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| | | <!DOCTYPE html>
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| | | <html>
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| | | <head>
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| | | <meta charset="UTF-8">
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| | | <meta name="viewport" content="width=device-width, initial-scale=1">
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| | | <title>H5语音播报功能</title>
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| | | <style>
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| | | article {margin: 0 auto;max-width: 800px;text-align: center;}
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| | | textarea {max-width: 600px;width:100%;text-align: left;}
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| | | button{border-radius: 3px;border: 1px solid #dddddd;height: 30px;width: 80px;cursor: pointer;}
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| | | </style>
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| | | <link rel="stylesheet" href="src/css/layui.css">
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| | | </head>
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| | | <body>
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| | | 我是语音播报
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| | | </body>
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| | | <script type="text/javascript" src="src/layui.all.js"></script>
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| | | <script>
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| | | |
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| | | // 设置语音播报对象
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| | | var Voice = function() {
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| | | this.speak = window.speechSynthesis;
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| | | this.voice = '';
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| | | this.zh_CN = false;
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| | | this._setLang(); // 获取并检测是否有中文的环境
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| | | };
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| | | // 播报语音
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| | | Voice.prototype.play = function(txt) {
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| | | if(!this.zh_CN) {
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| | | if(layer) {
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| | | layer.msg('你的电脑不支持中文播报！');
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| | | }else {
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| | | alert('你的电脑不支持中文播报！');
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| | | }
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| | | return;
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| | | }
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| | | this.cancel();
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| | | var to_speak = new SpeechSynthesisUtterance(txt);
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| | | to_speak.voice = this.voice; // 设定中文播报
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| | | this.speak.speak(to_speak);
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| | | };
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| | | // 退出当前播报
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| | | Voice.prototype.cancel = function() {
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| | | this.speak.cancel();
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| | | };
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| | | // 检查当前语言环境
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| | | Voice.prototype._setLang = function() {
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| | | var _this = this;
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| | | setTimeout(function(){
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| | | var voices = _this.speak.getVoices();
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| | | for(var i=0; i<voices.length; i++) {
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| | | var _voices = voices[0];
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| | | if(_voices.lang === 'zh-CN') {
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| | | _this.zh_CN = true;
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| | | _this.voice = _voices;
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| | | }
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| | | }
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| | | }, 0);
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| | | };
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| | | var voice = new Voice();
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| | | setTimeout(function() {
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| | | voice.play('我是语音播报');
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| | | }, 3000);
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| | | </script>
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| | |
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| | | </html> |
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