91 lines
2.3 KiB
Vue
91 lines
2.3 KiB
Vue
<template>
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<view class="container">
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<button @click="startRecord">开始录音</button>
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<button @click="stopRecord">停止录音</button>
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<view class="tip">{{ status }}</view>
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</view>
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</template>
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<script>
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export default {
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data() {
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return {
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status: "未录音",
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recorder: null, // 录音实例
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recordTimer: null, // 定时读取定时器
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};
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},
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onUnload() {
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// 页面卸载清理资源
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this.stopRecord();
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},
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methods: {
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// 申请录音权限
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async applyRecordPermission() {
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const res = await uni.requestPermissions({ scope: "scope.record" });
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return res[0].grantStatus === 1; // 1 表示授权成功
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},
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// 开始录音
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async startRecord() {
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// 权限校验
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const hasPermission = await this.applyRecordPermission();
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if (!hasPermission) {
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this.status = "未授权录音权限，请在设置中开启";
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return;
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}
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// 初始化录音实例（WAV格式，含PCM原始数据）
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this.recorder = plus.audio.createRecorder({
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format: "wav",
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sampleRate: 16000, // 常用采样率，可按需调整
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numberOfChannels: 1, // 单声道
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bitRate: 128000
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});
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// 启动录音
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this.recorder.start();
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this.status = "录音中...";
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// 200ms 定时读取录音数据并打印
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this.recordTimer = setInterval(() => {
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try {
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const audioData = this.recorder.getRecordedData();
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if (audioData && audioData.buffer) {
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// 打印关键信息：数据长度、数据类型
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console.log("当前录音数据长度（字节）:", audioData.buffer.byteLength);
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console.log("录音数据类型:", Object.prototype.toString.call(audioData.buffer));
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}
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} catch (e) {
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console.error("读取录音数据异常:", e);
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}
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}, 200);
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},
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// 停止录音
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stopRecord() {
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if (this.recorder) {
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this.recorder.stop();
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this.recorder = null;
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}
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if (this.recordTimer) {
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clearInterval(this.recordTimer);
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this.recordTimer = null;
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}
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this.status = "录音已停止";
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}
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}
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};
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</script>
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<style scoped>
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.container {
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padding: 20rpx;
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display: flex;
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flex-direction: column;
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gap: 30rpx;
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}
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.tip {
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margin-top: 20rpx;
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color: #666;
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font-size: 28rpx;
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}
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</style> |