zoukankan      html  css  js  c++  java
  • 时间加减(可以对年;月;日;时;分;秒;周进行加减)以及日期自定义格式化

    var myDate = new Date();

    重构日期格式化1:

    Date.prototype.format = function(format) {
                var o = {
                    "M+": this.getMonth() + 1, //month
                    "d+": this.getDate(), //day
                    "h+": this.getHours(), //hour
                    "m+": this.getMinutes(), //minute
                    "s+": this.getSeconds(), //second
                    "q+": Math.floor((this.getMonth() + 3) / 3), //quarter
                    "S": this.getMilliseconds() //millisecond
                }
                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;
            }

      重构日期格式化2(格式化当前时间为yyyy-mm-dd形式):

      function getNowFormatDate()
      {
        var day = new Date();
        var Year = 0;
        var Month = 0;   
        var Day = 0;
        var CurrentDate = "";
        //初始化时间
        //Year= day.getYear();//有火狐下2008年显示108的bug
        Year= day.getFullYear();//ie火狐下都可以
        Month= day.getMonth()+1;
        Day = day.getDate();
        //Hour = day.getHours();
        // Minute = day.getMinutes();
        // Second = day.getSeconds();
        CurrentDate += Year + "-";
        if (Month >= 10 )
        {
          CurrentDate += Month + "-";
        }
        else
        {
          CurrentDate += "0" + Month + "-";
        }
        if (Day >= 10 )
        {
          CurrentDate += Day ;
        }
        else
        {
          CurrentDate += "0" + Day ;
        }
          return CurrentDate;
        }

       重构日期加减:

            Date.prototype.DateAdd = function(strInterval, Number) {
                var dtTmp = this;
                switch (strInterval) {
                    case 's': return new Date(Date.parse(dtTmp) - (1000 * Number));
                    case 'n': return new Date(Date.parse(dtTmp) - (60000 * Number));
                    case 'h': return new Date(Date.parse(dtTmp) - (3600000 * Number));
                    case 'd': return new Date(Date.parse(dtTmp) - (86400000 * Number));
                    case 'w': return new Date(Date.parse(dtTmp) - ((86400000 * 7) * Number));
                    case 'q': return new Date(dtTmp.getFullYear(), (dtTmp.getMonth()) - Number * 3, dtTmp.getDate(), dtTmp.getHours(), dtTmp.getMinutes(), dtTmp.getSeconds());
                    case 'm': return new Date(dtTmp.getFullYear(), (dtTmp.getMonth()) - Number, dtTmp.getDate(), dtTmp.getHours(), dtTmp.getMinutes(), dtTmp.getSeconds());
                    case 'y': return new Date((dtTmp.getFullYear() - Number), dtTmp.getMonth(), dtTmp.getDate(), dtTmp.getHours(), dtTmp.getMinutes(), dtTmp.getSeconds());
                }
            }
       alert(myDate.DateAdd('d', 7).format("yyyy-MM-dd hh:mm:ss"));

        //使用方法
            var now = new Date();
            var nowStr = now.format("yyyy-MM-dd hh:mm:ss");
            //使用方法2:
            var testDate = new Date();
            var testStr = testDate.format("YYYY年MM月dd日hh小时mm分ss秒");
            alert(testStr);
            //示例:
            alert(new Date().Format("yyyy年MM月dd日"));
            alert(new Date().Format("MM/dd/yyyy"));
            alert(new Date().Format("yyyyMMdd"));
            alert(new Date().Format("yyyy-MM-dd hh:mm:ss"));

  • 相关阅读:
    Asp.net 动态添加Meta标签
    【转】在SharePoint Server 2010中更改“我的网站”
    SPQuery DateTime 类型查询
    Asp.net Web Application 打开 SharePoint 2010 Site 错误 The Web application at could not be found
    How To Create SharePoint 2010 Site Collection In Its Own DB
    C# 文件打印
    面试题 java集合
    《深入理解Java虚拟机》(六)堆内存使用分析,垃圾收集器 GC 日志解读
    《深入理解Java虚拟机》(五)JVM调优
    《深入理解Java虚拟机》(四)虚拟机性能监控与故障处理工具
  • 原文地址:https://www.cnblogs.com/yuhanzhong/p/2875295.html
Copyright © 2011-2022 走看看