微信小程序+智能聊天+机器人+OLAMI

现在很多微信小程序如火如荼,智能就更让人耳目一新,于是便想到尝试一下智能聊天机器人,如果你正在为此着急希望这篇博文可以对你有所帮助。目前有很多自然语言语义互动对应的接口API,可以通过调用对应的接口实现人机互动,下面就以微信小程序+OLAMI(需要去其官网注册)的NLI为例介绍一下如何实现人机互动。

效果见:https://blog.csdn.net/kangcool_sn/article/details/85069434

一、首先引入对应自然语言语义互动对应的接口API需要的用到的md5.js,用于加密验签。

//md5加密算法
function md5(string) {
  var x = Array();
  var k, AA, BB, CC, DD, a, b, c, d;
  var S11 = 7, S12 = 12, S13 = 17, S14 = 22;
  var S21 = 5, S22 = 9, S23 = 14, S24 = 20;
  var S31 = 4, S32 = 11, S33 = 16, S34 = 23;
  var S41 = 6, S42 = 10, S43 = 15, S44 = 21;
  string = Utf8Encode(string);
  x = ConvertToWordArray(string);
  a = 0x67452301;
  b = 0xEFCDAB89;
  c = 0x98BADCFE;
  d = 0x10325476;
  for (k = 0; k < x.length; k += 16) {
    AA = a;
    BB = b;
    CC = c;
    DD = d;
    a = FF(a, b, c, d, x[k + 0], S11, 0xD76AA478);
    d = FF(d, a, b, c, x[k + 1], S12, 0xE8C7B756);
    c = FF(c, d, a, b, x[k + 2], S13, 0x242070DB);
    b = FF(b, c, d, a, x[k + 3], S14, 0xC1BDCEEE);
    a = FF(a, b, c, d, x[k + 4], S11, 0xF57C0FAF);
    d = FF(d, a, b, c, x[k + 5], S12, 0x4787C62A);
    c = FF(c, d, a, b, x[k + 6], S13, 0xA8304613);
    b = FF(b, c, d, a, x[k + 7], S14, 0xFD469501);
    a = FF(a, b, c, d, x[k + 8], S11, 0x698098D8);
    d = FF(d, a, b, c, x[k + 9], S12, 0x8B44F7AF);
    c = FF(c, d, a, b, x[k + 10], S13, 0xFFFF5BB1);
    b = FF(b, c, d, a, x[k + 11], S14, 0x895CD7BE);
    a = FF(a, b, c, d, x[k + 12], S11, 0x6B901122);
    d = FF(d, a, b, c, x[k + 13], S12, 0xFD987193);
    c = FF(c, d, a, b, x[k + 14], S13, 0xA679438E);
    b = FF(b, c, d, a, x[k + 15], S14, 0x49B40821);
    a = GG(a, b, c, d, x[k + 1], S21, 0xF61E2562);
    d = GG(d, a, b, c, x[k + 6], S22, 0xC040B340);
    c = GG(c, d, a, b, x[k + 11], S23, 0x265E5A51);
    b = GG(b, c, d, a, x[k + 0], S24, 0xE9B6C7AA);
    a = GG(a, b, c, d, x[k + 5], S21, 0xD62F105D);
    d = GG(d, a, b, c, x[k + 10], S22, 0x2441453);
    c = GG(c, d, a, b, x[k + 15], S23, 0xD8A1E681);
    b = GG(b, c, d, a, x[k + 4], S24, 0xE7D3FBC8);
    a = GG(a, b, c, d, x[k + 9], S21, 0x21E1CDE6);
    d = GG(d, a, b, c, x[k + 14], S22, 0xC33707D6);
    c = GG(c, d, a, b, x[k + 3], S23, 0xF4D50D87);
    b = GG(b, c, d, a, x[k + 8], S24, 0x455A14ED);
    a = GG(a, b, c, d, x[k + 13], S21, 0xA9E3E905);
    d = GG(d, a, b, c, x[k + 2], S22, 0xFCEFA3F8);
    c = GG(c, d, a, b, x[k + 7], S23, 0x676F02D9);
    b = GG(b, c, d, a, x[k + 12], S24, 0x8D2A4C8A);
    a = HH(a, b, c, d, x[k + 5], S31, 0xFFFA3942);
    d = HH(d, a, b, c, x[k + 8], S32, 0x8771F681);
    c = HH(c, d, a, b, x[k + 11], S33, 0x6D9D6122);
    b = HH(b, c, d, a, x[k + 14], S34, 0xFDE5380C);
    a = HH(a, b, c, d, x[k + 1], S31, 0xA4BEEA44);
    d = HH(d, a, b, c, x[k + 4], S32, 0x4BDECFA9);
    c = HH(c, d, a, b, x[k + 7], S33, 0xF6BB4B60);
    b = HH(b, c, d, a, x[k + 10], S34, 0xBEBFBC70);
    a = HH(a, b, c, d, x[k + 13], S31, 0x289B7EC6);
    d = HH(d, a, b, c, x[k + 0], S32, 0xEAA127FA);
    c = HH(c, d, a, b, x[k + 3], S33, 0xD4EF3085);
    b = HH(b, c, d, a, x[k + 6], S34, 0x4881D05);
    a = HH(a, b, c, d, x[k + 9], S31, 0xD9D4D039);
    d = HH(d, a, b, c, x[k + 12], S32, 0xE6DB99E5);
    c = HH(c, d, a, b, x[k + 15], S33, 0x1FA27CF8);
    b = HH(b, c, d, a, x[k + 2], S34, 0xC4AC5665);
    a = II(a, b, c, d, x[k + 0], S41, 0xF4292244);
    d = II(d, a, b, c, x[k + 7], S42, 0x432AFF97);
    c = II(c, d, a, b, x[k + 14], S43, 0xAB9423A7);
    b = II(b, c, d, a, x[k + 5], S44, 0xFC93A039);
    a = II(a, b, c, d, x[k + 12], S41, 0x655B59C3);
    d = II(d, a, b, c, x[k + 3], S42, 0x8F0CCC92);
    c = II(c, d, a, b, x[k + 10], S43, 0xFFEFF47D);
    b = II(b, c, d, a, x[k + 1], S44, 0x85845DD1);
    a = II(a, b, c, d, x[k + 8], S41, 0x6FA87E4F);
    d = II(d, a, b, c, x[k + 15], S42, 0xFE2CE6E0);
    c = II(c, d, a, b, x[k + 6], S43, 0xA3014314);
    b = II(b, c, d, a, x[k + 13], S44, 0x4E0811A1);
    a = II(a, b, c, d, x[k + 4], S41, 0xF7537E82);
    d = II(d, a, b, c, x[k + 11], S42, 0xBD3AF235);
    c = II(c, d, a, b, x[k + 2], S43, 0x2AD7D2BB);
    b = II(b, c, d, a, x[k + 9], S44, 0xEB86D391);
    a = AddUnsigned(a, AA);
    b = AddUnsigned(b, BB);
    c = AddUnsigned(c, CC);
    d = AddUnsigned(d, DD);
  }
  var temp = WordToHex(a) + WordToHex(b) + WordToHex(c) + WordToHex(d);
  return temp.toLowerCase();
}
function RotateLeft(lValue, iShiftBits) {
  return (lValue << iShiftBits) | (lValue >>> (32 - iShiftBits));
}
function AddUnsigned(lX, lY) {
  var lX4, lY4, lX8, lY8, lResult;
  lX8 = (lX & 0x80000000);
  lY8 = (lY & 0x80000000);
  lX4 = (lX & 0x40000000);
  lY4 = (lY & 0x40000000);
  lResult = (lX & 0x3FFFFFFF) + (lY & 0x3FFFFFFF);
  if (lX4 & lY4) {
    return (lResult ^ 0x80000000 ^ lX8 ^ lY8);
  }
  if (lX4 | lY4) {
    if (lResult & 0x40000000) {
      return (lResult ^ 0xC0000000 ^ lX8 ^ lY8);
    } else {
      return (lResult ^ 0x40000000 ^ lX8 ^ lY8);
    }
  } else {
    return (lResult ^ lX8 ^ lY8);
  }
}
function F(x, y, z) {
  return (x & y) | ((~x) & z);
}
function G(x, y, z) {
  return (x & z) | (y & (~z));
}
function H(x, y, z) {
  return (x ^ y ^ z);
}
function I(x, y, z) {
  return (y ^ (x | (~z)));
}
function FF(a, b, c, d, x, s, ac) {
  a = AddUnsigned(a, AddUnsigned(AddUnsigned(F(b, c, d), x), ac));
  return AddUnsigned(RotateLeft(a, s), b);
}
function GG(a, b, c, d, x, s, ac) {
  a = AddUnsigned(a, AddUnsigned(AddUnsigned(G(b, c, d), x), ac));
  return AddUnsigned(RotateLeft(a, s), b);
}
function HH(a, b, c, d, x, s, ac) {
  a = AddUnsigned(a, AddUnsigned(AddUnsigned(H(b, c, d), x), ac));
  return AddUnsigned(RotateLeft(a, s), b);
}
function II(a, b, c, d, x, s, ac) {
  a = AddUnsigned(a, AddUnsigned(AddUnsigned(I(b, c, d), x), ac));
  return AddUnsigned(RotateLeft(a, s), b);
}
function ConvertToWordArray(string) {
  var lWordCount;
  var lMessageLength = string.length;
  var lNumberOfWords_temp1 = lMessageLength + 8;
  var lNumberOfWords_temp2 = (lNumberOfWords_temp1 - (lNumberOfWords_temp1 % 64)) / 64;
  var lNumberOfWords = (lNumberOfWords_temp2 + 1) * 16;
  var lWordArray = Array(lNumberOfWords - 1);
  var lBytePosition = 0;
  var lByteCount = 0;
  while (lByteCount < lMessageLength) {
    lWordCount = (lByteCount - (lByteCount % 4)) / 4;
    lBytePosition = (lByteCount % 4) * 8;
    lWordArray[lWordCount] = (lWordArray[lWordCount] | (string.charCodeAt(lByteCount) << lBytePosition));
    lByteCount++;
  }
  lWordCount = (lByteCount - (lByteCount % 4)) / 4;
  lBytePosition = (lByteCount % 4) * 8;
  lWordArray[lWordCount] = lWordArray[lWordCount] | (0x80 << lBytePosition);
  lWordArray[lNumberOfWords - 2] = lMessageLength << 3;
  lWordArray[lNumberOfWords - 1] = lMessageLength >>> 29;
  return lWordArray;
}
function WordToHex(lValue) {
  var WordToHexValue = "", WordToHexValue_temp = "", lByte, lCount;
  for (lCount = 0; lCount <= 3; lCount++) {
    lByte = (lValue >>> (lCount * 8)) & 255;
    WordToHexValue_temp = "0" + lByte.toString(16);
    WordToHexValue = WordToHexValue + WordToHexValue_temp.substr(WordToHexValue_temp.length - 2, 2);
  }
  return WordToHexValue;
}
function Utf8Encode(string) {
  var utftext = "";
  for (var n = 0; n < string.length; n++) {
    var c = string.charCodeAt(n);
    if (c < 128) {
      utftext += String.fromCharCode(c);
    } else if ((c > 127) && (c < 2048)) {
      utftext += String.fromCharCode((c >> 6) | 192);
      utftext += String.fromCharCode((c & 63) | 128);
    } else {
      utftext += String.fromCharCode((c >> 12) | 224);
      utftext += String.fromCharCode(((c >> 6) & 63) | 128);
      utftext += String.fromCharCode((c & 63) | 128);
    }
  }
  return utftext;
}
module.exports = {
  md5: md5
}

 二、封装OLAMI对应API接口需要的参数(以下只是代码片段,仅供参考)

var md5 = require('../index/md5.js');
const requestUrl = "https://cn.olami.ai/cloudservice/api";
const api = "nli";
var timestamp = new Date().getTime();
    var appsecret = 'XXXXXXXXXXXXXXXXX';
    var appkey = 'XXXXXXXXXXXXXXXXXXXX'
    var originalSign = appsecret + "api=" + api + "appkey=" + appkey + "timestamp=" + timestamp + appsecret;
    var sign = md5.md5(originalSign);
    var rqdataJson = { "data": { "input_type": 1, "text": options.question}, "data_type": "stt" };
    var rqdata = JSON.stringify(rqdataJson);

三、通过wx.request方法调用该API接口,解析放回值获取自己需要的内容即可。

   wx.request({
      url: requestUrl,
      data: {
        appkey: appkey,
        api: api,
        timestamp: timestamp,
        sign: sign,
        rq: rqdata,
      },
      header: {
        'content-type': 'application/x-www-form-urlencoded'
      },
      method: 'POST',
      success: function (res) {
        var data = res.data.data;
        //var jsonData = JSON.stringify(data);
        console.log(data.nli[0].desc_obj.result);
        //typeof cb == "function" && cb(true, jsonData)
        setTimeout(function () {
                 that.setData({
                   answer: data.nli[0].desc_obj.result,
                   tipsshow2: "none",
                   questionshow: "",
                   answershow: "",
                   buttonshow: "",
                 })
              }, 2000);
      },
      fail: function ({ errMsg }) {
        wx.showToast({
                 icon: 'none',
                 title: '查询记录失败'
               })
            console.error('[数据库] [查询记录] 失败:', err)
      }
    })

四、值得注意的一点是,微信调用第三方API时需要配置对应域名,不然会调用接口失败,配置图如下。

微信小程序+智能聊天+机器人+OLAMI_第1张图片

至此就完成了人机互动的API调用,后面界面样式如何进行设计,大家不尽相同,这里面就不介绍自己如何使用的了,这里都是自己使用过程中的一点点小总结,希望大家不走偏路,对大家有所帮助。 

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