7801\u5982\u4e0b:<\/p>\n

var audio ;
\nwindow.onload = function(){
\ninitAudio();
\n}
\nvar initAudio = function(){
\n\/\/audio = document.createElement(\"audio\")
\n\/\/audio.src='Never Say Good Bye.ogg'
\naudio = document.getElementById('audio');
\n}
\nfunction getCurrentTime(id){
\nalert(parseInt(audio.currentTime) + '\uff1a\u79d2');
\n}<\/p>\n

function playOrPaused(id,obj){
\nif(audio.paused){
\naudio.play();
\nobj.innerHTML='\u6682\u505c';
\nreturn;
\n}
\naudio.pause();
\nobj.innerHTML='\u64ad\u653e';
\n}<\/p>\n

function hideOrShowControls(id,obj){
\nif(audio.controls){
\naudio.removeAttribute('controls');
\nobj.innerHTML = '\u663e\u793a\u63a7\u5236\u6846'
\nreturn;
\n}
\naudio.controls = 'controls';
\nobj.innerHTML = '\u9690\u85cf\u63a7\u5236\u6846'
\nreturn;
\n}
\nfunction vol(id,type , obj){
\nif(type == 'up'){
\nvar volume = audio.volume + 0.1;
\nif(volume >=1 ){
\nvolume = 1 ;<\/p>\n

}
\naudio.volume = volume;
\n}else if(type == 'down'){
\nvar volume = audio.volume - 0.1;
\nif(volume <=0 ){
\nvolume = 0 ;
\n}
\naudio.volume = volume;
\n}
\ndocument.getElementById('nowVol').innerHTML = returnFloat1(audio.volume);
\n}
\nfunction muted(id,obj){
\nif(audio.muted){
\naudio.muted = false;
\nobj.innerHTML = '\u5f00\u542f\u9759\u97f3';
\n}else{
\naudio.muted = true;
\nobj.innerHTML = '\u5173\u95ed\u9759\u97f3';
\n}
\n}
\n\/\/\u4fdd\u7559\u4e00\u4f4d\u5c0f\u6570\u70b9<\/p>\n

function returnFloat1(value) {
\nvalue = Math.round(parseFloat(value) * 10) \/ 10;
\nif (value.toString().indexOf(\".\") < 0){
\nvalue = value.toString() + \".0\";
\n}
\nreturn value;
\n}<\/p><\/blockquote>\n

\u8c03\u7528\u65b9\u5f0f\u5982\u4e0b\uff1a<\/p>\n

<a href=\"javascript:void(0);\" onclick=\"getCurrentTime('firefox');\">\u83b7\u53d6\u64ad\u653e\u65f6\u95f4<\/a>
\n<a href=\"javascript:void(0);\" onclick=\"playOrPaused('firefox',this);\">\u64ad\u653e<\/a>
\n<a href=\"javascript:void(0);\" onclick=\"hideOrShowControls('firefox',this);\">\u9690\u85cf\u63a7\u5236\u6846<\/a>
\n<a href=\"javascript:void(0);\" onclick=\"muted('firefox',this);\">\u5f00\u542f\u9759\u97f3<\/a>
\n<input type=\"button\" value=\"+\" id=\"upVol\" onclick=\"vol('firefox' , 'up' , this )\"\/>\u97f3\u91cf<input type=\"button\" value=\"-\" onclick=\"vol('firefox' , 'down' ,this )\"\/>
\n<audio src=\"\/images\/audio\/Never Say Good Bye.ogg\" id=\"audio\" controls=\"controls\" ><\/audio><\/p>\n

\u5f53\u524d\u97f3\u91cf\uff1a<span id = \"nowVol\"> - <\/span><\/p><\/blockquote>\n

\u6b64\u5916\uff0c\u8fd9\u6bb5\u4ee3\u7801\u53ef\u4ee5\u505a\u5982\u4e0b\u4fee\u6539\uff1a<\/p>\n

<a href=\"javascript:void(0);\" onclick=\"playOrPaused('audio1',this);\">\u64ad\u653e<\/a><br><\/p>\n

<a href=\"javascript:void(0);\" onclick=\"playOrPaused('audio2',this);\">\u64ad\u653e<\/a>
\n<audio id=\"audio1\" src=\"147.mp3\"><\/audio>
\n<audio id=\"audio2\" src=\"144.mp3\"><\/audio><\/p>\n

<script type=\"text\/javascript\">
\nvar audio ;
\nfunction playOrPaused(id,obj){
\naudio = document.getElementById(id);
\nif(audio.paused){
\naudio.play();
\nobj.innerHTML='\u6682\u505c';
\nreturn;
\n}
\naudio.pause();
\nobj.innerHTML='\u64ad\u653e';
\n}
\n<\/script><\/p>\n

 <\/p><\/blockquote>\n

\u8fd9\u6837\u5373\u53ef\u5b9e\u73b0\u4e00\u4e2a\u9875\u9762\u9762\u64ad\u653e\u591a\u4e2a\u5185\u5bb9\uff0c\u5355\u4e2a\u8fdb\u884c\u63a7\u5236\u7684\u529f\u80fd\u3002<\/p>\n

\u9644<\/p>\n","protected":false},"excerpt":{"rendered":"

<audio>\u6807\u7b7e\u53ef\u4ee5\u5728HTML5\u6d4f\u89c8\u5668\u4e2d\u64ad\u653e\u97f3\u9891\u6587\u4ef6\u3002 <audio>\u9ed8\u8ba4\u63d0\u4f9b\u4e00\u4e2a\u63a7 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11],"tags":[93,76,92],"_links":{"self":[{"href":"http:\/\/www.nywzjs.com\/index.php?rest_route=\/wp\/v2\/posts\/322"}],"collection":[{"href":"http:\/\/www.nywzjs.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.nywzjs.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.nywzjs.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.nywzjs.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=322"}],"version-history":[{"count":0,"href":"http:\/\/www.nywzjs.com\/index.php?rest_route=\/wp\/v2\/posts\/322\/revisions"}],"wp:attachment":[{"href":"http:\/\/www.nywzjs.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=322"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.nywzjs.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=322"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.nywzjs.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=322"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}