F5 通用刷新

$(document).ready(function () {
            $(document).bind("keydown", function (_e) {
                var e = _e.keyCode ? _e.keyCode : _e.which;
                if (e == 116) {
                    if (window.event) {
                        event.keyCode = 0;
                        event.returnValue = false;
                    } else {
                        _e.preventDefault();
                    }
                    document.location.href = document.location.href;
                }
            });
        });