JS将秒转换为 天-时-分-秒

function SecondToDate(msd) {

            var time =msd

            if (null != time && "" != time) {

                if (time > 60 && time < 60 * 60) {

                    time = parseInt(time / 60.0) + "分钟" + parseInt((parseFloat(time / 60.0) -

                        parseInt(time / 60.0)) * 60) + "秒";

                }

                else if (time >= 60 * 60 && time < 60 * 60 * 24) {

                    time = parseInt(time / 3600.0) + "小时" + parseInt((parseFloat(time / 3600.0) -

                        parseInt(time / 3600.0)) * 60) + "分钟" +

                        parseInt((parseFloat((parseFloat(time / 3600.0) - parseInt(time / 3600.0)) * 60) -

                        parseInt((parseFloat(time / 3600.0) - parseInt(time / 3600.0)) * 60)) * 60) + "秒";

                } else if (time >= 60 * 60 * 24) {

                    time = parseInt(time / 3600.0/24) + "天" +parseInt((parseFloat(time / 3600.0/24)-

                        parseInt(time / 3600.0/24))*24) + "小时" + parseInt((parseFloat(time / 3600.0) -

                        parseInt(time / 3600.0)) * 60) + "分钟" +

                        parseInt((parseFloat((parseFloat(time / 3600.0) - parseInt(time / 3600.0)) * 60) -

                        parseInt((parseFloat(time / 3600.0) - parseInt(time / 3600.0)) * 60)) * 60) + "秒";

                }

                else {

                    time = parseInt(time) + "秒";

                }

            }

            return time;

        }