const app = getApp();
const recorder = wx.getRecorderManager();
const player = wx.createInnerAudioContext();
const file = wx.getFileSystemManager();
const base64 = require('../../utils/base64.js')
var that;
Page({
/**
* 页面的初始数据
*/
data: {
apikey: 'f5GBuMaaP1PQDlAKYcU8XifNvFKN0Tjm',
secret_id: 'AKIDUlvqa5VODS3QYRlPSHsmRpM9j6tWpB9r',
token: "",
recording: false,
cancel_record: false,
start_y: '',
fileBase64: '', //base64的文件
rate: 16000,
filePath: '', //录音文件
//fileLen: 0, //分片长度
},
/**
* 生命周期函数--监听页面加载
*/
onLoad: function(options) {
that = this;
recorder.onStop(function suc(e) {
//保存录音文件的临时路径
that.setData({
filePath: e.tempFilePath,
})
wx.setStorageSync('filePath', e.tempFilePath);
wx.showLoading({
title: '文件读取中...'
})
//读取录音文件，并转为base64编码
file.readFile({
filePath: e.tempFilePath,
encoding: 'base64',
success: function(e) {
that.setData({
fileBase64: e.data
})
console.log(e);
},
complete() {
wx.hideLoading();
},
})
})
},
//语音识别
recognition() {
let apikey = that.data.apikey;
let param = {
Action: 'SentenceRecognition',
Version: '2018-05-22',
ProjectId: '0',
SubServiceType: 2,
EngSerViceType: '16k',
SourceType: 1,
VoiceFormat: 'mp3',
UsrAudioKey: new Date().getTime(),
Data: that.data.fileBase64,
DataLen: base64.decode(that.data.fileBase64).length, //未进行base64编码时的数据长度
Timestamp: parseInt(new Date().getTime() / 1000),
Nonce: parseInt(new Date().getTime() / 1000),
SecretId: that.data.secret_id,
};
console.log(param)
//把参数按键值大小排序并拼接成字符串
let data = ksort(param);
let arr = [];
for (var x in data) {
data[x] = encodeURI(data[x]);
arr.push(x + '=' + data[x]);
}
let str = arr.join('&');
//签名生成
let sign = 'POSTaai.tencentcloudapi.com/?' + str;
sign = b64_hmac_sha1(apikey, sign);
data['Signature'] = sign;
wx.showLoading({
title: '发送中...',
})
wx.request({
url: 'https://aai.tencentcloudapi.com/',
data: data,
header: {
'content-type': 'application/x-www-form-urlencoded'
},
method: 'post',
success: function(e) {
console.log(e.data.Response)
// var jj = JSON.stringify(e.data.Response)
// console.log(JSON.parse(jj))
console.log(e.data.Response.Result)
that.setData({
result:e.data.Response
})
},
complete() {
wx.hideLoading();
}
})
},
//手指按下
clickDown(e) {
console.log('start');
that.setData({
recording: true,
start_y: e.touches[0].clientY,
cancel_record: false,
})
//开始录音
recorder.start({
duration: 60000, //最大时长
sampleRate: that.data.rate, //采样率
numberOfChannels: 1, //录音通道数
encodeBitRate: 64000, //编码码率，有效值见下表格
format: 'mp3', //音频格式
// frameSize: 2000,//指定大小 kb
})
},
//手指移动
clickMove(e) {
if (e.touches[0].clientY - that.data.start_y <= -50) {
that.setData({
cancel_record: true,
})
} else {
that.setData({
cancel_record: false,
})
}
return false;
},
//手指松开
clickUp(e) {
console.log('end');
if (that.data.cancel_record) {
wx.showModal({
title: '提示',
content: '您选择了取消发送,确定吗?',
confirmText: '继续发送',
cancelText: '取消重录',
success: res => {
if (res.confirm) {
wx.showToast({
title: '发送成功',
})
} else {
wx.showToast({
title: '您选择了取消',
})
}
that.setData({
recording: false
})
}
})
} else {
wx.showToast({
title: '录音完成',
})
that.setData({
recording: false
})
}
setTimeout(function(){recorder.stop()},2000);
return false;
},
//播放
play() {
player.src = that.data.filePath;
player.play();
},
})
//对象按键值排序方法
function ksort(obj) {
let temp = 'Action';
let k_arr = [];
for (var x in obj) {
k_arr.push(x);
}
k_arr.sort();
let res = {};
for (let i = 0; i < k_arr.length; i++) {
let k = k_arr[i];
res[k] = obj[k];
}
return res;
}
//b64_hmac_sha1加密函数
function b64_hmac_sha1(k, d, _p, _z)
{
if (!_p) {
_p = '=';
}
if (!_z) {
_z = 8;
}
function _f(t, b, c, d) {
if (t < 20) {
return (b & c) | ((~b) & d);
}
if (t < 40) {
return b ^ c ^ d;
}
if (t < 60) {
return (b & c) | (b & d) | (c & d);
}
return b ^ c ^ d;
}
function _k(t) {
return (t < 20) ? 1518500249 : (t < 40) ? 1859775393 : (t < 60) ? -1894007588 : -899497514;
}
function _s(x, y) {
var l = (x & 0xFFFF) + (y & 0xFFFF),
m = (x >> 16) + (y >> 16) + (l >> 16);
return (m << 16) | (l & 0xFFFF);
}
function _r(n, c) {
return (n << c) | (n >>> (32 - c));
}
function _c(x, l) {
x[l >> 5] |= 0x80 << (24 - l % 32);
x[((l + 64 >> 9) << 4) + 15] = l;
var w = [80],
a = 1732584193,
b = -271733879,
c = -1732584194,
d = 271733878,
e = -1009589776;
for (var i = 0; i < x.length; i += 16) {
var o = a,
p = b,
q = c,
r = d,
s = e;
for (var j = 0; j < 80; j++) {
if (j < 16) {
w[j] = x[i + j];
} else {
w[j] = _r(w[j - 3] ^ w[j - 8] ^ w[j - 14] ^ w[j - 16], 1);
}
var t = _s(_s(_r(a, 5), _f(j, b, c, d)), _s(_s(e, w[j]), _k(j)));
e = d;
d = c;
c = _r(b, 30);
b = a;
a = t;
}
a = _s(a, o);
b = _s(b, p);
c = _s(c, q);
d = _s(d, r);
e = _s(e, s);
}
return [a, b, c, d, e];
}
function _b(s) {
var b = [],
m = (1 << _z) - 1;
for (var i = 0; i < s.length * _z; i += _z) {
b[i >> 5] |= (s.charCodeAt(i / 8) & m) << (32 - _z - i % 32);
}
return b;
}
function _h(k, d) {
var b = _b(k);
if (b.length > 16) {
b = _c(b, k.length * _z);
}
var p = [16],
o = [16];
for (var i = 0; i < 16; i++) {
p[i] = b[i] ^ 0x36363636;
o[i] = b[i] ^ 0x5C5C5C5C;
}
var h = _c(p.concat(_b(d)), 512 + d.length * _z);
return _c(o.concat(h), 512 + 160);
}
function _n(b) {
var t = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/",
s = '';
for (var i = 0; i < b.length * 4; i += 3) {
var r = (((b[i >> 2] >> 8 * (3 - i % 4)) & 0xFF) << 16) | (((b[i + 1 >> 2] >> 8 * (3 - (i + 1) % 4)) & 0xFF) << 8) | ((b[i + 2 >> 2] >> 8 * (3 - (i + 2) % 4)) & 0xFF);
for (var j = 0; j < 4; j++) {
if (i * 8 + j * 6 > b.length * 32) {
s += _p;
} else {
s += t.charAt((r >> 6 * (3 - j)) & 0x3F);
}
}
}
return s;
}
function _x(k, d) {
return _n(_h(k, d));
}
return _x(k, d);
}
