코드 폴더

+// api에서 데이터 불러오기
+
+var xml2js = require('xml-js');
+var urlencode = require('urlencode');
+var xmlToJson;
+
+//var Dust_Month=0;
+
+var Feb_Dust_2018 =0 ;
+var Mar_Dust_2018 =0 ;
+var April_Dust_2018 =0 ;
+var May_Dust_2018 =0 ;
+var June_Dust_2018 =0 ;
+var Feb_Dust_2019 =0 ;
+var Mar_Dust_2019 =0 ;
+var April_Dust_2019 =0 ;
+var May_Dust_2019 =0 ;
+var June_Dust_2019 =0 ;
+var Feb_Dust_2020 =0 ;
+var Mar_Dust_2020 =0 ;
+var April_Dust_2020 =0 ;
+var May_Dust_2020 =0 ;
+var June_Dust_2020 =0 ;
+const request = require('request');
+var url;
+const Dust_URL = "http://openAPI.seoul.go.kr:8088/" //미세먼지 api주소_1
+const Dust_URL2 = "/xml/MonthlyAverageAirQuality/1/5/" //미세먼지 api주소_2
+const Dust_ServiceKey = "73754a53586a696d38345951716b6b" //Dust url의 key값
+const Dust_Place ='/'+urlencode("강남구") //측정한 장소
+
+//2020년 2월~6월 미세먼지 평균
+function DelayNode_2020(item)
+{  
+  return new Promise(function(resolve,reject){
+        setTimeout(function(){
+        url = Dust_URL+Dust_ServiceKey+Dust_URL2+item+Dust_Place;
+        request(url,function(error,res,body) {
+          if(error){
+            console.log('error=>${error}');
+          }
+          else{
+            if(res.statusCode == 200) {
+              var result = body;
+              xmlToJson = xml2js.xml2json(result, {compact: true, spaces: 4});
+              xmlToJson2 = JSON.parse(xmlToJson);
+                if(item == 202002){
+                  console.log("2미세먼지 농도:", xmlToJson2["MonthlyAverageAirQuality"]["row"]["PM10"]["_text"]);
+                  Feb_Dust_2020 = parseInt(xmlToJson2["MonthlyAverageAirQuality"]["row"]["PM10"]["_text"])
+                }
+                else if(item == 202003){
+                  console.log("3미세먼지 농도:", xmlToJson2["MonthlyAverageAirQuality"]["row"]["PM10"]["_text"]);
+                  Mar_Dust_2020 = parseInt(xmlToJson2["MonthlyAverageAirQuality"]["row"]["PM10"]["_text"])
+                }
+                else if(item == 202004){
+                  console.log("4미세먼지 농도:", xmlToJson2["MonthlyAverageAirQuality"]["row"]["PM10"]["_text"]);
+                  April_Dust_2020 = parseInt(xmlToJson2["MonthlyAverageAirQuality"]["row"]["PM10"]["_text"])
+                }
+                else if(item == 202005){
+                  console.log("5미세먼지 농도:", xmlToJson2["MonthlyAverageAirQuality"]["row"]["PM10"]["_text"]);
+                  May_Dust_2020 = parseInt(xmlToJson2["MonthlyAverageAirQuality"]["row"]["PM10"]["_text"])
+                }
+                else if(item == 202006){
+                  console.log("6미세먼지 농도:", xmlToJson2["MonthlyAverageAirQuality"]["row"]["PM10"]["_text"]);
+                  June_Dust_2020 = parseInt(xmlToJson2["MonthlyAverageAirQuality"]["row"]["PM10"]["_text"])
+            }
+          }
+        }
+      });
+      resolve();        
+    },500)
+  })
+}
+async function Dust_Month_2020(Dust_Month_2020){
+  for(let i=0;i<Dust_Month_2020.length;i++)
+  {
+    await DelayNode_2020(Dust_Month_2020[i]);
+  }
+}
+Dust_Month_2020([202002,202003,202004,202005,202006]);
+
+//2019년 2월~6월 미세먼지 평균
+function DelayNode_2019(item)
+{  
+  return new Promise(function(resolve,reject){
+        setTimeout(function(){
+        url = Dust_URL+Dust_ServiceKey+Dust_URL2+item+Dust_Place;
+        request(url,function(error,res,body) {
+          if(error){
+            console.log('error=>${error}');
+          }
+          else{
+            if(res.statusCode == 200) {
+              var result = body;
+              xmlToJson = xml2js.xml2json(result, {compact: true, spaces: 4});
+              xmlToJson2 = JSON.parse(xmlToJson);
+                if(item == 201902){
+                  console.log("2미세먼지 농도:", xmlToJson2["MonthlyAverageAirQuality"]["row"]["PM10"]["_text"]);
+                  Feb_Dust_2019 = parseInt(xmlToJson2["MonthlyAverageAirQuality"]["row"]["PM10"]["_text"])
+                }
+                else if(item == 201903){
+                  console.log("3미세먼지 농도:", xmlToJson2["MonthlyAverageAirQuality"]["row"]["PM10"]["_text"]);
+                  Mar_Dust_2019 = parseInt(xmlToJson2["MonthlyAverageAirQuality"]["row"]["PM10"]["_text"])
+                }
+                else if(item == 201904){
+                  console.log("4미세먼지 농도:", xmlToJson2["MonthlyAverageAirQuality"]["row"]["PM10"]["_text"]);
+                  April_Dust_2019 = parseInt(xmlToJson2["MonthlyAverageAirQuality"]["row"]["PM10"]["_text"])
+                }
+                else if(item == 201905){
+                  console.log("5미세먼지 농도:", xmlToJson2["MonthlyAverageAirQuality"]["row"]["PM10"]["_text"]);
+                  May_Dust_2019 = parseInt(xmlToJson2["MonthlyAverageAirQuality"]["row"]["PM10"]["_text"])
+                }
+                else if(item == 201906){
+                  console.log("6미세먼지 농도:", xmlToJson2["MonthlyAverageAirQuality"]["row"]["PM10"]["_text"]);
+                  June_Dust_2019 = parseInt(xmlToJson2["MonthlyAverageAirQuality"]["row"]["PM10"]["_text"])
+            }
+          }
+        }
+      });
+      resolve();        
+    },500)
+  })
+}
+async function Dust_Month_2019(Dust_Month_2019){
+  for(let i=0;i<Dust_Month_2019.length;i++)
+  {
+    await DelayNode_2019(Dust_Month_2019[i]);
+  }
+}
+Dust_Month_2019([201902,201903,201904,201905,201906]);
+
+
+//2018년 2월~6월 미세먼지 평균
+function DelayNode_2018(item)
+{  
+  return new Promise(function(resolve,reject){
+        setTimeout(function(){
+        url = Dust_URL+Dust_ServiceKey+Dust_URL2+item+Dust_Place;
+        request(url,function(error,res,body) {
+          if(error){
+            console.log('error=>${error}');
+          }
+          else{
+            if(res.statusCode == 200) {
+              var result = body;
+              xmlToJson = xml2js.xml2json(result, {compact: true, spaces: 4});
+              xmlToJson2 = JSON.parse(xmlToJson);
+                if(item == 201802){
+                  console.log("2미세먼지 농도:", xmlToJson2["MonthlyAverageAirQuality"]["row"]["PM10"]["_text"]);
+                  Feb_Dust_2018 = parseInt(xmlToJson2["MonthlyAverageAirQuality"]["row"]["PM10"]["_text"])
+                }
+                else if(item == 201803){
+                  console.log("3미세먼지 농도:", xmlToJson2["MonthlyAverageAirQuality"]["row"]["PM10"]["_text"]);
+                  Mar_Dust_2018 = parseInt(xmlToJson2["MonthlyAverageAirQuality"]["row"]["PM10"]["_text"])
+                }
+                else if(item == 201804){
+                  console.log("4미세먼지 농도:", xmlToJson2["MonthlyAverageAirQuality"]["row"]["PM10"]["_text"]);
+                  April_Dust_2018 = parseInt(xmlToJson2["MonthlyAverageAirQuality"]["row"]["PM10"]["_text"])
+                }
+                else if(item == 201805){
+                  console.log("5미세먼지 농도:", xmlToJson2["MonthlyAverageAirQuality"]["row"]["PM10"]["_text"]);
+                  May_Dust_2018 = parseInt(xmlToJson2["MonthlyAverageAirQuality"]["row"]["PM10"]["_text"])
+                }
+                else if(item == 201806){
+                  console.log("6미세먼지 농도:", xmlToJson2["MonthlyAverageAirQuality"]["row"]["PM10"]["_text"]);
+                  June_Dust_2018 = parseInt(xmlToJson2["MonthlyAverageAirQuality"]["row"]["PM10"]["_text"])
+            }
+          }
+        }
+      });
+      resolve();        
+    },500)
+  })
+}
+async function Dust_Month_2018(Dust_Month_2018){
+  for(let i=0;i<Dust_Month_2018.length;i++)
+  {
+    await DelayNode_2018(Dust_Month_2018[i]);
+  }
+}
+Dust_Month_2018([201802,201803,201804,201805,201806]);
+
+module.exports = function(app)
+{
+     app.get('/',function(req,res){
+        res.render('index',{
+          Feb_Dust_2018,
+          Mar_Dust_2018,
+          April_Dust_2018,
+          May_Dust_2018,
+          June_Dust_2018,
+          Feb_Dust_2019,
+          Mar_Dust_2019,
+          April_Dust_2019,
+          May_Dust_2019,
+          June_Dust_2019,
+          Feb_Dust_2020,
+          Mar_Dust_2020,
+          April_Dust_2020,
+          May_Dust_2020,
+          June_Dust_2020
+        })
+     });
+     app.get('/about',function(req,res){
+        res.render('about.ejs');
+    });
+}
\ No newline at end of file