uniapp 朗读

在uniapp中实现朗读功能的方法有很多种。其中一种方法是使用SpeechSynthesisUtterance对象。通过以下代码可以实现朗读功能：

data() {
  return {
    utterThis: null
  }
},
methods: {
  startSpeech() {
    this.utterThis = new SpeechSynthesisUtterance('');
    this.utterThis.pitch = 1; // 音高
    this.utterThis.rate = 1; // 语速
    this.utterThis.volume = 1; // 音量
    this.utterThis.lang = 'zh-CN';
    this.utterThis.text = "要播报的文本内容";
    window.speechSynthesis.speak(this.utterThis); // 开始朗读
  },
  stopSpeech() {
    window.speechSynthesis.cancel(); // 停止朗读
  }
}

上述代码中，我们创建了一个名为utterThis的SpeechSynthesisUtterance对象，并设置了音高、语速、音量和语言等属性。然后将要播报的文本内容赋值给text属性。最后，调用`window.speechSynthesis.speak(this.utterThis)`方法开始朗读。如果需要停止朗读，可以调用`window.speechSynthesis.cancel()`方法。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
#### 引用[.reference_title]
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