Node-Red 擷取 open data 即時天氣狀況暨溫濕度
https://opendata.epa.gov.tw/Data/Contents/ATM00698/
https://opendata.epa.gov.tw/webapi/api/rest/datastore/355000000I-000272?offset=0&limit=1000
http://opendata.epa.gov.tw/webapi/Data/ATM00698/?$skip=0&$top=1000&format=json
//==================================
flow.set("tempera",msg.payload);
var rawdata = flow.get("tempera");
var citynumber=rawdata.length;
var cityarray=[];
var i;
for (i=0; i<citynumber;i++)
{
cityarray[i]=rawdata[i].SiteName;
}
msg.payload=cityarray;
flow.set("loname",cityarray);
return msg;
//==================================
flow.set("tempera",msg.payload);
var rawdata = flow.get("tempera");
var citynumber=rawdata.length;
var i;
var Temp;
var Mois;
var Weat;
var dataDate;
for (i=0; i<citynumber;i++)
{
if (rawdata[i].SiteName==='臺中')
{
Temp=rawdata[i].Temperature;
Mois=rawdata[i].Moisture;
Weat=rawdata[i].Weather;
dataDate=rawdata[i].DataCreationDate;
break;
}
}
msg.payload='溫度='+Temp+'°C , 濕度='+Mois+'% , 天氣'+ Weat+ ' , 發佈時間' + dataDate;
return msg;
//==================================
flow.set("tempera",msg.payload);
var rawdata = flow.get("tempera");
var citynumber=rawdata.length;
var i;
var Temp;
var Mois;
var Weat;
var dataDate;
for (i=0; i<citynumber;i++)
{
if (rawdata[i].SiteName==='臺中')
{
Temp=rawdata[i].Temperature;
Mois=rawdata[i].Moisture;
Weat=rawdata[i].Weather;
dataDate=rawdata[i].DataCreationDate;
break;
}
}
msg.payload= Mois;
return msg;
//=================================
flow.set("tempera",msg.payload);
var rawdata = flow.get("tempera");
var citynumber=rawdata.length;
var i;
var Temp;
var Mois;
var Weat;
var dataDate;
for (i=0; i<citynumber;i++)
{
if (rawdata[i].SiteName==='臺中')
{
Temp=rawdata[i].Temperature;
Mois=rawdata[i].Moisture;
Weat=rawdata[i].Weather;
dataDate=rawdata[i].DataCreationDate;
break;
}
}
msg.payload= Temp;
return msg;
//================================
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i<citynumber;i++)\n{\n cityarray[i]=rawdata[i].SiteName;\n}\n\nmsg.payload=cityarray;\nflow.set(\"loname\",cityarray);\nreturn msg;","outputs":1,"noerr":0,"initialize":"","finalize":"","x":630,"y":120,"wires":[["9cf7ec6a.de0ec"]]},{"id":"9cf7ec6a.de0ec","type":"debug","z":"c1b84172.51787","name":"","active":true,"tosidebar":true,"console":false,"tostatus":false,"complete":"false","statusVal":"","statusType":"auto","x":810,"y":120,"wires":[]},{"id":"4bb9abf5.b29bf4","type":"function","z":"c1b84172.51787","name":"取得天氣溫濕度","func":"\nflow.set(\"tempera\",msg.payload);\nvar rawdata = flow.get(\"tempera\");\n\nvar citynumber=rawdata.length;\nvar i;\n\nvar Temp;\nvar Mois;\nvar Weat;\nvar dataDate;\n\nfor (i=0; i<citynumber;i++)\n{\n if (rawdata[i].SiteName==='臺中')\n {\n Temp=rawdata[i].Temperature;\n Mois=rawdata[i].Moisture;\n Weat=rawdata[i].Weather;\n dataDate=rawdata[i].DataCreationDate;\n break;\n }\n}\n\nmsg.payload='溫度='+Temp+'°C , 濕度='+Mois+'% , 天氣'+ Weat+ ' , 發佈時間' + dataDate;\nreturn msg;","outputs":1,"noerr":0,"initialize":"","finalize":"","x":620,"y":180,"wires":[["bfd558bd.5f41e8","b3f9559b.085eb8"]]},{"id":"bfd558bd.5f41e8","type":"debug","z":"c1b84172.51787","name":"","active":true,"tosidebar":true,"console":false,"tostatus":false,"complete":"false","statusVal":"","statusType":"auto","x":830,"y":180,"wires":[]},{"id":"b3f9559b.085eb8","type":"ui_text","z":"c1b84172.51787","group":"1cc27a89.bee075","order":0,"width":"12","height":"2","name":"","label":"","format":"{{msg.payload}}","layout":"col-center","x":810,"y":220,"wires":[]},{"id":"80baac1d.e7688","type":"function","z":"c1b84172.51787","name":"清除","func":"msg.payload=' ';\nreturn msg;","outputs":1,"noerr":0,"initialize":"","finalize":"","x":590,"y":380,"wires":[["b3f9559b.085eb8","4a7a499d.a293c8","84ad41ed.d8693"]]},{"id":"5a2d58c3.44eba8","type":"function","z":"c1b84172.51787","name":"濕度","func":"\nflow.set(\"tempera\",msg.payload);\nvar rawdata = flow.get(\"tempera\");\n\nvar citynumber=rawdata.length;\nvar i;\n\nvar Temp;\nvar Mois;\nvar Weat;\nvar dataDate;\n\nfor (i=0; 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