<div class="inp_btn voice_btn active" id="record">
 按住 說話
 </div>

var recorder;
var btnRecord = $('#record');
var startTime = 0;
var recordTimer = 300;
// 發(fā)語音
$.ajax({
 url: 'url請求需要微信的一些東西 下面success就是返回的東西',
 type: 'get',
 data: { url: url },
 success: function (data) {
 var json = $.parseJSON(data);
 //alert(json);
 //假設(shè)已引入微信jssdk。【支持使用 AMD/CMD 標(biāo)準(zhǔn)模塊加載方法加載】
 wx.config({
 debug: false, // 開啟調(diào)試模式,調(diào)用的所有api的返回值會在客戶端alert出來，若要查看傳入的參數(shù)，可以在pc端打開，參數(shù)信息會通過log打出，僅在pc端時才會打印。
 appId: json.appid, // 必填，公眾號的唯一標(biāo)識
 timestamp: json.timestamp, // 必填，生成簽名的時間戳
 nonceStr: json.nonceStr, // 必填，生成簽名的隨機(jī)串
 signature: json.signature, // 必填，簽名，見附錄1
 jsApiList: [
 "startRecord",
 "stopRecord",
 "onVoiceRecordEnd",
 "playVoice",
 "pauseVoice",
 "stopVoice",
 "onVoicePlayEnd",
 "uploadVoice",
 "downloadVoice",
 ] // 必填，需要使用的JS接口列表，所有JS接口列表見附錄2
 });
 wx.ready(function () {
 btnRecord.on('touchstart', function (event) {
 event.preventDefault();
 startTime = new Date().getTime();
 // 延時后錄音，避免誤操作
 recordTimer = setTimeout(function () {
 wx.startRecord({
 success: function () {
 localStorage.rainAllowRecord = 'true';
 //style="display:block"
 $(".voice_icon").css("display", "block");
 },
 cancel: function () {
 layer.open({
 content: '用戶拒絕了錄音授權(quán)',
 btn: '確定',
 shadeClose: false,
 });
 }
 });
 }, 300);
 }).on('touchend', function (event) {
 event.preventDefault();
 // 間隔太短
 if (new Date().getTime() - startTime < 300) {
 startTime = 0;
 // 不錄音
 clearTimeout(recordTimer);
 } else { // 松手結(jié)束錄音
 wx.stopRecord({
 success: function (res) {
 $(".voice_icon").css("display", "none");
 voice.localId = res.localId;
 // 上傳到服務(wù)器
 uploadVoice();
 },
 fail: function (res) {
 //alert(JSON.stringify(res));
 layer.open({
 content: JSON.stringify(res),
 btn: '確定',
 shadeClose: false,
 });
 }
 });
 }
 });
 });
 },
 error: function () { }
})

function uploadVoice() {
 //調(diào)用微信的上傳錄音接口把本地錄音先上傳到微信的服務(wù)器
 //不過，微信只保留3天，而我們需要長期保存，我們需要把資源從微信服務(wù)器下載到自己的服務(wù)器
 wx.uploadVoice({
 localId: voice.localId, // 需要上傳的音頻的本地ID，由stopRecord接口獲得
 isShowProgressTips: 1, // 默認(rèn)為1，顯示進(jìn)度提示
 success: function (res) {
 // alert(JSON.stringify(res));
 //把錄音在微信服務(wù)器上的id（res.serverId）發(fā)送到自己的服務(wù)器供下載。
 voice.serverId = res.serverId;
 $.ajax({
 url: '/QyhSpeech/DownLoadVoice',
 type: 'post',
 data: { serverId: res.serverId, Id: Id },
 dataType: "json",
 success: function (data) {
 if (data.Result == true && data.ResultCode == 1) {
 layer.open({
 content: "錄音上傳完成！",//data.Message
 btn: '確定',
 shadeClose: false,
 yes: function (index) {
 window.location.href = window.location.href;
 }
 });
 }
 else {
 layer.open({
 content: data.Message,
 btn: '確定',
 shadeClose: false,
 });
 }
 },
 error: function (xhr, errorType, error) {
 layer.open({
 content: error,
 btn: '確定',
 shadeClose: false,
 });
 }
 });
 }
 });
 }

//下載語音并且轉(zhuǎn)換的方法
 private string GetVoicePath(string voiceId, string access_token)
 {
 string voice = "";
 try
 {
 Log.Debug("access_token:", access_token);
 //調(diào)用downloadmedia方法獲得downfile對象
 DownloadFile downFile = WeiXin.DownloadMedia(voiceId, access_token);
 if (downFile.Stream != null)
 {
 string fileName = Guid.NewGuid().ToString();
 //生成amr文件
 string amrPath = Server.MapPath("~/upload/audior/");
 if (!Directory.Exists(amrPath))
 {
 Directory.CreateDirectory(amrPath);
 }
 string amrFilename = amrPath + fileName + ".amr";
 //var ss = GetAMRFileDuration(amrFilename);
 //Log.Debug("ss", ss.ToString());
 using (FileStream fs = new FileStream(amrFilename, FileMode.Create))
 {
 byte[] datas = new byte[downFile.Stream.Length];
 downFile.Stream.Read(datas, 0, datas.Length);
 fs.Write(datas, 0, datas.Length);
 }
 //轉(zhuǎn)換為mp3文件
 string mp3Path = Server.MapPath("~/upload/audio/");
 if (!Directory.Exists(mp3Path))
 {
 Directory.CreateDirectory(mp3Path);
 }
 string mp3Filename = mp3Path + fileName + ".mp3";
 AudioHelper.ConvertToMp3(Server.MapPath("~/ffmpeg/"), amrFilename, mp3Filename);
 voice = fileName;
 Log.Debug("voice:", voice);
 }
 }
 catch { }
 return voice;
 }

//下載微信語音文件
 public JsonResult DownLoadVoice()
 {
 var file = "";
 try
 {
 var serverId = Request["serverId"];//文件的serverId
 file = GetVoicePath(serverId, CacheHelper.GetAccessToken());
 return Json(new ResultJson { Message = file, Result = true, ResultCode = 1 });
 }
 catch (Exception ex)
 {
 return Json(new ResultJson { Message = ex.Message, Result = false, ResultCode = 0 });
 }
 }

using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Text;
using System.Text.RegularExpressions;
using System.Threading;
namespace EYO.Common
{
 /// <summary>
 /// 聲音幫助類
 /// </summary>
 public sealed class AudioHelper
 {
 private const string FfmpegUsername = "ffmpeg";
 private const string FfmpegPassword = "it4pl803";
 /// <summary>
 /// 音頻轉(zhuǎn)換
 /// </summary>
 /// <param name="ffmpegPath">ffmpeg文件目錄</param>
 /// <param name="soruceFilename">源文件</param>
 /// <param name="targetFileName">目標(biāo)文件</param>
 /// <returns></returns>
 public static string ConvertToMp3(string ffmpegPath, string soruceFilename, string targetFileName)
 {
 //string cmd = ffmpegPath + @"\ffmpeg.exe -i " + soruceFilename + " " + targetFileName;
 string cmd = ffmpegPath + @"\ffmpeg.exe -i " + soruceFilename + " -ar 44100 -ab 128k " + targetFileName;
 return ConvertWithCmd(cmd);
 }
 private static string ConvertWithCmd(string cmd)
 {
 try
 {
 System.Diagnostics.Process process = new System.Diagnostics.Process();
 process.StartInfo.FileName = "cmd.exe";
 process.StartInfo.UseShellExecute = false;
 process.StartInfo.CreateNoWindow = true;
 process.StartInfo.RedirectStandardInput = true;
 process.StartInfo.RedirectStandardOutput = true;
 process.StartInfo.RedirectStandardError = true;
 process.Start();
 process.StandardInput.WriteLine(cmd);
 process.StandardInput.AutoFlush = true;
 Thread.Sleep(1000);
 process.StandardInput.WriteLine("exit");
 process.WaitForExit();
 string outStr = process.StandardOutput.ReadToEnd();
 process.Close();
 return outStr;
 }
 catch (Exception ex)
 {
 return "error" + ex.Message;
 }
 }
 }
}