<button type='default' bindtouchstart='startrecorderHandel' bindtouchend="sendrecorderHandel">開(kāi)始8錄音</button>
<view>
 你說(shuō)的話是:
 <view>
 {{msg}}
 </view>
</view>

// 錄音對(duì)象
const recorderManager = wx.getRecorderManager();

function sendRecord(src) {
 var obj = {
 // 已經(jīng)在花生殼中映射到本地端口-3001 
 url: "http://xxx:34306/post",
 filePath: src,
 name: "fffile",
 header: {
  'Content-Type': 'application/json'
 },
 success: function (result) {
  var data = JSON.parse(result.data);
  // msg 為最終語(yǔ)音識(shí)別的字符串
  var msg = data.result;
  // 獲取當(dāng)前頁(yè)面對(duì)象
  var page = getCurrentPages()[0];
  page.setData({ msg: msg });
 },
 fail: function (err) {
  console.log(err);
 }
 };
 wx.uploadFile(obj)
}

// 結(jié)束錄音的時(shí)候觸發(fā) 
recorderManager.onStop((res) => {
 // 獲取文件路徑-提交到后臺(tái)-后臺(tái)發(fā)送到百度
 sendRecord(res.tempFilePath);
})

recorderManager.onError((res) => {
 console.log("error", res);
});

Page({

 /**
 * 頁(yè)面的初始數(shù)據(jù)
 */
 data: {
 msg: ""
 },
 // 按下按鈕的時(shí)候觸發(fā)
 startrecorderHandel() {
 // 開(kāi)始錄音
 recorderManager.start({
 });
 },
 // 松開(kāi)按鈕的時(shí)候觸發(fā)-發(fā)送錄音
 sendrecorderHandel() {
 // 結(jié)束錄音
 recorderManager.stop();
 },

 /**
 * 生命周期函數(shù)--監(jiān)聽(tīng)頁(yè)面加載
 */
 onLoad: function (options) {
 wx.authorize({
  scope: 'record'
 })
 }
})

var express = require('express');
var app = express();
var fs = require('fs');
var Multiparty = require('multiparty');
// 轉(zhuǎn)碼工具
var ffmpeg = require('fluent-ffmpeg');
var AipSpeechClient = require("baidu-aip-sdk").speech;

// #region 創(chuàng)建百度授權(quán) 
// 設(shè)置APPID/AK/SK
var APP_ID = "xxx";
var API_KEY = "xxx";
var SECRET_KEY = "xxx";

// 百度請(qǐng)求對(duì)象
var client = new AipSpeechClient(APP_ID, API_KEY, SECRET_KEY);


// 新建一個(gè)對(duì)象，建議只保存一個(gè)對(duì)象調(diào)用服務(wù)接口
app.post('/post', function (req, res, next) {
 //生成multiparty對(duì)象，并配置上傳目標(biāo)路徑
 var form = new Multiparty.Form({
 uploadDir: 'uploads/'
 });
 //上傳完成后處理
 form.parse(req, function (err, fields, files) {
 var filesTemp = JSON.stringify(files, null, 2);
 var inputFile = files.fffile[0];
 var uploadedPath = inputFile.path;
 var command = ffmpeg();
 command.addInput(uploadedPath)
  // 將1.aac 變?yōu)?.wav
  .save(uploadedPath.slice(0, -3) + "wav")
  .on('error', function (err) {
  console.log(err);
  })
  .on('end', function () {
  // 將錄音文件轉(zhuǎn)為buffer
  var voice = fs.readFileSync(uploadedPath.slice(0, -3) + "wav");
  var voiceBuffer = new Buffer(voice);

  // 發(fā)送buffer到百度接口 返回語(yǔ)音對(duì)應(yīng)的字符串
  client.recognize(voiceBuffer, 'wav', 16000).then(function (result) {
   console.log('<recognize>: ' + JSON.stringify(result));
   res.end(JSON.stringify(result));
  }, function (err) {
   console.log(err);
  });
  });
 });
});
var server = app.listen(3001, function () {
 var host = server.address().address;
 var port = server.address().port;
 console.log('Example app listening at http://%s:%s', host, port);
});

git clone https://github.com/itcastWsy/wx_baidu.git