[修改]预警声音改变

src/app/pages/home/home.component.ts

@@ -160,17 +160,18 @@ export class HomeComponent implements OnInit {
   messageId = [];
   receiptOfNotification(userNotification) {
     // console.log('语音播报')
-    if (!window.speechSynthesis) {
-      this.message.create("warning", `该游览器不支持语音播报`);
-    } else {
-      let speakMsg = new SpeechSynthesisUtterance(
-        "请注意,收到一条新的预警信息,请及时处理!"
-      );
-      speakMsg.lang = "zh-CN";
-      speakMsg.rate = 1;
-      speakMsg.pitch = 1.5;
-      window.speechSynthesis.speak(speakMsg);
-    }
+    // if (!window.speechSynthesis) {
+    //   this.message.create("warning", `该游览器不支持语音播报`);
+    // } else {
+    //   let speakMsg = new SpeechSynthesisUtterance(
+    //     "请注意,收到一条新的预警信息,请及时处理!"
+    //   );
+    //   speakMsg.lang = "zh-CN";
+    //   speakMsg.rate = 1;
+    //   speakMsg.pitch = 1.5;
+    //   window.speechSynthesis.speak(speakMsg);
+    // }
+    this.Sound()
     let obj = {
       id: userNotification.notification.entityId,
       messageId: this.notificationService.template(this.template!, {
@@ -523,4 +524,10 @@ export class HomeComponent implements OnInit {
       console.log("[afterClose] The result is:", result)
     );
   }
+
+  Sound(){
+    var mp3Url = "../../../assets/sound/warning.mp3";
+    var player = new Audio(mp3Url);
+    player.play(); //播放 mp3这个音频对象
+  }
 }