Date.prototype.Format = function (formatStr) {
    var str = formatStr;
    var Week = ['日', '一', '二', '三', '四', '五', '六'];

    str = str.replace(/yyyy|YYYY/, this.getFullYear());
    str = str.replace(/yy|YY/, (this.getYear() % 100) > 9 ? (this.getYear() % 100).toString() : '0' + (this.getYear() % 100));

    var mm = this.getMonth() + 1;
    str = str.replace(/MM/, mm > 9 ? mm : '0' + mm);
    str = str.replace(/M/g, this.getMonth());

    str = str.replace(/w|W/g, Week[this.getDay()]);

    str = str.replace(/dd|DD/, this.getDate() > 9 ? this.getDate().toString() : '0' + this.getDate());
    str = str.replace(/d|D/g, this.getDate());

    str = str.replace(/hh|HH/, this.getHours() > 9 ? this.getHours().toString() : '0' + this.getHours());
    str = str.replace(/h|H/g, this.getHours());
    str = str.replace(/mm/, this.getMinutes() > 9 ? this.getMinutes().toString() : '0' + this.getMinutes());
    str = str.replace(/m/g, this.getMinutes());

    str = str.replace(/ss|SS/, this.getSeconds() > 9 ? this.getSeconds().toString() : '0' + this.getSeconds());
    str = str.replace(/s|S/g, this.getSeconds());

    return str;
}

function setTime(DisplayTime) {
    var mydate = new Date();
    document.getElementById(DisplayTime).value = mydate.Format("yyyy-MM-dd hh:mm:ss");
}

function setData(DisplayTime) {
    var mydate = new Date();
    document.getElementById(DisplayTime).value = mydate.Format("yyyy-MM-dd");
}

function getDat() {
    var today = new Date();
    var year = today.getYear();
    var month = today.getMonth() + 1;
    var day = today.getDate();
    if (year < 2000) year += 1900;
    var dayofweek = today.getDay();
    var Day = new Array(7);
    Day[0] = "日"; Day[1] = "一";
    Day[2] = "二"; Day[3] = "三";
    Day[4] = "四"; Day[5] = "五";
    Day[6] = "六";
    document.write("今天是：" + year + "年" + month + "月" + day + "日  星期" + Day[dayofweek]);
}