定时循环

$(function () {
    setInterval(function () {
        var url = "native2.php?action=queryorder&outTradeNo=5df73da68fba5";
        $.getJSON(url, function (result) {
            if (result.code == 0) {
                window.location.href = 'https://www.deo.com/wx/return.php?out_trade_no=5df73da68fba5';
            }
        });
    }, 3000);

});