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    Node-red: Spritpreise einlesen

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    • Homoran
      Homoran Global Moderator Administrators last edited by

      Ich habe nochmal weitergespielt und versucht bestimmte Tankstellen auszulesen.

      irgendwie scheint es nicht zu klappen, wenn Tankstellen geschlossen sind.

      Daraufhin habe ich mal einen anderen flow versucht:

      [{"id":"f43c2035.0bc3e","type":"inject","name":"Abfrage alle 15min starten","topic":"","payload":"","payloadType":"date","repeat":"900","crontab":"","once":true,"x":152,"y":558,"z":"9e1279a2.61ed88","wires":[["85444a5a.7abbb8","ff83a1a3.007c6","a7ee9dc6.58116","5388aedb.ac775","7469e67a.8b9618","4cae17ec.b351e8"]]},{"id":"85444a5a.7abbb8","type":"http request","name":"Tankerkoenig mit API abfragen","method":"GET","ret":"obj","url":"https://creativecommons.tankerkoenig.de/json/list.php?lat=50.893151&lng=6.9657667&rad=1&sort=dist&type=diesel&apikey=K E Y","x":521,"y":95,"z":"9e1279a2.61ed88","wires":[["ebc81b8e.1437e8"]]},{"id":"1e693115.e196cf","type":"debug","name":"","active":true,"console":"false","complete":"false","x":1042,"y":39,"z":"9e1279a2.61ed88","wires":[]},{"id":"ebc81b8e.1437e8","type":"function","name":"Daten extrahieren","func":"msg1 = {};\nmsg1.payload = msg.payload.stations[0].name;\n\nmsg2 = {};\nmsg2.payload = msg.payload.stations[0].street;\n\nmsg3 = {};\nmsg3.payload = msg.payload.stations[0].houseNumber;\n\nmsg4 = {};\nmsg4.payload = msg.payload.stations[0].price;\n\nreturn [msg1,msg2,msg3,msg4];","outputs":"4","x":769,"y":95,"z":"9e1279a2.61ed88","wires":[["1e693115.e196cf"],["f5204af4.0adfb8"],["dff4d929.200b28"],["7d69bcf0.829644","84d48ee.f7b2b7"]]},{"id":"84d48ee.f7b2b7","type":"debug","name":"","active":true,"console":"false","complete":"false","x":1040,"y":148,"z":"9e1279a2.61ed88","wires":[]},{"id":"dff4d929.200b28","type":"debug","name":"","active":true,"console":"false","complete":"false","x":1036,"y":111,"z":"9e1279a2.61ed88","wires":[]},{"id":"f5204af4.0adfb8","type":"debug","name":"","active":true,"console":"false","complete":"false","x":1039,"y":74,"z":"9e1279a2.61ed88","wires":[]},{"id":"ff83a1a3.007c6","type":"http request","name":"Tankerkoenig mit API abfragen","method":"GET","ret":"obj","url":"https://creativecommons.tankerkoenig.de/json/list.php?lat=50.8990027&lng=6.9540347&rad=1&sort=dist&type=diesel&apikey=K E Y","x":520,"y":258,"z":"9e1279a2.61ed88","wires":[["b9eb86a6.461478"]]},{"id":"9cb060b8.634fa","type":"debug","name":"","active":true,"console":"false","complete":"false","x":1038,"y":204,"z":"9e1279a2.61ed88","wires":[]},{"id":"b9eb86a6.461478","type":"function","name":"Daten extrahieren","func":"msg1 = {};\nmsg1.payload = msg.payload.stations[0].name;\n\nmsg2 = {};\nmsg2.payload = msg.payload.stations[0].street;\n\nmsg3 = {};\nmsg3.payload = msg.payload.stations[0].houseNumber;\n\nmsg4 = {};\nmsg4.payload = msg.payload.stations[0].price;\n\nreturn [msg1,msg2,msg3,msg4];","outputs":"4","x":765,"y":258,"z":"9e1279a2.61ed88","wires":[["9cb060b8.634fa"],["dcf00ebb.230ff"],["5a2cafa1.a5d35"],["5015d0a5.afea3","a6e00459.591ff8"]]},{"id":"5015d0a5.afea3","type":"debug","name":"","active":true,"console":"false","complete":"false","x":1034,"y":312,"z":"9e1279a2.61ed88","wires":[]},{"id":"5a2cafa1.a5d35","type":"debug","name":"","active":true,"console":"false","complete":"false","x":1032,"y":276,"z":"9e1279a2.61ed88","wires":[]},{"id":"dcf00ebb.230ff","type":"debug","name":"","active":true,"console":"false","complete":"false","x":1035,"y":239,"z":"9e1279a2.61ed88","wires":[]},{"id":"a7ee9dc6.58116","type":"http request","name":"Tankerkoenig mit API abfragen","method":"GET","ret":"obj","url":"https://creativecommons.tankerkoenig.de/json/list.php?lat=50.8580184&lng=6.9646159&rad=1&sort=dist&type=diesel&apikey=K E Y","x":514,"y":413,"z":"9e1279a2.61ed88","wires":[["795bad8d.86a454"]]},{"id":"790c1e85.86f3e","type":"debug","name":"","active":true,"console":"false","complete":"false","x":1037,"y":358,"z":"9e1279a2.61ed88","wires":[]},{"id":"795bad8d.86a454","type":"function","name":"Daten extrahieren","func":"msg1 = {};\nmsg1.payload = msg.payload.stations[0].name;\n\nmsg2 = {};\nmsg2.payload = msg.payload.stations[0].street;\n\nmsg3 = {};\nmsg3.payload = msg.payload.stations[0].houseNumber;\n\nmsg4 = {};\nmsg4.payload = msg.payload.stations[0].price;\n\nreturn [msg1,msg2,msg3,msg4];","outputs":"4","x":764,"y":413,"z":"9e1279a2.61ed88","wires":[["790c1e85.86f3e"],["3203ed64.cdfc12"],["a7a536d2.585ac8"],["2867900c.d7987","16c04316.e93fbd"]]},{"id":"2867900c.d7987","type":"debug","name":"","active":true,"console":"false","complete":"false","x":1033,"y":466,"z":"9e1279a2.61ed88","wires":[]},{"id":"a7a536d2.585ac8","type":"debug","name":"","active":true,"console":"false","complete":"false","x":1031,"y":430,"z":"9e1279a2.61ed88","wires":[]},{"id":"3203ed64.cdfc12","type":"debug","name":"","active":true,"console":"false","complete":"false","x":1034,"y":393,"z":"9e1279a2.61ed88","wires":[]},{"id":"7d69bcf0.829644","type":"ioBroker out","name":"Diesel Verteilerkreis","topic":"Diesel_Verteilerkreis","ack":"true","autoCreate":"true","x":1262,"y":145,"z":"9e1279a2.61ed88","wires":[]},{"id":"a6e00459.591ff8","type":"ioBroker out","name":"Diesel Star Brühler Straße","topic":"Diesel_star","ack":"true","autoCreate":"true","x":1266,"y":313,"z":"9e1279a2.61ed88","wires":[]},{"id":"16c04316.e93fbd","type":"ioBroker out","name":"Diesel Metro","topic":"Diesel_metro","ack":"true","autoCreate":"true","x":1259,"y":464,"z":"9e1279a2.61ed88","wires":[]},{"id":"7469e67a.8b9618","type":"http request","name":"Tankerkoenig mit API abfragen","method":"GET","ret":"obj","url":"https://creativecommons.tankerkoenig.de/json/list.php?lat=50.893151&lng=6.9657667&rad=1&sort=dist&type=e5&apikey=K E Y","x":515,"y":608,"z":"9e1279a2.61ed88","wires":[["7746034c.88b9fc"]]},{"id":"c1604de1.3e9fb","type":"debug","name":"","active":true,"console":"false","complete":"false","x":1037,"y":552,"z":"9e1279a2.61ed88","wires":[]},{"id":"7746034c.88b9fc","type":"function","name":"Daten extrahieren","func":"msg1 = {};\nmsg1.payload = msg.payload.stations[0].name;\n\nmsg2 = {};\nmsg2.payload = msg.payload.stations[0].street;\n\nmsg3 = {};\nmsg3.payload = msg.payload.stations[0].houseNumber;\n\nmsg4 = {};\nmsg4.payload = msg.payload.stations[0].price;\n\nreturn [msg1,msg2,msg3,msg4];","outputs":"4","x":768,"y":608,"z":"9e1279a2.61ed88","wires":[["c1604de1.3e9fb"],["fb673b92.0498c8"],["6752f2ef.98ad0c"],["d3dfa1cb.2c206","9947461b.66b8b8"]]},{"id":"9947461b.66b8b8","type":"debug","name":"","active":true,"console":"false","complete":"false","x":1035,"y":661,"z":"9e1279a2.61ed88","wires":[]},{"id":"6752f2ef.98ad0c","type":"debug","name":"","active":true,"console":"false","complete":"false","x":1031,"y":624,"z":"9e1279a2.61ed88","wires":[]},{"id":"fb673b92.0498c8","type":"debug","name":"","active":true,"console":"false","complete":"false","x":1034,"y":587,"z":"9e1279a2.61ed88","wires":[]},{"id":"4cae17ec.b351e8","type":"http request","name":"Tankerkoenig mit API abfragen","method":"GET","ret":"obj","url":"https://creativecommons.tankerkoenig.de/json/list.php?lat=50.8990027&lng=6.9540347&rad=1&sort=dist&type=e5&apikey=K E Y","x":519,"y":764,"z":"9e1279a2.61ed88","wires":[["c95cc0bd.36a34"]]},{"id":"cbeeb167.34115","type":"debug","name":"","active":true,"console":"false","complete":"false","x":1033,"y":710,"z":"9e1279a2.61ed88","wires":[]},{"id":"c95cc0bd.36a34","type":"function","name":"Daten extrahieren","func":"msg1 = {};\nmsg1.payload = msg.payload.stations[0].name;\n\nmsg2 = {};\nmsg2.payload = msg.payload.stations[0].street;\n\nmsg3 = {};\nmsg3.payload = msg.payload.stations[0].houseNumber;\n\nmsg4 = {};\nmsg4.payload = msg.payload.stations[0].price;\n\nreturn [msg1,msg2,msg3,msg4];","outputs":"4","x":770,"y":764,"z":"9e1279a2.61ed88","wires":[["cbeeb167.34115"],["b79b2d1c.4864d"],["2f01c3a8.d0fe3c"],["e5a2c197.1a5d4","10e313f5.ef1cec"]]},{"id":"e5a2c197.1a5d4","type":"debug","name":"","active":true,"console":"false","complete":"false","x":1029,"y":818,"z":"9e1279a2.61ed88","wires":[]},{"id":"2f01c3a8.d0fe3c","type":"debug","name":"","active":true,"console":"false","complete":"false","x":1027,"y":782,"z":"9e1279a2.61ed88","wires":[]},{"id":"b79b2d1c.4864d","type":"debug","name":"","active":true,"console":"false","complete":"false","x":1030,"y":745,"z":"9e1279a2.61ed88","wires":[]},{"id":"5388aedb.ac775","type":"http request","name":"Tankerkoenig mit API abfragen","method":"GET","ret":"obj","url":"https://creativecommons.tankerkoenig.de/json/list.php?lat=50.8580184&lng=6.9646159&rad=1&sort=dist&type=e5&apikey=K E Y","x":521,"y":924,"z":"9e1279a2.61ed88","wires":[["565b7f0.fa9a48"]]},{"id":"46f30145.b90d","type":"debug","name":"","active":true,"console":"false","complete":"false","x":1032,"y":867,"z":"9e1279a2.61ed88","wires":[]},{"id":"565b7f0.fa9a48","type":"function","name":"Daten extrahieren","func":"msg1 = {};\nmsg1.payload = msg.payload.stations[0].name;\n\nmsg2 = {};\nmsg2.payload = msg.payload.stations[0].street;\n\nmsg3 = {};\nmsg3.payload = msg.payload.stations[0].houseNumber;\n\nmsg4 = {};\nmsg4.payload = msg.payload.stations[0].price;\n\nreturn [msg1,msg2,msg3,msg4];","outputs":"4","x":770,"y":924,"z":"9e1279a2.61ed88","wires":[["46f30145.b90d"],["2f81f08e.d07e1"],["847629c1.7b89d8"],["2eb7227.fd148de","8dd45ac2.722ba8"]]},{"id":"2eb7227.fd148de","type":"debug","name":"","active":true,"console":"false","complete":"false","x":1028,"y":975,"z":"9e1279a2.61ed88","wires":[]},{"id":"847629c1.7b89d8","type":"debug","name":"","active":true,"console":"false","complete":"false","x":1026,"y":939,"z":"9e1279a2.61ed88","wires":[]},{"id":"2f81f08e.d07e1","type":"debug","name":"","active":true,"console":"false","complete":"false","x":1029,"y":902,"z":"9e1279a2.61ed88","wires":[]},{"id":"d3dfa1cb.2c206","type":"ioBroker out","name":"E5 Verteilerkreis","topic":"e5_Verteilerkreis","ack":"true","autoCreate":"true","x":1257,"y":658,"z":"9e1279a2.61ed88","wires":[]},{"id":"10e313f5.ef1cec","type":"ioBroker out","name":"E5 Star Brühler Straße","topic":"e5_star","ack":"true","autoCreate":"true","x":1261,"y":819,"z":"9e1279a2.61ed88","wires":[]},{"id":"8dd45ac2.722ba8","type":"ioBroker out","name":"E5 Metro","topic":"e5_metro","ack":"true","autoCreate":"true","x":1262,"y":977,"z":"9e1279a2.61ed88","wires":[]}]
      

      Dazu habe ich für jede Tankstelle eine Abfrage beim Tankerkönig mit exakten Koordinaten und einem radius von 1 (geht es auch kleiner? 0 hat er nicht genommen) und sort=dist(ance).
      144_iobroker_nodered_sprit_fix.jpg

      Außerdem gibt er mir Name, Straße und Hausnummer mit aus, dadurch sehe ich ob es die Richtige Tanke ist, wobei das wichtiger ist, wenn man nach Preis sortiert.

      Beim verwenden des Flows bitte euren apikey und die Koordinaten der gewünschten Tanke eingeben

      Gruß

      Rainer

      1 Reply Last reply Reply Quote 0
      • ruhr70
        ruhr70 last edited by

        Hallo Rainer,

        schöner flow 🙂

        Wenn Du gezielt Tankstellen abfragen willst, dann kannst Du das über die ID der Tankstelle und der Detailabfrage machen.

        Beispiel, Abfrage der Tankstelle mit der ID 646a461e-2341-4b5f-8f8b-09edc8f7d22c

        https://creativecommons.tankerkoenig.de … 5552056644

        (funktioniert ohne den API-Key)

        Dort findest Du dann auch die Öffnungszeiten der Tankstelle.

        Folgende Datenfelder werden ausgegeben:

        327_2015-04-23_tankerk_nig_detailabfrage.jpg

        Viele Grüße nach Godorf 😉

        Michael

        1 Reply Last reply Reply Quote 0
        • Homoran
          Homoran Global Moderator Administrators last edited by

           Viele Grüße nach Godorf ;-) 
          

          Knapp daneben [emoji6]

          Womit und wie machst du die Tabellen?

          Gruß

          Rainer

          1 Reply Last reply Reply Quote 0
          • ruhr70
            ruhr70 last edited by

            Ich habe mir einen speziellen JSON Editor installiert.

            In meinem Fall Cocoa JSON Editor für den Mac.

            Und dann einfach "neue Datei aus Zwischenablage" auswählen.

            1 Reply Last reply Reply Quote 0
            • P
              pix last edited by

              http://codebeautify.org/jsonviewer ist auch ganz praktisch.

              Gruß

              Pix

              1 Reply Last reply Reply Quote 0
              • ruhr70
                ruhr70 last edited by

                @pix:

                http://codebeautify.org/jsonviewer ist auch ganz praktisch.

                Gruß

                Pix `

                Danke! Super Tipp!

                1 Reply Last reply Reply Quote 0
                • Bluefox
                  Bluefox last edited by

                  Es gibt auch plugin für notepad++ - JSTool
                  48_json.png

                  1 Reply Last reply Reply Quote 0
                  • derAuge
                    derAuge last edited by

                    so,

                    nachdem ich nun auch wieder ein TestSystem laufen habe wollte ich auch weiter mit NODE-RED testen

                    ` > msg.payload = msg.payload.stations[1].price;

                    return msg; `

                    wenn ich diese function nehme bekomme ich immer eine Fehlermeldung

                    TypeError: Cannot read property '1' of undefined (line 1, col 35)
                    
                    
                    	25 Apr 20:00:18 - [error] [function:Station 1] TypeError: Cannot read property '1' of undefined (line 1, col 35)
                    
                    

                    was mache ich falsch?

                    wie ist da der Stand bei euch?

                    Gruß

                    derAuge

                    1 Reply Last reply Reply Quote 0
                    • ruhr70
                      ruhr70 last edited by

                      Was kommt denn, wenn Du die URL, die Du im http response node eingetragen hast, direkt im Browser eingibst?

                      Kannst Du das Ergebnis hier posten.

                      stations[1] ist die zweite Tankstelle.

                      Vielleicht ergibt Dein eingestellter Radius ja weniger als eine Tankstelle.

                      1 Reply Last reply Reply Quote 0
                      • derAuge
                        derAuge last edited by

                        {"license":"CC BY 4.0 -  http:\/\/creativecommons.tankerkoenig.de","data":"MTS-K","stations":[{"name":"JET BORKEN NORDRING 46-48","lat":51.84667,"lng":6.84642,"brand":"JET","dist":1.7,"price":1.189,"id":"XXXX","street":"NORDRING 46-48","houseNumber":null,"postCode":46325,"place":"BORKEN"},{"name":"AVIA Tankstelle","lat":51.852592,"lng":6.864203,"brand":"AVIA","dist":0.4,"price":1.199,"id":"11652441-f3fc-4fc9-a87a-664db366b5af","street":"Ahauser Stra\u00dfe","houseNumber":"21","postCode":46325,"place":"Borken"},{"name":"AVIA Tankstelle","lat":51.85873,"lng":6.8657813,"brand":"AVIA","dist":0.8,"price":1.199,"id":"XXXX","street":"Ahauser Stra\u00dfe","houseNumber":"84","postCode":46325,"place":"Borken"},{"name":"A. Kuenstler GmbH","lat":51.86033,"lng":6.87505,"brand":"A. Kuenstler GmbH","dist":1,"price":1.199,"id":"XXXX","street":"Landwehr","houseNumber":"27","postCode":46325,"place":"Borken"},{"name":"AVIA Service Station","lat":51.857345,"lng":6.875487,"brand":"Freie Tankstelle","dist":0.8,"price":1.239,"id":"XXXX","street":"Otto-Hahn-Str.","houseNumber":"35","postCode":46325,"place":"Borken"},{"name":"Autozentrum Ebber GmbH & Co.KG","lat":51.83871,"lng":6.85797,"brand":"Westfalen","dist":1.6,"price":1.239,"id":"XXXX","street":"Raesfelder Str.","houseNumber":"24","postCode":46325,"place":"Borken"},{"name":"Aral Tankstelle","lat":51.844696,"lng":6.843055,"brand":"ARAL","dist":2,"price":1.239,"id":"XXXX","street":"Nordring","houseNumber":"178","postCode":46325,"place":"Borken"}]}
                        
                        

                        1620_betriebsstundenzaehler_097.js

                        1 Reply Last reply Reply Quote 0
                        • ruhr70
                          ruhr70 last edited by

                          Um Deine zweite Frage zu beantworten… es funktioniert wunderbar.

                          Deine URL ermittelt sieben Tankstellen.

                          Deine Funktion müsste den Preis der 2. Tankstelle ermitteln (derzeit AVIA), 1,199 EUR.

                          Ich würde jetzt ein Debug node direkt hinter dem http response node setzen. Dann müsste die Ausgabe rauskommen, die Du vorhin gepostet hattest.

                          1 Reply Last reply Reply Quote 0
                          • derAuge
                            derAuge last edited by

                            @ruhr70:

                            Um Deine zweite Frage zu beantworten… es funktioniert wunderbar.

                            Deine URL ermittelt sieben Tankstellen.

                            Deine Funktion müsste den Preis der 2. Tankstelle ermitteln (derzeit AVIA), 1,199 EUR.

                            Ich würde jetzt ein Debug node direkt hinter dem http response node setzen. Dann müsste die Ausgabe rauskommen, die Du vorhin gepostet hattest. `

                            genau das habe ich ja gemacht
                            315_tanker.png

                            ich schreich ja auch in eine Datei

                            Da kann ich ja sehen was abgeholt wurde

                            aber die Funktion (Station 1) bringt nur die Fehlermeldung

                            msg.payload = msg.payload.stations[1].price;
                            return msg;
                            
                            1 Reply Last reply Reply Quote 0
                            • ruhr70
                              ruhr70 last edited by

                              der Returntyp aus der http Abfrage ist falsch.

                              Du nutzt noch Text aus dem ersten Beispiel ganz oben.

                              Um JSON mit dem Script auszugeben muss der Returntyp auf Objekt stehen.

                              D.h. Deine erste Funktion wird dann nicht mehr korrekt funktionieren.

                              Gesendet von iPhone mit Tapatalk

                              1 Reply Last reply Reply Quote 0
                              • derAuge
                                derAuge last edited by

                                Super

                                Danke für den Tipp

                                Wenn es als Objekt übergeben wird
                                315_node-red_json-objekt.png
                                dann funktioniert es

                                Gruß

                                derAuge

                                1 Reply Last reply Reply Quote 0
                                • derAuge
                                  derAuge last edited by

                                  @ruhr70:

                                  Hallo Rainer,

                                  schöner flow 🙂

                                  Wenn Du gezielt Tankstellen abfragen willst, dann kannst Du das über die ID der Tankstelle und der Detailabfrage machen.

                                  Beispiel, Abfrage der Tankstelle mit der ID 646a461e-2341-4b5f-8f8b-09edc8f7d22c

                                  https://creativecommons.tankerkoenig.de … 5552056644

                                  (funktioniert ohne den API-Key)

                                  Dort findest Du dann auch die Öffnungszeiten der Tankstelle.

                                  Folgende Datenfelder werden ausgegeben:
                                  filename="2015-04-23 Tankerkönig Detailabfrage.jpg" index="0">~~
                                  Viele Grüße nach Godorf 😉

                                  Michael `

                                  Hallo Michael,

                                  das möchte ich auch umsetzen.

                                  nutze ein GET mit "https://creativecommons.tankerkoenig.de/json/detail.php + id + Key"

                                  wird als JSON- Objekt übergeben

                                  Das speichen in deiner Datei ergibt folgenden Inhalt:

                                  {
                                  	"license" : "CC BY 4.0 -  http://creativecommons.tankerkoenig.de",
                                  	"data" : "MTS-K",
                                  	"station" : {
                                  		"id" : "51d4b6b0-a095-1aa0-e100-80009459e03a",
                                  		"name" : "JET BORKEN NORDRING 46-48",
                                  		"brand" : "JET",
                                  		"street" : "NORDRING 46-48",
                                  		"houseNumber" : null,
                                  		"postCode" : 46325,
                                  		"place" : "BORKEN",
                                  		"overrides" : [],
                                  		"openUntil" : 1430172000,
                                  		"isOpen" : true,
                                  		"e5" : 1.509,
                                  		"e10" : 1.489,
                                  		"diesel" : 1.279,
                                  		"lat" : 51.84667,
                                  		"lng" : 6.84642,
                                  		"state" : null,
                                  		"openingTimes" : [{
                                  				"text" : "Montag, Dienstag, Mittwoch, Donnerstag",
                                  				"start" : "05:00:00",
                                  				"end" : "00:00:00"
                                  			}, {
                                  				"text" : "Freitag, Sonntag",
                                  				"start" : "07:00:00",
                                  				"end" : "00:00:00"
                                  			}, {
                                  				"text" : "Samstag",
                                  				"start" : "06:00:00",
                                  				"end" : "00:00:00"
                                  			}
                                  		]
                                  	}
                                  }
                                  
                                  

                                  nun möchte ich über eine Funktion ein einige Daten heraus filtern

                                  z.B.:

                                  msg1 = {};
                                  msg1.payload = msg.payload.station[0].name;
                                  msg2 = {};
                                  msg2.payload = msg.payload.station[0].diesel;
                                  msg3 = {};
                                  msg3.payload = msg.payload.station[0].isOpen;
                                  msg4 = {};
                                  msg4.payload = msg.payload.station[0].openUntil;
                                  
                                  return [msg1,msg2,msg3,msg4];
                                  
                                  

                                  das funktioniert leider nicht. :oops: Ich habe da wohl noch einiges nicht verstanden

                                  folgende Fehlermeldung:

                                  • TypeError: Cannot read property '0' of undefined (line 1, col 39
                                  • node-red-0 2015-04-26 13:12:57 error 26 Apr 13:12:57 - [error] [function:(detail) Daten extrahieren] TypeError: Cannot read property '0' of undefined (line 1, col 39)

                                  Was mache ich falsch?

                                  Gruß

                                  derAuge

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                                  • ruhr70
                                    ruhr70 last edited by

                                    bin unterwegs

                                    nimm mal bitte das [0] weg.

                                    Gesendet von iPhone mit Tapatalk

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                                    • derAuge
                                      derAuge last edited by

                                      @ruhr70:

                                      bin unterwegs

                                      nimm mal bitte das [0] weg. `

                                      Danke für den Tipp.

                                      So geht es:

                                      msg1 = {};
                                      msg1.payload = msg.payload.station.name;
                                      msg2 = {};
                                      msg2.payload = msg.payload.station.diesel;
                                      msg3 = {};
                                      msg3.payload = msg.payload.station.isOpen;
                                      msg4 = {};
                                      msg4.payload = msg.payload.station.openUntil;
                                      
                                      return [msg1,msg2,msg3,msg4];
                                      
                                      

                                      Dann kann ich nun weiter testen (lernen)

                                      Gruß

                                      derAuge

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                                      • ruhr70
                                        ruhr70 last edited by

                                        na, dann sind wir da ähnlich weit.

                                        hab mit dem Thema auch gerade erst angefangen.

                                        wie ich das verstanden habe hängt es von der Struktur des JSON ab, Ob du [] brauchst oder nicht.

                                        wenn es mehrere Werte geben kann ist der Teil als Array (?) strukturiert. dann brauchst du die Klammern. Das erkennt man an der Baumstruktur

                                        sorry für den chaotischer Text. Er ist per Spracheingabe diktiert.

                                        Gesendet von iPhone mit Tapatalk

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                                        • P
                                          pix last edited by

                                          Hallo,

                                          mich hat bei der Ausgabe der Spritpreise die dritte Stelle nach dem Komma (Hoch 9) gestört. In Deutschland wird sie zur Berechnung herangezogen,im Sprachgebrauch aber nie genannt. Zur Anzeige in VIS habe ich deshalb ein kleines Skript geschrieben, dass den Preis auf zwei Nachkommastellen setzt, ohne zu runden.

                                          /* System VIS Spritpreis
                                          
                                          Skript kürzt Spritpreis aus Node Red um eine Stelle (von drei auf zwei Stellen nach dem Komma)
                                          in Vis Widget wird die Entität ⁹ (hoch 9) bzw mit <sup>9</sup> angehängt.
                                          (aus 1.119 wird 1.11hoch9)
                                          
                                          erstellt: 28.04.2015 von pix
                                          */
                                          
                                          // Erstellen der Variablen
                                          createState('Sprit_Preis_kurz');
                                          
                                          var idPreis = "node-red.0.sprit_preis"/*sprit_preis*/
                                              idPreis_kurz = "javascript.0.Sprit_Preis_kurz";
                                          
                                          // Preis kürzen
                                          on( {
                                              id: idPreis,
                                              valGt: 0
                                          }, function (data) {
                                              var rechenwert = data.newState.val * 100; // 100facher Preis jetzt mit einer Nachkommastelle
                                              rechenwert = Math.floor(rechenwert); // Nachkommastelle (.9) wird abgeschnitten
                                              rechenwert = rechenwert/100; // es bleiben zwei Nachkommastellen
                                              setState(idPreis_kurz, rechenwert);
                                          
                                          });
                                          

                                          261_bildschirmfoto_2015-04-28_um_15.49.52.jpg

                                          Voranstellen HTML:````
                                          Diesel

                                          HTML anhängen:````
                                          <sup>9</sup> €
                                          

                                          Font-Size: 30px

                                          261_bildschirmfoto_2015-04-28_um_15.53.35.jpg

                                          Gruß

                                          Pix

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                                          • Homoran
                                            Homoran Global Moderator Administrators last edited by

                                            Das ist eine gute Idee. Die Optik ist super, aber….

                                            Es gibt tatsächlich Tankstellen, die mit halben cent arbeiten und z.b. den Diesel dann für 1.184 anbieten.

                                            Gruß

                                            Rainer

                                            Gesendet von meinem Cynus T7 mit Tapatalk

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