//定义命名空间
var DatePlugin;
if (!DatePlugin) DatePlugin = {};
/*整理时间：2015-05-28*/
var defaultFormat = "yyyy-MM-dd"; //默认的日期格式
var totalDefaultFormat = "yyyy-MM-dd hh:mm:ss";
var pointFormat = "yyyy.MM.dd";
var slashFormat = "MM/dd/yyyy";
var textFormat = "yyyy年MM月dd日";
var totalTextFormat = "yyyy年MM月dd日hh小时mm分ss秒";
var noFormat = "yyyyMMdd";
/* 转换时间格式 */
Date.prototype.Format = function (DateFormat) {
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
}
var format = (DateFormat) ? DateFormat : defaultFormat;
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;
}
/* 增加天数 */
Date.prototype.addDay = function (num) {
this.setDate(this.getDate() + num);
return this;
};
/* 增加月数 */
Date.prototype.addMonth = function (num) {
var tempDate = this.getDate();
this.setMonth(this.getMonth() + num);
if (tempDate != this.getDate()) this.setDate(0);
return this;
};
/* 增加年数 */
Date.prototype.addYear = function (num) {
var tempDate = this.getDate();
this.setYear(this.getYear() + num);
if (tempDate != this.getDate()) this.setDate(0);
return this;
};
/*
*获取某日日期 可传日期格式参数
*默认格式：YYYY-MM-DD
*/
DatePlugin.exactDate = {
/* 获取今日日期 */
getTodayDate:function (DateFormat) {
var myDate = new Date();
return myDate.Format(DateFormat);
},
/* 获取明日日期 */
getTomorrowDate: function (DateFormat) {
var myDate = new Date().addDay(1);
return myDate.Format(DateFormat);
},
/* 获取昨天日期 */
getYesterdayDate: function (DateFormat) {
var myDate = new Date().addDay(-1);
return myDate.Format(DateFormat);
}
}
/*
*统计某个时间段的周数或天数或者返回值是数字
*/
DatePlugin.staticDate = {
/*统计今年某月的天数*/
getMonthDays: function (Month) {
var myMonth = Month;
var now = new Date(); //当前日期
var nowYear = now.getFullYear(); //当前年
var monthStartDate = new Date(nowYear, myMonth, 1);
var monthEndDate = new Date(nowYear, myMonth + 1, 1);
var days = (monthEndDate - monthStartDate) / (1000 * 60 * 60 * 24);
return days;
},
/*统计某年某月总周数*/
getWeekCounts: function (year, month) {
var firstDate = new Date(year, month, 1);
var first = firstDate.getDay();
var endDate = 6; // 周六
var firstWeekday = endDate - first + 1;
var lastDay = this.getMonthDays(month) - firstWeekday;
return Math.ceil(lastDay / 7) + 1;
},
/*获取当前月*/
getCurrentMonth:function () {
var now = new Date(); //当前日期
var nowDayOfWeek = now.getDay(); //今天本周的第几天
var nowDay = now.getDate(); //当前日
var nowMonth = now.getMonth() + 1; //当前月
var nowYear = now.getFullYear(); //当前年
return nowMonth;
}
}
DatePlugin.calculDate = {
/*计算几天前或几天后的日期*/
getTrunsAddDay: function (date,num,DateFormat) {
var targetday_milliseconds = date.getTime() + 1000 * 60 * 60 * 24 * num;
var resultDate = new Date(date.setTime(targetday_milliseconds));
return resultDate.Format(DateFormat);
},
/*获得本月的开始日期*/
getMonthStartDate: function (DateFormat) {
var now = new Date(); //当前日期
var nowMonth = now.getMonth(); //当前月
var nowYear = now.getFullYear(); //当前年
var monthStartDate = new Date(nowYear, nowMonth, 1);
return monthStartDate.Format(DateFormat);
},
/*获得本月的结束日期*/
getMonthEndDate: function (DateFormat) {
var now = new Date(); //当前日期
var nowDayOfWeek = now.getDay(); //今天本周的第几天
var nowDay = now.getDate(); //当前日
var nowMonth = now.getMonth(); //当前月
var nowYear = now.getFullYear(); //当前年
var monthEndDate = new Date(nowYear, nowMonth, DatePlugin.staticDate.getMonthDays(nowMonth));
return monthEndDate.Format(DateFormat);
},
/*获得某个月的开始日期*/
getMonthStart: function (currDate, DateFormat) {
var now = new Date(currDate); //当前日期
var nowMonth = parseInt(now.getMonth()); //当前月
var nowYear = now.getFullYear(); //当前年
var monthStartDate = new Date(nowYear, nowMonth, 1);
return monthStartDate.Format(DateFormat);
},
/*获得某个月的结束日期*/
getMonthEnd: function (currDate, DateFormat) {
var now = new Date(currDate); //当前日期
var nowMonth = parseInt(now.getMonth()); //当前月
var nowYear = now.getFullYear(); //当前年
var monthEndDate = new Date(nowYear, nowMonth, DatePlugin.staticDate.getMonthDays(nowMonth));
return monthEndDate.Format(DateFormat);
},
/*获得当天开始前一个月的开始日期*/
getBeforeMonth: function (DateFormat) {
var now = new Date(); //当前日期
var nowMonth = now.getMonth() - 1; //当前月
var nowYear = now.getFullYear(); //当前年
var monthDate;
if (nowMonth != -1) {
monthDate = new Date(nowYear, nowMonth);
} else {
monthDate = new Date(nowYear - 1, 11);
}
return monthDate.Format(DateFormat);
},
/*获取最近一周开始时间*/
getBeforeOneWeekStartDate: function (DateFormat) {
var nowdate = new Date();
return oneweekkdate = this.getTrunsAddDay(nowdate, -6, DateFormat);
},
/*获取三个月以内的起始时间*/
getBeforeThreeMonthStartDate: function (DateFormat) {
var nowdate = new Date();
return threemonthdate = this.getTrunsAddDay(nowdate, -90, DateFormat);
},
/*获取一个月以内的起始时间*/
getBeforeOneMonthStratDate: function (DateFormat) {
var nowdate = new Date();
return threemonthdate = this.getTrunsAddDay(nowdate, -29, DateFormat);
}
}
DatePlugin.otherDate = {
/*ISO8601*/
parseISO8601:function(dateStringInRange) {
var isoExp = /^\s*(\d{4})-(\d\d)-(\d\d)\s*$/,
date = new Date(NaN), month,
parts = isoExp.exec(dateStringInRange);
if (parts) {
month = +parts[2];
date.setFullYear(parts[1], month - 1, parts[3]);
if (month != date.getMonth() + 1) {
date.setTime(NaN);
}
}
return date;
},
/*处理日期格式兼容浏览器方法*/
newDate:function(str) {
str = str.split('-');
var date = new Date();
date.setUTCFullYear(str[0], str[1] - 1, str[2]);
date.setUTCHours(0, 0, 0, 0);
return date;
}
}
