微信小程序实现录音功能

<!--pages/index/release/release.wxml--> <scroll-view> <view wx:if="{{voices}}"> <block wx:for="{{voices}}"> <view> <view> <view data-key="{{item.filePath}}" bindtap="gotoPlay"> <view>存储路径:{{item.filePath}}</view> <view>存储时间:{{item.createTime}}</view> <view>音频大小:{{item.size}}KB</view> </view> </view> </view> </block> </view> </scroll-view> <view wx:if="{{isSpeaking}}"> <image src="https://www.jb51.net/images/speak.png"></image> <image wx:if="{{j==2}}" src="https://www.jb51.net/images/speak.png"></image> <image wx:if="{{j==3}}" src="https://www.jb51.net/images/speak.png"></image> <image wx:if="{{j==4}}" src="https://www.jb51.net/images/speak.png"></image> <image wx:if="{{j==5}}" src="https://www.jb51.net/images/speak_end.png"></image> </view> <view> <button bindtouchstart="touchdown" bindtouchend="touchup">按住 录音</button> </view>

release.wxss

/* pages/index/release/release.wxss */ .microphone{ position:fixed; left: 250rpx; bottom: 0; height: 240rpx; width: 240rpx; border-radius: 20rpx; margin: 50% auto; background: #26A5FF; } .item-style{ margin-top: 30rpx; margin-bottom: 30rpx; } .text-style{ text-align: center; } .record-style{ position: fixed; bottom: 0; left: 0; height: 120rpx; width: 100%; } .btn-style{ margin-left: 30rpx; margin-right: 30rpx; } .sound-style{ position: absolute; width: 74rpx; height:150rpx; margin-top: 45rpx; margin-left: 83rpx; } .board { overflow: hidden; border-bottom: 2rpx solid #26A5FF; } /*列布局*/ .cell{ display: flex; margin: 20rpx; } .cell-hd{ margin-left: 10rpx; color: #885A38; } .cell .cell-bd{ flex:1; position: relative; } /**只显示一行*/ .date{ font-size: 30rpx; text-overflow: ellipsis; white-space:nowrap; overflow:hidden; }

release.js

// pages/index/release/release.js var app = getApp() Page({ data: { j: 1,//帧动画初始图片 isSpeaking: false,//是否正在说话 voices: [],//音频数组 }, onLoad: function () { }, //手指按下 touchdown: function () { console.log("手指按下了...") console.log("new date : " + new Date) var _this = this; speaking.call(this); this.setData({ isSpeaking: true }) //开始录音 wx.startRecord({ success: function (res) { //临时路径,下次进入小程序时无法正常使用 var tempFilePath = res.tempFilePath console.log("tempFilePath: " + tempFilePath) //持久保存 wx.saveFile({ tempFilePath: tempFilePath, success: function (res) { //持久路径 //本地文件存储的大小限制为 100M var savedFilePath = res.savedFilePath console.log("savedFilePath: " + savedFilePath) } }) wx.showToast({ title: '恭喜!录音成功', icon: 'success', duration: 1000 }) //获取录音音频列表 wx.getSavedFileList({ success: function (res) { var voices = []; for (var i = 0; i < res.fileList.length; i++) { //格式化时间 var createTime = new Date(res.fileList[i].createTime) //将音频大小B转为KB var size = (res.fileList[i].size / 1024).toFixed(2); var voice = { filePath: res.fileList[i].filePath, createTime: createTime, size: size }; console.log("文件路径: " + res.fileList[i].filePath) console.log("文件时间: " + createTime) console.log("文件大小: " + size) voices = voices.concat(voice); } _this.setData({ voices: voices }) } }) }, fail: function (res) { //录音失败 wx.showModal({ title: '提示', content: '录音的姿势不对!', showCancel: false, success: function (res) { if (res.confirm) { console.log('用户点击确定') return } } }) } }) }, //手指抬起 touchup: function () { console.log("手指抬起了...") this.setData({ isSpeaking: false, }) clearInterval(this.timer) wx.stopRecord() }, //点击播放录音 gotoPlay: function (e) { var filePath = e.currentTarget.dataset.key; //点击开始播放 wx.showToast({ title: '开始播放', icon: 'success', duration: 1000 }) wx.playVoice({ filePath: filePath, success: function () { wx.showToast({ title: '播放结束', icon: 'success', duration: 1000 }) } }) } }) //麦克风帧动画 function speaking() { var _this = this; //话筒帧动画 var i = 1; this.timer = setInterval(function () { i++; i = i % 5; _this.setData({ j: i }) }, 200); }

内容版权声明:除非注明,否则皆为本站原创文章。

转载注明出处:http://www.heiqu.com/5f32cfb6b1a3c091b4853be9ff2aad71.html