实现语音和视频支持

发送语音实现思路

打开允许录音的权限

然后把获取的录音上传到服务器，返回个公网可以访问路径

一、 采集语音

navigator.mediaDevices.getUserMedia(
    {audio: true, video: true}
    ).then(successfunc).catch(errfunc);
navigator.mediaDevices.getUserMedia(
    {audio: true, video: false}
    ).then(function(stream)  {
              //请求成功
              this.recorder = new MediaRecorder(stream);
              this.recorder.start();
              this.recorder.ondataavailable = (event) => {
                  uploadblob("attach/upload",event.data,".mp3",res=>{
                          //获取语音的长度
                      var duration = Math.ceil((new Date().getTime()-this.duration)/1000);
                      this.sendaudiomsg(res.data,duration);
                  })
                  stream.getTracks().forEach(function (track) {
                      track.stop();
                  });
                  this.showprocess = false
              }
          }.bind(this)).catch(function(err){
                mui.toast(err.msg)
                this.showprocess = false
            }.bind(this));

二、 上传语音

function uploadblob(uri,blob,filetype,fn){
       var xhr = new XMLHttpRequest();
       xhr.open("POST","//"+location.host+"/"+uri, true);
       // 添加http头，发送信息至服务器时内容编码类型
       xhr.onreadystatechange = function() {
           if (xhr.readyState == 4 && (xhr.status == 200 || xhr.status == 304)) {
               fn.call(this, JSON.parse(xhr.responseText));
           }
       };
       var _data=[];
       var formdata = new FormData();
       formdata.append("filetype",filetype);
       formdata.append("file",blob)
       xhr.send(formdata);
   }