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76 lines
1.4 KiB
76 lines
1.4 KiB
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/** |
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* 语音工具 |
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*/ |
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export class SpeakingTool { |
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private static instance: SpeakingTool; |
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static get Instance() { |
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if (SpeakingTool.instance == null) { |
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SpeakingTool.instance = new SpeakingTool(); |
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} |
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return SpeakingTool.instance; |
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} |
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/** |
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* 阅读一段文字 |
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* 会清空已有的阅读列表 |
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* @param msg |
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*/ |
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speak(msg: string) { |
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console.log("阅读" + msg); |
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if (this.isIE()) { |
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} |
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else { |
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this.clear(); |
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let speakMsg = new SpeechSynthesisUtterance(msg); |
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speakMsg.lang = "zh-CN"; |
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speakMsg.rate = 1; |
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speakMsg.pitch = 1.5; |
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window.speechSynthesis.speak(speakMsg); |
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return speakMsg; |
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} |
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} |
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/** |
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* 暂停正在进行的阅读 |
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* @param speakMsg |
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*/ |
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pause() { |
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window.speechSynthesis.pause(); |
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} |
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/** |
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* 继续之前暂停的阅读 |
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*/ |
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resume() { |
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window.speechSynthesis.resume(); |
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} |
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/** |
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* 清空进行中的阅读 |
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*/ |
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clear() { |
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window.speechSynthesis.cancel(); |
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} |
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/** |
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* IE浏览器 |
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*/ |
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private isIE() { |
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// if ("ActiveXObject" in window) { |
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// console.log("IE 浏览器") |
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// return true; |
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// } |
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// else { |
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// return false; |
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// } |
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return false; |
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} |
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} |