告警语音播报

LiJun

2018-10-30 1c02e66149af3199dad71e3fb93c36b3f7e871b9

 gx_tieta/WebRoot/js/VoiceUtil.js

@@ -3,26 +3,66 @@
   this.speak = window.speechSynthesis;

   this.voice = '';

   this.zh_CN = false;

   this._setLang();   // 获取并检测是否有中文的环境

   this.rate = 1.5; 
   this._setLang();         // 获取并检测是否有中文的环境

   this.timeInterval = 28;      //循环间隔(秒)

   this.speak_enable = true;         //ture:开启语音播报         false:停止语音播报

};



// 播报语音      (调用发声的方法时请使用延时发声)

Voice.prototype.play = function(txt) {

Voice.prototype.play = function(txt,callback) {

   if(!this.zh_CN) {

      console.info('你的电脑不支持中文播报！');      

   }

   console.info(this.zh_CN);

   _timeInterval = this.timeInterval;

   //console.info(this.zh_CN);

   if(!this.speak_enable){                           //识别是否开启声音播报

      if(callback && typeof callback == 'function'){

         setTimeout(function(){

            callback();

         }, Math.abs(_timeInterval)*1000);

      }

      return;

   }

   this.cancel();

   var to_speak = new SpeechSynthesisUtterance(txt);

   to_speak.voice = this.voice;   // 设定中文播报



   to_speak.rate = this.rate;

   console.info(to_speak);

   this.speak.speak(to_speak);

   

   var starttime = new Date();

   to_speak.onend = function(event) {	
      //console.info(event);

      if(callback && typeof callback == 'function'){

         var endtime = new Date();

         var timelong = (endtime.getTime()-starttime.getTime())/1000;

         console.info(parseInt(_timeInterval)+"==="+parseInt(timelong));

         if(timelong > this.timeInterval){				
            callback();

         }else{

            setTimeout(function(){

               callback();

            }, Math.abs(_timeInterval-timelong)*1000);

         }

      }

   };

	
   to_speak.onerror = function(event) {	
      //console.info(event);

   };

};



// 退出当前播报

Voice.prototype.cancel = function() {

   this.speak.cancel();

};





//停止语音播报

Voice.prototype.stopSpeak = function() {

   this.speak.cancel();

   this.speak_enable = false;

};



// 检查当前语言环境

@@ -41,4 +81,7 @@
   }, 0);

};







var voice = new Voice();

voice.cancel();