javascript

alert(JSON.stringify(obj, null, 2));
将对象转换为string

alert(JSON.stringify(JSON.parse(str), null, 2));
将字符串转换为json对象, 再转换为string


毫秒时间格式化输出 

var date = new Date(timeval * 1000);

return date.format("yyyy年MM月dd日 hh时mm分ss秒 星期W");

Date.prototype.format = function(format) {
    var date = this;
    var o =
        {
            "M+" : date.getMonth()+1, //month
            "d+" : date.getDate(), //day
            "h+" : date.getHours(), //hour
            "m+" : date.getMinutes(), //minute
            "s+" : date.getSeconds(), //second
            "q+" : Math.floor((this.getMonth()+3)/3), //quarter
            "S" : date.getMilliseconds(), //millisecond
            "W": function () {
                var week;
                switch ( date.getDay()) {
                    case 0: week = "日"; break;
                    case 1: week = "一"; break;
                    case 2: week = "二"; break;
                    case 3: week = "三"; break;
                    case 4: week = "四"; break;
                    case 5: week = "五"; break;
                    case 6: week = "六"; break;
                }
                return week;
            }
        }

    if(/(y+)/.test(format)) {
        format = format.replace(RegExp.$1, (this.getFullYear()+"").substr(4 - RegExp.$1.length));
    }

    for(var k in o) {
        if(new RegExp("("+ k +")").test(format)) {
            format = format.replace(RegExp.$1, RegExp.$1.length==1 ? o[k] : ("00"+ o[k]).substr((""+ o[k]).length));
        }
    }
    return format;
};