入金予定検索システムのページに埋め込まれていたJS https://www.city.kyoto.lg.jp/bunshi/page/0000271425.html

teigaku.js

function subSearch(){
    var wdayJP = ["日","月","火","水","木","金","土"];
    var results = '';
    $("#results").html('<img src="./cmsfiles/contents/0000271/271425/loading.gif" /><span style="font-size:80%;padding-left:3px;">検索中..</span>');

    var sno = document.getElementById("idNo").value;
    var filePath = 'none.txt';

    if(isNaN(sno)){
        $("#results").html("入力された番号に誤りがあります。もう一度番号をお確かめのうえ入力してください。");
        return;
    }
    if(sno.length != 10 && sno.length != 15){
        $("#results").html("入力された番号に誤りがあります。もう一度番号をお確かめのうえ入力してください。");
        return;
    }
    else if(sno.length == 10){
        switch(sno.substr(3,1)){
            case '0':
                filePath = './cmsfiles/contents/0000271/271425/mail0.txt';
                break;
            case '1':
                filePath = './cmsfiles/contents/0000271/271425/mail1.txt';
                break;
            case '2':
                filePath = './cmsfiles/contents/0000271/271425/mail2.txt';
                break;
            case '3':
                filePath = './cmsfiles/contents/0000271/271425/mail3.txt';
                break;
            case '4':
                filePath = './cmsfiles/contents/0000271/271425/mail4.txt';
                break;
            case '5':
                filePath = './cmsfiles/contents/0000271/271425/mail5.txt';
                break;
            case '6':
                filePath = './cmsfiles/contents/0000271/271425/mail6.txt';
                break;
            case '7':
            case '8':
            case '9':
                filePath = './cmsfiles/contents/0000271/271425/mail7.txt';
                break;
            default:
                break;
        }
    }
    else{
        var filePath = './cmsfiles/contents/0000271/271425/online.txt';
    }

    var t = new Date();
    $.ajax({
        url: filePath,
        method: "GET",
        dataType: "text",
        data: {
            time: String(t.getHours()) + String(t.getMinutes()) + String(t.getSeconds())
        },
        success: function(read) {
            data = read;
            var LF = String.fromCharCode(10); //改行ｺｰﾄﾞ
            var lines = data.split(LF);
            for (var i = 0; i < lines.length; ++i) {
                var cells = lines[i].split(",");
                if (cells.length != 1) {
                    re = new RegExp("^" + cells[0] + "$");
                    if(sno.match(re)) {
                        results = cells[1];
                        break;
                    }
                }
            }
            if(results != ''){
                var oWday = new Date("2020/" + results.substr(0,2) + "/" + results.substr(2,2));
                var dWday = wdayJP[oWday.getDay()];
                $("#results").html("入金（予定）日　令和2年" + parseInt(results.substr(0,2),10) + "月" + parseInt(results.substr(2,2),10) + "日（" + dWday + "曜日）");
            }
            else{
                $("#results").html("現在手続中のため，入金（予定）日は未定です。お待たせして申し訳ございませんが，もう少しお待ちください。");
            }
        }
    })
}