js 中日期转换

var date = new Date();
//日期2017-10-10
Date: function (date) {
        var y = date.getFullYear();
        var m = date.getMonth() + 1;
        var d = date.getDate();

        return y + '-' + (m < 10 ? ('0' + m) : m) + '-' + (d < 10 ? ('0' + d) : d);
    }
    ,
//日期的前一天 2017-10-09
    DateY: function (date) {
        var y = date.getFullYear();
        var m = date.getMonth() + 1;
        var d = date.getDate() - 1;

        return y + '-' + (m < 10 ? ('0' + m) : m) + '-' + (d < 10 ? ('0' + d) : d);
    }
    ,
//月份 2017-10
    DateM: function (date) {
        var y = date.getFullYear();
        var m = date.getMonth() + 1;
        return y + '-' + (m < 10 ? ('0' + m) : m);
    },
//时间 2017-10-10 12:30
    DateTime: function (date) {
        var y = date.getFullYear();
        var m = date.getMonth() + 1;
        var d = date.getDate();
        var h = date.getHours();

        var min = date.getMinutes();
        return y + '-' + (m < 10 ? ('0' + m) : m) + '-' + (d < 10 ? ('0' + d) : d) + ' ' + (h < 10 ? ('0' + h) : h) + ':' + (min < 10 ? ('0' + min) : min);
    }