我有一个 HTML 表单，用户可以在其中向表单添加时间数据（开始和结束），并且可以选择多天来保存它。（这是一个循环泵每天的开关时间）。
这就是我处理表格的方式：
function saveCircularPumpTimes(){
$("#circularTableForm").on("submit",function(e){
e.preventDefault();
var inputs = $("#circularTableForm").serializeArray();
console.log(inputs);
/*
var newCircularObj = {
"mon":[
{ start:"", end:"" },
{ start:"", end:"" }
],
"tue":[
{ start:"", end:"" },
{ start:"", end:"" }
],
};
*/
var days = $("#circularPumpDays").val();
var datas = [];
for(var i = 0; i < inputs.length; i++){
// get all the time data to an array for easier processing later.
if( inputs[i].name.includes("circularPumpOnTimeStart") ){
datas.push( { start:"", end:"" } );
datas[datas.length-1].start = inputs[i].value;
}else if( inputs[i].name.includes("circularPumpOnTimeEnd") ){
datas[datas.length-1].end = inputs[i].value;
}
}
console.log("Days: ",days);
console.log("Datas: ",datas);
});
}
days 数组如下所示：
["mon", "tue", "wed"]
数据如下所示：
[
{start: "15:36", end: "16:36"},
{start: "15:36", end: "15:36"},
{start: "15:36", end: "15:37"},
{start: "15:36", end: "15:37"}
]
当用户选择多天时，我会这样做：
for(var i = 0; i < days.length; i++){
if(Object.prototype.hasOwnProperty.call(newCircularObj, days[i])) {
// User already have saved data for this day
if( prompt("This day already exist with data inside it. Would you like to overwrite?") ){
newCircularObj[days[i]] = [];
for(var k = 0; k < datas.length; k++){
newCircularObj[days[i]].push( datas[i] );
}
}
}else{
// We don't have saved data for this day, create new
newCircularObj = new Object(days[i]);
for(var k = 0; k < datas.length; k++){ // yeah this loop is duplicate. :( i will put it into a function
newCircularObj[days[i]].push( datas[i] );
}
}
}
这种方法的问题是数据将在对象内部多次存在，我必须将其保存到 MCU 中，因此空间非常重要。例如，如果用户每次都选择相同时间的所有 7 天，则数据将在对象中包含 7 次。
在 MCU 方面，我使用带有 ESP32 的ArduinoJSON库，我会像这样处理它（你可以看到整个字符串化的 json 对象一直在 ram 内，所以我真的需要空间）：
static const inline void processData(String DATA){ // in every single minute we have to do this and search for the start time.
boolean found = false;
SpiRamJsonDocument doc(15000);
DeserializationError error = deserializeJson(doc, DATA); // we get the data as a JSON string.
if (error) {
String Error = "JSON Error Pump ~ ";
Error += String(error.c_str());
errorLog(Error);
Send_Async("No Memory for circular Pump DATA", ";RoomHeating");
}else {
JsonObject documentRoot = doc.as<JsonObject>();
for (JsonPair timeData : documentRoot) {
if(Time.Get_Day() == timeData.key().c_str()){ // Time.Get_Day() is equalent with the current day String like "mon" or "tue"
// if the day is okay we have to search for the times
JsonArray Day = doc[Time.Get_Day()];
for(int i = 0; i < Day.size(); i++){
if(Time_Has_Reached(Day[i]["start"],Day[i]["end"])){ // function for check if the start time has passed but the end is not
// if in between
found = true;
break;
}
}
if(found){break;}
}
}
}
if(found){
// Turn on the pump
}else{
// Turn off the pump
}
}
所以问题是，如果时间数据已经保存到一天以提高效率，我该如何安排对象以便时间数据只存在一次。
编辑：来自最终对象的示例：
var newCircularObj = {
"mon":[
{ start:"14:10", end:"15:10" },
{ start:"14:10", end:"15:10" },
{ start:"14:10", end:"15:10" },
{ start:"14:10", end:"15:10" },
{ start:"14:10", end:"15:10" },
{ start:"14:10", end:"15:10" },
],
"tue":[
{ start:"14:10", end:"15:10" },
{ start:"14:10", end:"15:10" },
{ start:"14:10", end:"15:10" },
{ start:"14:10", end:"15:10" },
{ start:"14:10", end:"15:10" },
{ start:"14:10", end:"15:10" },
],
"wed":[
{ start:"14:10", end:"15:10" },
{ start:"14:10", end:"15:10" },
{ start:"14:10", end:"15:10" },
{ start:"14:10", end:"15:10" },
{ start:"14:10", end:"15:10" },
{ start:"14:10", end:"15:10" },
],
"thu":[
{ start:"14:10", end:"15:10" },
{ start:"14:10", end:"15:10" },
{ start:"14:10", end:"15:10" },
{ start:"14:10", end:"15:10" },
{ start:"14:10", end:"15:10" },
{ start:"14:10", end:"15:10" },
],
"sat":[
{ start:"14:10", end:"15:10" },
{ start:"14:10", end:"15:10" },
{ start:"14:10", end:"15:10" },
{ start:"14:10", end:"15:10" },
{ start:"14:10", end:"15:10" },
{ start:"14:10", end:"15:10" },
],
};