今日の３時間ごと天気、気温などをSlack、ChatworkにポストするGAS

postWeather.gs

function myFunction() {

  var msg = "";
  
  //名古屋市の天気
  var result = getWeatherInfo("https://tenki.jp/lite/forecast/5/26/5110/23100/3hours.html");
  msg += makeMessage(result);

  //品川区の天気
  var result = getWeatherInfo("https://tenki.jp/lite/forecast/3/16/4410/13109/3hours.html");
  msg += makeMessage(result);
  
  Logger.log(msg);

  if (msg != "") {
    var payload = {
      "text" : msg,
      "channel" : "#CHANNEL",
      "username" : "秘書美",
      "icon_emoji" : ":information_desk_person:"
    }
    postSlack(payload);
    
    postChatwork(ChatworkのルームID, msg);
  }

}

function makeMessage(dt) {
  var msg;
  
  msg = "■" + dt.title + "\n";
  
  for (var i in dt.data) {
    msg += " ";
    msg += dt.data[i].hour + " ";
    msg += dt.data[i].temperature + "℃ ";
    msg += "湿度" + dt.data[i].humidity + "% ";
    msg += dt.data[i].wind_direction + dt.data[i].wind_speed + "m ";
    msg += dt.data[i].weather + " ";
    msg += "\n";
  }
  msg += "\n";
  
  return msg;
}


function getWeatherInfo(url) {
 
  var response = UrlFetchApp.fetch(url);

  var result = {};
  result.error = false;
  
  // タイトル
  var regexp   = /<h2>.+?<\/h2>/gi;
  var elements = response.getContentText().match(regexp);
  result.title = elements[0].replace(/<h2>(.*?)<.*/,"$1");

  // 最初の日にちのデータ
  var regexp   = /<table id=\"forecast-point-3h-today\"[\s\S]+?<\/table>/gi;
  var elements = response.getContentText().match(regexp);
  var today_element = elements[0];
  
  // 日にち
  var regexp   = /<th class=\"date\".+?<\/th>/gi;
  var elements = today_element.match(regexp);
  result.date = elements[0].replace(/<("[^"]*"|'[^']*'|[^'">])*>/g,''); //tag削除
  
  // 時間ごとのデータ
  var regexp   = /<tr class=\"(past-entry|entry)\"[\s\S]+?<\/tr>/gi;
  var elements = today_element.match(regexp);
  var data = [];
  for (var i in elements) {
    data.push({  
      hour:           elements[i].replace(/[\s\S]*<td class=\"hour\">(.*?)<[\s\S]*/,"$1"),
      weather:        elements[i].replace(/[\s\S]*<p class=\"weather-image\"><img.*alt=\"(.*?)\"[\s\S]*/,"$1"),
      temperature:    elements[i].replace(/[\s\S]*<td class=\"temperature\">(.*?)<[\s\S]*/,"$1"),
      humidity:       elements[i].replace(/[\s\S]*<td class=\"humidity\">(.*?)<[\s\S]*/,"$1"),
      wind_speed:     elements[i].replace(/[\s\S]*<td class=\"wind-speed\".*>(.+?)<[\s\S]*/,"$1"),
      wind_direction: elements[i].replace(/[\s\S]*<td class=\"wind-direction\"><img.*alt=\"(.*?)\"[\s\S]*/,"$1"),
    });
  }
  
  result.data = data;
  return result;
}

//slackへポスト
function postSlack(payload)
{
  // POSTオプション
  var options = {
    "method" : "POST",
    "payload" : JSON.stringify(payload)
  }

  // アクセス先
  var url = "https://hooks.slack.com/services/XXXXXXXXX/XXXXXXXXX/XXXXXXXXXXXXXXXXXXXXXXXX";
  // POSTリクエスト
  var response = UrlFetchApp.fetch(url, options);
  // HTML結果を取得（引数のcharsetは設定したほうが良い）
  var content = response.getContentText("UTF-8");
  
}

//chatworkへポスト
function postChatwork(room_id, msg)
{
  // POSTオプション
  var options = {
    "method" : "POST",
    "headers" : {"X-ChatWorkToken": "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"},
    "payload" : "body="+msg
  }

  // アクセス先
  var url = "https://api.chatwork.com/v2/rooms/" + room_id + "/messages";
  var response = UrlFetchApp.fetch(url, options);
  // HTML結果を取得（引数のcharsetは設定したほうが良い）
  var content = response.getContentText("UTF-8");
  
}

//メール送信
function sendMail(to, title, message)
{
   MailApp.sendEmail(to, title, message);
}