百度智能小程序官方Demo

/** * @file test for getRecorderManager api * @author haoyang */ /* globals Page, swan */ /* eslint-disable new-cap */ Page({ data: { title: 'start/stopRecord、play/stopVoice', isend: false, // 是否停止录制 isrecord: false, // 是否正在录制 isplay: false, // 是否正在播放 startTime: '00:00:00', endTime: '', num: 0 }, onLoad() { let self = this; self.options = { duration: 60000, sampleRate: 44100, numberOfChannels: 1, encodeBitRate: 96000, format: 'aac' }; self.recorderManager = swan.getRecorderManager(); // 创建录音实例 self.syncTimer; }, getRecord() { // 开始/结束录音 let self = this; let isrecord = self.getData('isrecord'); if (!isrecord) { self.setData('isrecord', true); self.recorderManager.start(self.options); self.recorderManager.onStart(function () { self.timeRecoder(0); }); } else { let endTime = self.getData('startTime'); self.setData({ 'isrecord': false, 'isend': true, 'endTime': endTime, 'startTime': '00:00:00' }); self.recorderManager.stop(); self.syncTimer && clearInterval(self.syncTimer); self.recorderManager.onStop(function (res) { const {tempFilePath} = res; self.tempFilePath = tempFilePath; }); } }, playRecord() { // 创建音频实例，播放/暂停音频 let self = this; let isplay = !self.getData('isplay'); let num = self.getData('num'); self.setData('isplay', isplay); if (self.innerAudioContext) { self.innerAudioContext.destroy(); } self.innerAudioContext = swan.createInnerAudioContext(); self.innerAudioContext.src = self.tempFilePath; if (isplay) { self.innerAudioContext.play(); self.timeRecoder(0); self.innerAudioContext.onEnded(function () { self.setData({ 'isplay': false, 'startTime': '00:00:00' }); swan.showToast({ 'title': '录音自然结束' }); self.syncTimer && clearInterval(self.syncTimer); }); } else { self.innerAudioContext.pause(); this.syncTimer && clearInterval(this.syncTimer); } }, deleteRecord() { // 停止播放音频，摧毁语音实例 this.setData({ 'isend': false, 'isplay': false, 'isrecord': false, 'startTime': '00:00:00' }); this.isFirstPlay = true; this.syncTimer && clearInterval(this.syncTimer); if (this.innerAudioContext) { this.innerAudioContext.stop(); this.innerAudioContext.destroy(); } }, onHide() { // 监听页面隐藏时重置计时器及摧毁语音实例 let endStatus = this.getData('isend'); if (!endStatus) { // 未结束录音前隐藏小程序，回退到录音初始状态 this.setData({ 'isrecord': false, 'startTime': '00:00:00' }); this.syncTimer && clearInterval(this.syncTimer); this.recorderManager.stop(); } else { // 录音结束隐藏小程序，回退到录音播放状态 this.setData({ 'isplay': false, 'startTime': '00:00:00' }); this.syncTimer && clearInterval(this.syncTimer); if (this.innerAudioContext) { this.innerAudioContext.pause(); } } }, onUnload() { // 监听页面卸载时摧毁语音实例 if (this.innerAudioContext) { this.innerAudioContext.stop(); this.innerAudioContext.destroy(); } }, formatTime(name) { name = name.toString(); return name.length !== 1 ? name : '0' + name; }, timeRecoder(init) { // 录音计时器 let self = this; let hour; let minute; let second; clearInterval(self.syncTimer); self.syncTimer = setInterval(function () { init++; if (init < 3600) { minute = self.formatTime(parseInt(init / 60, 10)); second = self.formatTime(parseInt(init % 60, 10)); hour = '00'; } else { hour = self.formatTime(parseInt(init / 3600, 10)); minute = self.formatTime(parseInt((init - 3600) / 60, 10)); second = self.formatTime(parseInt((init - 3600) % 60, 10)); } self.setData({ 'startTime': hour + ':' + minute + ':' + second, 'num': init }); }, 1000); } });