Index: ssts-web/src/main/webapp/js/speaker.js
===================================================================
diff -u -r28861 -r29102
--- ssts-web/src/main/webapp/js/speaker.js	(.../speaker.js)	(revision 28861)
+++ ssts-web/src/main/webapp/js/speaker.js	(.../speaker.js)	(revision 29102)
@@ -40,6 +40,9 @@
     }
 }
 
+var synth;
+var googleSpeack;
+
 /**
  * tts语音引擎
  */
@@ -65,8 +68,8 @@
 						this.sapi.Speak(msg,1); 
 					}
 				}else {
-					var synth = window.speechSynthesis;
-					var googleSpeack = new SpeechSynthesisUtterance();
+					synth = window.speechSynthesis;
+					googleSpeack = new SpeechSynthesisUtterance();
 					//汉语
 					googleSpeack.lang = 'zh-CN';
 					googleSpeack.rate = 1;
@@ -83,6 +86,19 @@
 		this.enabled = enable;
 		this.init();
 	}
+
+	//关闭语音提示
+	this.cancel = function(){
+		if(IEVersion()){
+			if(this.sapi){
+				this.sapi.Speak('',2); 
+			}
+		}else {
+			googleSpeack.text = '';
+			googleSpeack.lang = "zh-CN";
+			synth.cancel(googleSpeack);
+		}
+	}
 }
 /**
  * 全局tts语音引擎对象