首先我们要做的就是长按录音功能，顺带做了个播放录音带进度条功能，效果图及代码如下：

首先我们要做的效果图就是上图这样，下面就贴代码吧。

wxml:

  <view catch:longpress="handleRecordStart" catch:touchmove="handleTouchMove" catch:touchend="handleRecordStop" class="img-content" hoverClass="none" data-key="cover" data-size="1">    <image class="icon-img" mode="aspectFill" src="###"></image>  </view>

录音播放

<!-- 录音 --><view class="audio rel" wx:if="{{audiolist.length>0}}">  <view class="play abs" catchtap='playAudio' data-src="{{audiolist}}">    <!-- <image class="abs play-img" mode="aspectFill" src="https://retail.xiaochengxucms.com/images/12/2018/10/T8A1maB3boAB3A8Sb8yTYBs1b0BmaA.png"></image> -->    <view wx:if="{{isPlayAudio}}">        <image class="abs play-img" mode="aspectFill"  src='/longbing_card/resource/images/stop.png' />      </view>      <view wx:else>        <image class="abs play-img" mode="aspectFill"  src='/longbing_card/resource/images/play.png' />      </view>  </view>  <view class="name abs">{{userName}}</view>  <view class="flex-time">    <view style="font-size: 20rpx;color:#ccc">{{showTime1}}</view>    <view class='slider'>      <slider bindchange='sliderChange' activeColor='red' block-size="12" value='{{audioTime}}' />    </view>    <view style="font-size: 20rpx;color:#ccc">{{showTime2}}</view>  </view></view>

录音播放wxss：

.play-img {
width: 62rpx !important;
height: 62rpx !important;
top: 10rpx;
left: 10rpx;
}

.audio {
width: 100%;
height: 112rpx;
background: rgba(230, 67, 64, 0.49);
border-radius: 8rpx;
margin: 10rpx 0;
}

.play {
width: 63rpx;
height: 63rpx;
top: 20rpx;
left: 40rpx;
}

.name {
font-size: 24rpx;
font-family: PingFang SC;
font-weight: 500;
line-height: 42rpx;
color: rgba(255, 255, 255, 1);
top: 14rpx;
left: 160rpx;
}

.flex-time {
width: 70%;
position: absolute;
display: flex;
align-items: center;
justify-content: flex-start;
left: 25%;
bottom: -10rpx;
}
.slider{
width: 60%;
height: 100%;
}
.slider slider{
width: 88%;
margin-left: 8%;
margin-right: 4%;
}

录音js：

// 录音
handleRecordStart: function(e) {
this.setData({
is_clock: true, //长按时应设置为true，为可发送状态
startPoint: e.touches[0], //记录触摸点的坐标信息
})
//设置录音参数
const options = {
duration: 600000,
sampleRate: 16000,
numberOfChannels: 1,
encodeBitRate: 48000,
format: ‘mp3’
}
//开始录音
recorderManager.start(options);
wx.showLoading({
icon: “none”,
title: ‘正在录音’,
})
},
handleRecordStop: function(e) {
console.log(e)
wx.hideLoading()
recorderManager.stop() //结束录音
//此时先判断是否需要发送录音
if (this.data.is_clock == true) {
var that = this
//对停止录音进行监控
recorderManager.onStop((res) => {
//对录音时长进行判断，少于2s的不进行发送，并做出提示
console.log(res)
console.log(_xx_util2.default.getUrl(“upload”, “longbing_card”))
if (res.duration < 2000) {
wx.showToast({
title: ‘录音时间太短，请长按录音’,
icon: ‘none’,
duration: 1000
})
} else {
//进行语音发送
const {
tempFilePath
} = res;
wx.showLoading({
title: ‘语音检索中’,
})
//上传录制的音频
wx.uploadFile({
url: _xx_util2.default.getUrl(“upload”, “longbing_card”),
filePath: tempFilePath,
name: ‘upfile’,
success: function(event) {
console.log(event)
var datas = JSON.parse(event.data);
console.log(datas)
if (datas.errno == 0) {
wx.hideLoading()
if (datas.data) {
console.log(that.data.audiolist)
that.setData({
audiolist: datas.data.path,
audioPath: datas.data.img,
time: res.duration
})
} else {
wx.showToast({
title: ‘上传格式错误’,
icon: ‘none’,
duration: 2000
})
}
} else {
wx.showToast({
title: datas.msg,
icon: ‘none’,
duration: 2000
})
}
}
})
}
})
}
},
handleTouchMove: function(e) {
//计算距离，当滑动的垂直距离大于25时，则取消发送语音
if (Math.abs(e.touches[e.touches.length - 1].clientY - this.data.startPoint.clientY) > 25) {
this.setData({
is_clock: false //设置为不发送语音
})
}
},

录音播放js：
var innerAudioContext = wx.createInnerAudioContext()//很重要，写在page外面，作为全局变量

data: {
isPlayAudio: false,
audioSeek: 0,
audioDuration: 0,
showTime1: ‘00:00’,
showTime2: ‘00:00’,
audioTime: 0
},

onshow: function() {   console.log("onshow")   this.Initialization();   this.loadaudio();},//初始化播放器，获取durationInitialization() {  console.log("初始化播放器")  var t = this;  if (this.properties.audiolist.length != 0) {    //设置src    innerAudioContext.src = this.properties.audiolist;    console.log(innerAudioContext.src)    //运行一次    innerAudioContext.play();    innerAudioContext.pause();    innerAudioContext.onCanplay(() => {      //初始化duration      innerAudioContext.duration      setTimeout(function() {        //延时获取音频真正的duration        var duration = innerAudioContext.duration;        var min = parseInt(duration / 60);        var sec = parseInt(duration % 60);        if (min.toString().length == 1) {          min = `0${min}`;        }        if (sec.toString().length == 1) {          sec = `0${sec}`;        }        t.setData({          audioDuration: innerAudioContext.duration,          showTime2: `${min}:${sec}`        });      }, 1000)    })  }},//拖动进度条事件sliderChange(e) {  var that = this;  innerAudioContext.src = this.properties.audiolist;  //获取进度条百分比  var value = e.detail.value;  this.setData({    audioTime: value  });  var duration = this.data.audioDuration;  //根据进度条百分比及歌曲总时间，计算拖动位置的时间  value = parseInt(value * duration / 100);  //更改状态  this.setData({    audioSeek: value,    isPlayAudio: true  });  //调用seek方法跳转歌曲时间  innerAudioContext.seek(value);  //播放歌曲  innerAudioContext.play();},//播放、暂停按钮playAudio() {  console.log("播放")  //获取播放状态和当前播放时间  var isPlayAudio = this.data.isPlayAudio;  var seek = this.data.audioSeek;  innerAudioContext.pause();  //更改播放状态  this.setData({    isPlayAudio: !isPlayAudio  })  if (isPlayAudio) {    //如果在播放则记录播放的时间seek，暂停    this.setData({      audioSeek: innerAudioContext.currentTime    });  } else {    //如果在暂停，获取播放时间并继续播放    innerAudioContext.src = this.properties.audiolist;    console.log(innerAudioContext.src)    if (innerAudioContext.duration != 0) {      this.setData({        audioDuration: innerAudioContext.duration      });    }    //跳转到指定时间播放    innerAudioContext.seek(seek);    innerAudioContext.play();  }},loadaudio() {  var that = this;  //设置一个计步器  this.data.durationIntval = setInterval(function() {    //当歌曲在播放时执行    if (that.data.isPlayAudio == true) {      //获取歌曲的播放时间，进度百分比      var seek = that.data.audioSeek;      var duration = innerAudioContext.duration;      var time = that.data.audioTime;      console.log(seek, duration, time)      time = parseInt(100 * seek / duration);      console.log(time)      //当歌曲在播放时，每隔一秒歌曲播放时间+1，并计算分钟数与秒数      var min = parseInt((seek) / 60);      var sec = parseInt((seek) % 60);      //填充字符串，使3:1这种呈现出 03：01 的样式      if (min.toString().length == 1) {        min = `0${min}`;      }      if (sec.toString().length == 1) {        sec = `0${sec}`;      }      var min1 = parseInt(duration / 60);      var sec1 = parseInt(duration % 60);      if (min1.toString().length == 1) {        min1 = `0${min1}`;      }      if (sec1.toString().length == 1) {        sec1 = `0${sec1}`;      }      //当进度条完成，停止播放，并重设播放时间和进度条      if (time >= 100) {        innerAudioContext.stop();        that.setData({          audioSeek: 0,          audioTime: 0,          audioDuration: duration,          isPlayAudio: false,          showTime1: `00:00`        });        return false;      }      console.log(`${min}:${sec}`, `${min1}:${sec1}`)      //正常播放，更改进度信息，更改播放时间信息      that.setData({        audioSeek: seek + 1,        audioTime: time,        audioDuration: duration,        showTime1: `${min}:${sec}`,        showTime2: `${min1}:${sec1}`      });    }  }, 1000);},onUnload: function() {  //卸载页面，清除计步器  clearInterval(this.data.durationIntval);}