我正在尝试获取由Dialogflow聊天机器人结构生成的JavaScript数组中最常见的项目,但是如果我可以显示该数组,似乎我尝试的函数无法很好地找到最常见的项目:
const functions = require('firebase-functions');
const {WebhookClient} = require('dialogflow-fulfillment');
const {Card, Suggestion} = require('dialogflow-fulfillment');
var answers = [];
process.env.DEBUG = 'dialogflow:debug'; // enables lib debugging statements
exports.dialogflowFirebaseFulfillment = functions.https.onRequest((request, response) => {
const agent = new WebhookClient({ request, response });
console.log('Dialogflow Request headers: ' + JSON.stringify(request.headers));
console.log('Dialogflow Request body: ' + JSON.stringify(request.body));
function welcome(agent) {
agent.add(`Welcome to my agent!`);
}
function fallback(agent) {
agent.add(`I didn't understand FULLFILMENT`);
agent.add(`I'm sorry, can you try again? FULLFILMENT`);
}
function rhymingWordHandler(agent){
agent.add('Intent called');
}
function answer1Handler(agent){
agent.add('Intent answer1 called');
const answer = agent.parameters.number;
answers.push(answer);
}
function answer2Handler(agent){
agent.add('Intent answer2 called');
const answer = agent.parameters.number;
answers.push(answer);
}
function answer3Handler(agent){
agent.add('Intent answer3 called');
const answer = agent.parameters.number;
answers.push(answer);
agent.add('Here is the mode');
const mfi = mode(answers);
agent.add(mfi.toString());
}
function mode(arr1){
var mf = 1; //default maximum frequency
var m = 0; //counter
var item; //to store item with maximum frequency
for (var i=0; i<arr1.length; i++) //select element (current element)
{
for (var j=i; j<arr1.length; j++) //loop through next elements in array to compare calculate frequency of current element
{
if (arr1[i] == arr1[j]) //see if element occurs again in the array
m++; //increment counter if it does
if (mf<m) //compare current items frequency with maximum frequency
{
mf=m; //if m>mf store m in mf for upcoming elements
item = arr1[i]; // store the current element.
}
}
m=0; // make counter 0 for next element.
}
return item;
}
// Run the proper function handler based on the matched Dialogflow intent name
let intentMap = new Map();
intentMap.set('Default Fallback Intent', fallback);
intentMap.set('RhymingWord', rhymingWordHandler);
intentMap.set('answer1', answer1Handler);
intentMap.set('answer2', answer2Handler);
intentMap.set('answer3', answer3Handler);
agent.handleRequest(intentMap);
});
我的输入是1、2和1。所以数组是[1,2,1],应该输出1。我猜我的模式函数不适用于数字?我该如何使它更通用?
我按照这个答案操作,本来应该没问题的。