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//日期时间脚本库方法列表
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//CheckDateTime 完整日期时间检查 到秒
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//CheckDateTimehm 完整日期时间检查 到分
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//CheckDate 完整日期检查
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//IsValidDate 验证日期有效性
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//Date.prototype.isLeapYear 判断闰年
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//Date.prototype.Format 日期格式化
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//Date.prototype.DateAdd 日期计算
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//Date.prototype.DateDiff 比较日期差
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//Date.prototype.toString 日期转字符串
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//Date.prototype.toArray 日期分割为数组
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//Date.prototype.DatePart 取日期的部分信息
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//Date.prototype.MaxDayOfDate 取日期所在月的最大天数
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//Date.prototype.WeekNumOfYear 判断日期所在年的第几周
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//StringToDate 字符串转日期型
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//daysBetween 日期天数差
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//+---------------------------------------------------
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//| 日期时间检查 到秒
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//| 格式为：YYYY-MM-DD HH:MM:SS
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//+---------------------------------------------------
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function CheckDateTime(str)
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{
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var reg = /^(\d+)-(\d{ 1,2 })-(\d{ 1,2 }) (\d{ 1,2 }):(\d{ 1,2 }):(\d{ 1,2 })$/;
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var r = str.match(reg);
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if(r==null)return false;
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r[2]=r[2]-1;
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var d= new Date(r[1],r[2],r[3],r[4],r[5],r[6]);
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if(d.getFullYear()!=r[1])return false;
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if(d.getMonth()!=r[2])return false;
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if(d.getDate()!=r[3])return false;
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if(d.getHours()!=r[4])return false;
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if(d.getMinutes()!=r[5])return false;
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if(d.getSeconds()!=r[6])return false;
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return true;
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}
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//+---------------------------------------------------
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//| 日期时间检查 到分
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//| 格式为：YYYY-MM-DD HH:MM
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//+---------------------------------------------------
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function CheckDateTimehm(str)
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{
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var reg = /^(\d+)-(\d{ 1,2 })-(\d{ 1,2 }) (\d{ 1,2 }):(\d{ 1,2 })$/;
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var r = str.match(reg);
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if(r==null)return false;
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r[2]=r[2]-1;
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var d= new Date(r[1],r[2],r[3],r[4],r[5]);
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if(d.getFullYear()!=r[1])return false;
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if(d.getMonth()!=r[2])return false;
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if(d.getDate()!=r[3])return false;
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if(d.getHours()!=r[4])return false;
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if(d.getMinutes()!=r[5])return false;
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return true;
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}
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//+---------------------------------------------------
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//| 日期检查
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//| 格式为：YYYY-MM-DD
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//+---------------------------------------------------
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function CheckDate(str)
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{
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var reg = /^(\d+)-(\d{ 1,2 })-(\d{ 1,2 })$/;
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var r = str.match(/^(\d{1,4})(-|\/)(\d{1,2})\2(\d{1,2})$/);
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if(r==null)return false;
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r[3]=r[3]-1;
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var d= new Date(r[1],r[3],r[4]);
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if(d.getFullYear()!=r[1])return false;
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if(d.getMonth()!=r[3])return false;
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if(d.getDate()!=r[4])return false;
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return true;
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}
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//+---------------------------------------------------
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//| 日期合法性验证
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//| 格式为：YYYY-MM-DD或YYYY/MM/DD
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//+---------------------------------------------------
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function IsValidDate(DateStr)
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{
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var sDate=DateStr.replace(/(^\s+|\s+$)/g,''); //去两边空格;
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if(sDate=='') return true;
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//如果格式满足YYYY-(/)MM-(/)DD或YYYY-(/)M-(/)DD或YYYY-(/)M-(/)D或YYYY-(/)MM-(/)D就替换为''
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//数据库中，合法日期可以是:YYYY-MM/DD(2003-3/21),数据库会自动转换为YYYY-MM-DD格式
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var s = sDate.replace(/[\d]{ 4,4 }[\-/]{ 1 }[\d]{ 1,2 }[\-/]{ 1 }[\d]{ 1,2 }/g,'');
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if (s=='') //说明格式满足YYYY-MM-DD或YYYY-M-DD或YYYY-M-D或YYYY-MM-D
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{
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var t=new Date(sDate.replace(/\-/g,'/'));
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var ar = sDate.split(/[-/:]/);
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if(ar[0] != t.getYear() || ar[1] != t.getMonth()+1 || ar[2] != t.getDate())
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{
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//alert('错误的日期格式！格式为：YYYY-MM-DD或YYYY/MM/DD。注意闰年。');
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return false;
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}
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}
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else
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{
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//alert('错误的日期格式！格式为：YYYY-MM-DD或YYYY/MM/DD。注意闰年。');
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return false;
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}
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return true;
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}
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//---------------------------------------------------
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// 判断闰年
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//---------------------------------------------------
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Date.prototype.isLeapYear = function()
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{
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return (0==this.getYear()%4&&((this.getYear()%100!=0)||(this.getYear()%400==0)));
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}
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//---------------------------------------------------
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// 日期格式化
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// 格式 YYYY/yyyy/YY/yy 表示年份
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// MM/M 月份
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// W/w 星期
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// dd/DD/d/D 日期
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// hh/HH/h/H 时间
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// mm/m 分钟
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// ss/SS/s/S 秒
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//---------------------------------------------------
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Date.prototype.Format = function(formatStr)
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{
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var str = formatStr;
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var Week = ['日','一','二','三','四','五','六'];
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str=str.replace(/yyyy|YYYY/,this.getFullYear());
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str=str.replace(/yy|YY/,(this.getYear() % 100)>9?(this.getYear() % 100).toString():'0' + (this.getYear() % 100));
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str=str.replace(/MM/,this.getMonth()>9?this.getMonth().toString():'0' + this.getMonth());
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str=str.replace(/M/g,this.getMonth());
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str=str.replace(/w|W/g,Week[this.getDay()]);
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str=str.replace(/dd|DD/,this.getDate()>9?this.getDate().toString():'0' + this.getDate());
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str=str.replace(/d|D/g,this.getDate());
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str=str.replace(/hh|HH/,this.getHours()>9?this.getHours().toString():'0' + this.getHours());
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str=str.replace(/h|H/g,this.getHours());
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str=str.replace(/mm/,this.getMinutes()>9?this.getMinutes().toString():'0' + this.getMinutes());
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str=str.replace(/m/g,this.getMinutes());
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str=str.replace(/ss|SS/,this.getSeconds()>9?this.getSeconds().toString():'0' + this.getSeconds());
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str=str.replace(/s|S/g,this.getSeconds());
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return str;
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}
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//+---------------------------------------------------
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//| 求两个时间的天数差 日期格式为 YYYY-MM-dd
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//+---------------------------------------------------
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function daysBetween(DateOne,DateTwo)
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{
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var neMonth = DateOne.substring(5,DateOne.lastIndexOf ('-'));
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var neDay = DateOne.substring(DateOne.length,DateOne.lastIndexOf ('-')+1);
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var neYear = DateOne.substring(0,DateOne.indexOf ('-'));
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var TwoMonth = DateTwo.substring(5,DateTwo.lastIndexOf ('-'));
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var TwoDay = DateTwo.substring(DateTwo.length,DateTwo.lastIndexOf ('-')+1);
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var TwoYear = DateTwo.substring(0,DateTwo.indexOf ('-'));
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var cha=((Date.parse(OneMonth+'/'+OneDay+'/'+OneYear)- Date.parse(TwoMonth+'/'+TwoDay+'/'+TwoYear))/86400000);
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return Math.abs(cha);
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}
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//+---------------------------------------------------
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//| 日期计算
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//+---------------------------------------------------
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Date.prototype.DateAdd = function(strInterval, Number) {
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var dtTmp = this;
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switch (strInterval) {
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case 's' :return new Date(Date.parse(dtTmp) + (1000 * Number));
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case 'n' :return new Date(Date.parse(dtTmp) + (60000 * Number));
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case 'h' :return new Date(Date.parse(dtTmp) + (3600000 * Number));
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case 'd' :return new Date(Date.parse(dtTmp) + (86400000 * Number));
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case 'w' :return new Date(Date.parse(dtTmp) + ((86400000 * 7) * Number));
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case 'q' :return new Date(dtTmp.getFullYear(), (dtTmp.getMonth()) + Number*3, dtTmp.getDate(), dtTmp.getHours(), dtTmp.getMinutes(), dtTmp.getSeconds());
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case 'm' :return new Date(dtTmp.getFullYear(), (dtTmp.getMonth()) + Number, dtTmp.getDate(), dtTmp.getHours(), dtTmp.getMinutes(), dtTmp.getSeconds());
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case 'y' :return new Date((dtTmp.getFullYear() + Number), dtTmp.getMonth(), dtTmp.getDate(), dtTmp.getHours(), dtTmp.getMinutes(), dtTmp.getSeconds());
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}
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}
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//+---------------------------------------------------
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//| 比较日期差 dtEnd 格式为日期型或者 有效日期格式字符串
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//+---------------------------------------------------
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Date.prototype.DateDiff = function(strInterval, dtEnd) {
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var dtStart = this;
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if (typeof dtEnd == 'string' )//如果是字符串转换为日期型
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{
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dtEnd = StringToDate(dtEnd);
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}
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switch (strInterval) {
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case 's' :return parseInt((dtEnd - dtStart) / 1000);
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case 'n' :return parseInt((dtEnd - dtStart) / 60000);
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case 'h' :return parseInt((dtEnd - dtStart) / 3600000);
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case 'd' :return parseInt((dtEnd - dtStart) / 86400000);
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case 'w' :return parseInt((dtEnd - dtStart) / (86400000 * 7));
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case 'm' :return (dtEnd.getMonth()+1)+((dtEnd.getFullYear()-dtStart.getFullYear())*12) - (dtStart.getMonth()+1);
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case 'y' :return dtEnd.getFullYear() - dtStart.getFullYear();
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}
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}
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//+---------------------------------------------------
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//| 日期输出字符串，重载了系统的toString方法
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//+---------------------------------------------------
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Date.prototype.toString = function(showWeek)
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{
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var myDate= this;
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var str = myDate.toLocaleDateString();
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if (showWeek)
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{
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var Week = ['日','一','二','三','四','五','六'];
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str += ' 星期' + Week[myDate.getDay()];
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}
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return str;
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}
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//+---------------------------------------------------
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//| 把日期分割成数组
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//+---------------------------------------------------
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Date.prototype.toArray = function()
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{
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var myDate = this;
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var myArray = Array();
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myArray[0] = myDate.getFullYear();
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myArray[1] = myDate.getMonth();
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myArray[2] = myDate.getDate();
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myArray[3] = myDate.getHours();
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myArray[4] = myDate.getMinutes();
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myArray[5] = myDate.getSeconds();
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return myArray;
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}
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//+---------------------------------------------------
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//| 取得日期数据信息
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//| 参数 interval 表示数据类型
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//| y 年 m月 d日 w星期 ww周 h时 n分 s秒
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//+---------------------------------------------------
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Date.prototype.DatePart = function(interval)
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{
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var myDate = this;
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var partStr='';
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var Week = ['日','一','二','三','四','五','六'];
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switch (interval)
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{
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case 'y' :partStr = myDate.getFullYear();break;
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case 'm' :partStr = myDate.getMonth()+1;break;
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case 'd' :partStr = myDate.getDate();break;
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case 'w' :partStr = Week[myDate.getDay()];break;
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case 'ww' :partStr = myDate.WeekNumOfYear();break;
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case 'h' :partStr = myDate.getHours();break;
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case 'n' :partStr = myDate.getMinutes();break;
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case 's' :partStr = myDate.getSeconds();break;
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}
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return partStr;
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}
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//+---------------------------------------------------
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//| 取得当前日期所在月的最大天数
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//+---------------------------------------------------
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Date.prototype.MaxDayOfDate = function()
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{
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var myDate = this;
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var ary = myDate.toArray();
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var date1 = (new Date(ary[0],ary[1]+1,1));
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var date2 = date1.dateAdd(1,'m',1);
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var result = dateDiff(date1.Format('yyyy-MM-dd'),date2.Format('yyyy-MM-dd'));
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return result;
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}
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//+---------------------------------------------------
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//| 取得当前日期所在周是一年中的第几周
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//+---------------------------------------------------
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Date.prototype.WeekNumOfYear = function()
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{
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var myDate = this;
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var ary = myDate.toArray();
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var year = ary[0];
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var month = ary[1]+1;
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var day = ary[2];
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document.write('< script. language=VBScript\> \n');
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document.write('myDate = DateValue('+month+'-'+day+'-'+year+') \n');
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document.write('result = DatePart("ww", myDate) \n');
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document.write(' \n');
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return result;
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}
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//+---------------------------------------------------
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//| 字符串转成日期类型
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//| 格式 MM/dd/YYYY MM-dd-YYYY YYYY/MM/dd YYYY-MM-dd
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//+---------------------------------------------------
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function StringToDate(DateStr)
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{
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var converted = Date.parse(DateStr);
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var myDate = new Date(converted);
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if (isNaN(myDate))
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{
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//var delimCahar = DateStr.indexOf('/')!=-1?'/':'-';
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var arys= DateStr.split('-');
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myDate = new Date(arys[0],--arys[1],arys[2]);
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}
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return myDate;
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}
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