2023年11月4日 星期六

SQLITE Database範例 V1.1

SQLITE Database範例 V1.1

(新增 更正 刪除 查詢)








更正一筆資料 function

var id = global.get("ID");

var status = msg.payload.Status;

var date = msg.payload.date;

var time = msg.payload.time;


var s=global.get("SEL3")

msg.topic="";

var temp="";


if (s==3)

{

    temp ="update LEDSTATUS set ";

    temp=temp+"  STATUS= '" + status +"'";

    temp=temp+" , Date= '" + date +"'";

    temp=temp+" , Time= '" + time +"'";

    temp=temp+"  WHERE id=" + id;

    

    //msg.topic = "update LEDSTATUS set ( id , STATUS , Date , Time ) VALUES ($id,  $status ,  $date ,  $time ) " ;

    //msg.payload = [id,status,date,time]

}

msg.topic=temp;

return msg;

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Today = new Date();\nvar yyyy = Today.getFullYear(); //年\nvar MM = Today.getMonth()+1;    //月\nvar dd = Today.getDate();       //日\nvar h = Today.getHours();       //時\nvar m = Today.getMinutes();     //分\nvar s = Today.getSeconds();     //秒\nif(MM<10)\n{\n   MM = '0'+MM;\n}\n\nif(dd<10)\n{\n   dd = '0'+dd;\n}\n\nif(h<10)\n{\n   h = '0'+h;\n}\n\nif(m<10)\n{\n  m = '0' + m;\n}\n\nif(s<10)\n{\n  s = '0' + s;\n}\nvar var_date = yyyy+'/'+MM+'/'+dd;\nvar var_time = h+':'+m+':'+s;\n\nvar myLED = msg.payload;\n\n\nmsg.topic = \"INSERT INTO LEDSTATUS ( STATUS , Date , Time ) VALUES ($myLED,  $var_date ,  $var_time ) \" ;\nmsg.payload = [myLED, var_date , var_time ]\nreturn msg;\n\n\n//INSERT INTO LEDSTATUS (\n//id INTEGER,\n//STATUS TEXT,\n//Date DATE,\n//Time TIME,\n//PRIMARY KEY 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global.get(\"ID\");\nvar status = msg.payload.Status;\nvar date = msg.payload.date;\nvar time = msg.payload.time;\n\nvar s=global.get(\"SEL3\")\nmsg.topic=\"\";\nvar temp=\"\";\n\nif (s==3)\n{\n    temp =\"update LEDSTATUS set \";\n    temp=temp+\"  STATUS= '\" + status +\"'\";\n    temp=temp+\" , Date= '\" + date +\"'\";\n    temp=temp+\" , Time= '\" + time +\"'\";\n    temp=temp+\"  WHERE id=\" + id;\n    \n    //msg.topic = \"update LEDSTATUS set ( id , STATUS , Date , Time ) VALUES ($id,  $status ,  $date ,  $time ) \" ;\n    //msg.payload = [id,status,date,time]\n}\nmsg.topic=temp;\n\nreturn msg;\n\n//msg.topic = \"INSERT INTO LEDSTATUS ( STATUS , Date , Time ) VALUES ($myLED,  $var_date ,  $var_time ) \" ;\n//msg.payload = [myLED, var_date , var_time ]\n\n\n//SELECT * FROM COMPANY WHERE AGE  LIKE 'XXX%';\n//INSERT INTO LEDSTATUS (\n//id INTEGER,\n//STATUS TEXT,\n//Date DATE,\n//Time TIME,\n//PRIMARY KEY (id)\n//);\n\n//DELETE FROM COMPANY WHERE ID = 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WOKWI DHT22 & LED , Node-Red + SQLite database

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