通用javascript方法

//将序列化成json格式后日期(毫秒数)转成日期格式 YYYY-MM-DD HH:MI:SS 
function ChangeDateFormat(cellval, type) {
    var date = new Date(parseInt(cellval.replace("/Date(", "").replace(")/", ""), 10));
    var year = date.getFullYear();
    var month = date.getMonth() + 1 < 10 ? "0" + (date.getMonth() + 1) : date.getMonth() + 1;
    var day = date.getDate() < 10 ? "0" + date.getDate() : date.getDate();
    var hours = date.getHours() < 10 ? "0" + date.getHours() : date.getHours();
    var min = date.getMinutes() < 10 ? "0" + date.getMinutes() : date.getMinutes();
    var sec = date.getSeconds() < 10 ? "0" + date.getSeconds() : date.getSeconds();
    var result;
    switch (type) {
        case "0":
            result = year + "-" + month + "-" + day;
            break;
        case "1":
            result = hours + ":" + min + ":" + sec;
            break;
        case "2":
            result = year + "-" + month + "-" + day + " " + hours + ":" + min + ":" + sec;
            break;
        case "3":
            result = hours + ":" + min;
            break;
        default: "不符合格式"

    }

js日期格式转化