JavaScript日期Format格式化

JavaScript, Web设计 / 作者： / / 发表评论 / Date, Format, H5, HTML, JavaScript, JS, 日期, 格式化

1、Date类拓展方法

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Date.prototype.Format = function (fmt) {
var o = {
"M+": this.getMonth() + 1, //月份
"d+": this.getDate(), //日
"H+": this.getHours(), //小时
"m+": this.getMinutes(), //分
"s+": this.getSeconds(), //秒
"q+": Math.floor((this.getMonth() + 3) / 3), //季度
"S": this.getMilliseconds() //毫秒
};
 
var week = {          
"0" : "u65e5",          
"1" : "u4e00",          
"2" : "u4e8c",          
"3" : "u4e09",          
"4" : "u56db",          
"5" : "u4e94",          
"6" : "u516d"         
    };
 
if (/(y+)/.test(fmt)) {
fmt = fmt.replace(RegExp.$1, (this.getFullYear() + "").substr(4 - RegExp.$1.length));
}
 
if(/(E+)/.test(fmt)){          
        fmt=fmt.replace(RegExp.$1, ((RegExp.$1.length>1) ? (RegExp.$1.length>2 ? "u661fu671f" : "u5468") : "")+week[this.getDay()+""]);          
    }
for (var k in o)
if (new RegExp("(" + k + ")").test(fmt))
fmt = fmt.replace(RegExp.$1, (RegExp.$1.length == 1) ? (o[k]) : (("00" + o[k]).substr(("" + o[k]).length)));
 
return fmt;
}

2、格式化格式

  • 月(M)、日(d)、小时(H)、分(m)、秒(s)、季度(q) 可以用 1-2 个占位符
  • 年(y)可以用 1-4 个占位符
  • 毫秒(S)只能用 1 个占位符(是 1-3 位的数字)
  • 周(E)，可以用1-3个占位符

3、格式化方法

1）格式化时间戳

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function formatDate(timestamp, format) {
return new Date(parseInt(timestamp)).Format(format);
}

2）格式化短日期

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function formatTDate(time) {
return formatDate(time, "yyyy年MM月dd日");
}

3）格式化年份

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function formatTDYear(time) {
return formatDate(time, "yyyy");
}
 
function formatTDYearCN(time) {
return formatCNYear(formatDate(time, "yyyy"));
}
 
function formatCNYear(num) {
var map = {"0":"零", "1":"一", "2":"二", "3":"三", "4":"四", "5":"五", "6":"六", "7":"七", "8":"八", "9":"九"};
var result = "";
var temp = parseInt(num);
 
while (temp > 0){
result = map[temp % 10] + result;
temp = parseInt(temp / 10);
}
 
return result;
}

4）格式化月份

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function formatTDMonth(time) {
return formatDate(time, "M");
}
 
function formatTDMonthEN(time) {
var month = formatDate(time, "M");
var map = {"1":"Jan", "2":"Feb", "3":"Mar", "4":"Apr", "5":"May", "6":"Jun", "7":"Jul", "8":"Aug", "9":"Sept", "10":"Oct", "11":"Nov", "12":"Dec"};
return map[month];
}
 
function formatTDMonthENL(time) {
var month = formatDate(time, "M");
var map = {"1":"January", "2":"February", "3":"March", "4":"April", "5":"May", "6":"June", "7":"July", "8":"August", "9":"September", "10":"October", "11":"November", "12":"December"};
return map[month];
}
 
function formatTDMonthCN(time) {
return formatCNDateNumber(formatDate(time, "M"));
}
 
function formatTDMonthCNL(time) {
return formatCNDateNumber(formatDate(time, "M")) + "月";
}
 
function formatCNDateNumber(num) {
var map = {"0":"零", "1":"一", "2":"二", "3":"三", "4":"四", "5":"五", "6":"六", "7":"七", "8":"八", "9":"九"};
var result = "";
 
if (num >= 10) {
result += map[parseInt(num / 10)];
result += "十";
 
if (num % 10 > 0) {
result += map[num % 10];
}
} else {
result += map[num % 10];
}
 
return result;
}

5）格式化天

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function formatTDDay(time) {
return formatDate(time, "d");
}
 
function formatTDDayCN(time) {
return formatCNDateNumber(formatDate(time, "d"));
}

6）格式化周

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function formatTDWeekEN(time) {
var week = formatDate(time, "EE");
var map = {"周日":"Sun", "周一":"Mon", "周二":"Tue", "周三":"Wed", "周四":"Thu", "周五":"Fri", "周六":"Sat"};
return map[week];
}
 
function formatTDWeekENL(time) {
var week = formatDate(time, "EE");
var map = {"周日":"Sunday", "周一":"Monday", "周二":"Tuesday", "周三":"Wednesday", "周四":"Thursday", "周五":"Friday", "周六":"Saturday"};
return map[week];
}
 
function formatTDWeekCN(time) {
return formatDate(time, "EE");
}
 
function formatTDWeekCNL(time) {
return formatDate(time, "EEE");
}

7）格式化时间

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function formatTTime(time) {
return formatDate(time, "HH:mm");
}
 
function formatTTHour(time) {
return formatDate(time, "H");
}
 
function formatTTHourCN(time) {
return formatCNDateNumber(formatDate(time, "H"));
}
 
function formatTTMinite(time) {
return formatDate(time, "m");
}
 
function formatTTMiniteCN(time) {
return formatCNDateNumber(formatDate(time, "m"));
}

8）格式化时间段

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function formatTime(startTime, endTime) {
var timeStr = "";
 
if (endTime != undefined) {
if (formatDate(startTime, "yyyy-MM-dd") == formatDate(endTime, "yyyy-MM-dd")) {
timeStr += formatDate(startTime, "yyyy-MM-dd");
timeStr += " ";
timeStr += formatDate(startTime, "HH:mm");
timeStr += "-";
timeStr += formatDate(endTime, "HH:mm");
} else {
timeStr += formatDate(startTime, "yyyy-MM-dd HH:mm");
timeStr += " 至 ";
timeStr += formatDate(endTime, "yyyy-MM-dd HH:mm");
}
} else {
timeStr += formatDate(startTime, "yyyy-MM-dd HH:mm");
}
 
return timeStr;
}
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