this.speech = new SpeechSynthesisUtterance();
let speech = this.speech;
speech.text = textMsg.value // 获取并设置说话时的文本
speechSynthesis.speak(speech);
const text = '测试文字'
this.testAudio = new Audio()
this.testAudio.src = 'https://tts.baidu.com/text2audio?lan=zh&ie=UTF-8&spd=5&&text=' + text
this.testAudio.muted = false
this.testAudio.play()