HTML5 语音合成

aoao72

462人浏览 · 2023-03-01 11:44:11

aoao72 · 2023-03-01 11:44:11 发布

<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8" />
  <meta http-equiv="X-UA-Compatible" content="IE=edge" />
  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
  <title>语音合成</title>
  <style>
    /* input{
        width: 500px;
        height: 200px;
      } */
  </style>
</head>

<body>
  <div>
    <h3>
      <a href="https://blog.csdn.net/yb305/article/details/111219007" target="_blank">
        语音合成使用 文字语音播报
      </a>
    </h3>
    <h3>
      <a href="https://www.jianshu.com/p/92dec635f6c5" target="_blank">
        HTML5语音合成Speech Synthesis API简介
      </a>
    </h3>

    <textarea rows="5" cols="100" id="input" placeholder="请输入内容"></textarea>

    <div>
      <p>
        <label>语言：</label>
        <select id="lange">
          <option value="zh-cn" selected>中文</option>
          <option value="en-US">英文</option>
        </select>
      </p>
      <p>
        <label>音量：</label><input type="range" min="0" max="1" step="0.1" id="volume" />
      </p>
      <p>
        <label>音速：</label><input type="range" min="0" max="10" step="0.1" id="rate" />
      </p>
      <p>
        <label>音色：</label><input type="range" min="0" max="2" step="0.1" id="pitch" />
      </p>
    </div>

    <div>
      <button type="button" id="submit">播报</button>
      <button type="button" id="suspend">暂停</button>
      <button type="button" id="recovery">恢复</button>
      <button type="button" id="stop">停止</button>
    </div>
  </div>

  <script>
    // 1.获取input框输入的内容
    function getValue() {
      //定义全局对象
      const obj = {
        text: "",
        lange: "zh-cn",
        volume: 1,
        rate: 1,
        pitch: 1,
      };
      //点击“播报”按钮
      const Dom = document.getElementById("submit");
      Dom.onclick = function () {
        const value = document.getElementById("input").value;
        if (!value) return;
        console.log("点击获取内容1", value);
        obj.text = value;
        speeck(obj);
      };
      //按下回车键按钮
      window.onkeyup = function (e) {
        // console.log("e",e);
        const value = document.getElementById("input").value;
        if (e.keyCode !== 13 || !value) return;
        console.log("回车获取内容2", value);
        obj.text = value;
        speeck(obj);
      };

      //暂停播报
      const suspend = document.getElementById("suspend");
      suspend.onclick = function () {
        window.plays.pause(); //暂停
      };

      //恢复播报
      const recovery = document.getElementById("recovery");
      recovery.onclick = function () {
        window.plays.resume(); //恢复
      };

      //停止播报
      const stop = document.getElementById("stop");
      stop.onclick = function () {
        window.plays.cancel(); //停止
      };

      //选择语言
      const lange = document.getElementById("lange");
      lange.onchange = function (v) {
        console.log("选择语言", v);
        console.log("选择语言-2", v.target.value);
        obj.lange = v.target.value;
        speeck(obj);
      };

      //选择音量
      const volume = document.getElementById("volume");
      volume.onchange = function (v) {
        console.log("选择音量", v.target.value);
        obj.volume = v.target.value;
        speeck(obj);
      };

      //选择音速
      const rate = document.getElementById("rate");
      rate.onchange = function (v) {
        console.log("选择音速", v.target.value);
        obj.rate = v.target.value;
        speeck(obj);
      };

      //选择音色
      const pitch = document.getElementById("pitch");
      pitch.onclick = function (v) {
        console.log("选择音色", v.target.value);
        obj.pitch = v.target.value;
        speeck(obj);
      };
    }
    //调用执行
    getValue();

    //2.语音播报
    function speeck(data) {
      console.log("播报时", data);
      //SpeechSynthesisUtterance对象，主要用来构建语音合成实例
      window.voice = new window.SpeechSynthesisUtterance();
      // 对象合成方法
      Object.assign(window.voice, data)
      //speechSynthesis对象，主要作用是触发行为，例如读，停，还原
      window.plays = window.speechSynthesis;
      window.plays.speak(window.voice);
    }
  </script>
</body>

</html>