js 简单的获取当前时间已经格式转换时间比较

小鱼儿 2022-06-17 01:53 360阅读 0赞

//替换字符串  
        function Replace(str, from, to) {
            return str.split(from).join(to);
        }
        // 日期类型格式成指定的字符串
        function FormatDate(date, format) {
            format = Replace(format, "yyyy", date.getFullYear());
            format = Replace(format, "MM", GetFullMonth(date));
            format = Replace(format, "dd", GetFullDate(date));
            format = Replace(format, "HH", GetFullHour(date));
    	format = Replace(format, "mm", GetMinutes(date));
    	format = Replace(format, "ss", GetSeconds(date));
            return format;
        }
        //js日期字符串转换成日期类型
        function parseDate(dateStr) {
            return new Date(Replace(dateStr, "-", "/"));
        }
        //增加月  
        function AddMonths(date, value) {
            date.setMonth(date.getMonth() + value);
            return date;
        }
        //增加天  
        function AddDays(date, value) {
            date.setDate(date.getDate() + value);
            date = FormatDate(date,'yyyy-MM-dd HH:mm:ss');
    	return date;
        }
    	
    
        //增加时
        function AddHours(date, value) {
            date.setHours(date.getHours() + value);
            return date;
        }
        //返回月份(两位数)  
        function GetFullMonth(date) {
            var v = date.getMonth() + 1;
            if (v > 9) return v.toString();
            return "0" + v;
        }
     
        //返回日(两位数)  
        function GetFullDate(date) {
            var v = date.getDate();
            if (v > 9) return v.toString();
            return "0" + v;
        }
        //返回时(两位数)
        function GetFullHour(date) {
            var v = date.getHours();
            if (v > 9) return v.toString();
            return "0" + v;
        }
    	
    	//分
    	function GetMinutes(date){
    	 var v = date.getMinutes();
            if (v > 9) return v.toString();
            return "0" + v;
    	}
    	
    	//秒
    	function GetSeconds(date){
    	 var v = date.getSeconds();
            if (v > 9) return v.toString();
            return "0" + v;
    	}
        //比较两个时间
        function compareDate() {
            var mydate = AddDays(parseDate("2012-08-23"), 1);
            var nowdate = new Date();
            if (nowdate.getTime() < mydate.getTime()) {
                return FormatDate(nowdate, "yyyy-MM-dd");
            }
            return FormatDate(mydate, "yyyy-MM-dd");
        }