function doPost(e) {
let data = JSON.parse(e.postData.getDataAsString());
let book = SpreadsheetApp.openById('スプレッドシートのID');
let sheet = book.getSheetByName("シート1");
let now = new Date();
sheet.appendRow([now,data.temperature,data.humidity]);
return ContentService.createTextOutput(JSON.stringify(e));
}