foodapi.js
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var express = require('express');
var request = require('request');
//xml을 json으로 바꾼다.
const convert = require('xml-js');
var ProductCategoryName = '스위트초콜릿';
var url = 'http://apis.data.go.kr/1470000/FoodAdtvInfoService/getFoodAdtvInfoList';
var key ='ofY2ppOq5kBqT5jYPaGsW%2BEy7OR5a1bf5Z9PHvqNKvwO5DSCaU2x2qCj%2FoXnuB1YVbMTlErkHWSMEsR5b7isrw%3D%3D';
var queryParams = '?' + encodeURIComponent('ServiceKey') + '=' +key;
//queryParams += '&' + encodeURIComponent('prdlst_cd') + '=' + encodeURIComponent('C0118010300000');
queryParams += '&' + encodeURIComponent('pc_kor_nm') + '=' + encodeURIComponent(ProductCategoryName);
//queryParams += '&' + encodeURIComponent('pageNo') + '=' + encodeURIComponent('213');
//queryParams += '&' + encodeURIComponent('numOfRows') + '=' + encodeURIComponent('100');
request({
url: url + queryParams,
method: 'GET'
}, function (error, response, body) {
if(error){
console.log('에러입니다.')
}
else{
if(response.statusCode ==200){
var result =body;
var xmltojson = convert.xml2json(result,{compact:true,spaces:4});
var resObj = eval("("+xmltojson+")");
var resultItems = resObj.response.body.items;
var resultLeng = Object.keys(resultItems);
if(Object.keys(resultItems).length != 0){
console.log("valid input : 식품 첨가물 정보를 받아옵니다.");
var responseMessage ='[ ' + resultItems.item[0].PC_KOR_NM._text + ' ]\n';
//하나의 카테고리에 대한 정보만 받는다고 가정해 반복문 밖으로 뺐습니다.
for(var i=0 ; i < resultItems.item.length; i ++)
{
//var responseMessage ='[ ' + resultItems.item[i].PC_KOR_NM._text + ' ]\n';
var addictive = resultItems.item[i].T_KOR_NM._text;
var specVal = resultItems.item[i].SPEC_VAL_SUMUP._text;
var yn = resultItems.item[i].INJRY_YN._text;
responseMessage += addictive + ' : ' + specVal + '['+yn+']'+ '\n';
}
}
else
{
console.log("Invalid Input : 에러 메시지 전송");
var responseMessage = "잘못 된 입력입니다. 라벨의 식품유형을 확인하고 다시 입력해주세요.";
}
console.log('[responese message]',responseMessage);
}
}
});