本文实例为大家分享了小程序实现录音功能的具体代码,供大家参考,具体内容如下
首先判断权限
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getPermission: function () { var that = this ; wx.getSetting({ success(res) { console.log(res.authSetting) if (res.authSetting[ "scope.record" ] === false ) { wx.showModal({ title: '是否录音' , content: '是否录音' , success: function (tip) { if (tip.confirm) { wx.openSetting({ success: function (data) { if (data.authSetting[ "scope.record" ] === true ) { wx.showToast({ title: '授权成功' , icon: 'success' , duration: 1000 }) that.startLuYin() //授权成功之后,再调用chooseLocation选择地方 } else { wx.showToast({ title: '授权失败' , icon: 'success' , duration: 1000 }) } } }) } } }) } else { that.startLuYin() } } }) }, |
授权成功后开始录音
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startLuYin(){ const options = { duration: 10000 * 6 * 10, //指定录音的时长,单位 ms sampleRate: 16000, //采样率 numberOfChannels: 1, //录音通道数 encodeBitRate: 96000, //编码码率 format: 'mp3' , //音频格式,有效值 aac/mp3 frameSize: 50, //指定帧大小,单位 KB } //开始录音 recorderManager.start(options); recorderManager.onStart(() => { console.log( 'recorder start' ); Countdown( this ); //开始计时 }); //错误回调 recorderManager.onError((res) => { console.log( 'recorder出错:' + res); console.log(res); clearTimeout(timer); //出错时停止计时 }) }, |
暂停录音
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// 暂停录音 pause: function () { var that = this ; recorderManager.pause() recorderManager.onPause((res) => { console.log(res) console.log( '暂停录音' ) clearTimeout(timer); }) }, |
继续录音
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//继续录音 jixu: function () { var that = this ; recorderManager.resume() Countdown(that); //开始计时 recorderManager.onResume((res) => { }) }, |
停止录音
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//停止录音 stop: function () { recorderManager.stop(); recorderManager.onStop((res) => { this .tempFilePath = res.tempFilePath; console.log( '停止录音' , res.tempFilePath) clearTimeout(timer); }) }, |
播放声音
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//播放声音 play: function () { innerAudioContext.autoplay = true innerAudioContext.src = this .tempFilePath, innerAudioContext.onPlay(() => { console.log( '开始播放' ) }) innerAudioContext.onError((res) => { console.log(res.errMsg) console.log(res.errCode) }) }, |
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// 倒计时 function Countdown(that) { timer = setTimeout( function () { console.log( "----secondes----" + formatSeconds(secondes)); secondes++; if (secondes >= 600) { recorderManager.stop(); clearTimeout(timer); } that.setData({ times: formatSeconds(secondes) }); Countdown(that); }, 1000); }; |
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// 时间展示 function formatSeconds(value) { var secondTime = parseInt(value); // 秒 var minuteTime = 0; // 分 var hourTime = 0; // 小时 if (secondTime > 60) { //如果秒数大于60,将秒数转换成整数 //获取分钟,除以60取整数,得到整数分钟 minuteTime = parseInt(secondTime / 60); //获取秒数,秒数取佘,得到整数秒数 secondTime = parseInt(secondTime % 60); //如果分钟大于60,将分钟转换成小时 if (minuteTime > 60) { //获取小时,获取分钟除以60,得到整数小时 hourTime = parseInt(minuteTime / 60); //获取小时后取佘的分,获取分钟除以60取佘的分 minuteTime = parseInt(minuteTime % 60); } } var result; //时间的展示方式为00:00 if (secondTime < 10) { result = "0" + parseInt(secondTime); } else { result = "" + parseInt(secondTime); } if (minuteTime > 0) { if (minuteTime < 10) { result = "0" + parseInt(minuteTime) + ":" + result; } else { result = "" + parseInt(minuteTime) + ":" + result; } } else { result = "00:" + result; } //由于限制时长最多为三分钟,小时用不到 if (hourTime > 0) { result = "" + parseInt(hourTime) + ":" + result; } return result; } |
以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持服务器之家。
原文链接:https://blog.csdn.net/psfalse/article/details/99290072