日期格式化-优快云博客

本文介绍了一个JavaScript函数，该函数能够将日期时间戳或特定格式的日期字符串转换成标准的英文日期格式。例如，输入可以是毫秒时间戳或如'2011-12-08 17:40:01'这样的字符串，输出则是如'Thursday, December 08, 2011 Posted: 17:40 BJT (0940 GMT)'这样的格式。

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/**
	 *  把日期转化为英文表示方式
	 * @param datatime 格式为 1323337201000毫秒数，或者日期字符串格式为2011-12-08 17:40:01
	 * @return 格式为"Thursday,December 08,2011 Posted :17:40 BJT(0940 GMT)" 
	 */
	function parseToEnglishData(datetime){
		//少于10前面加0
		var toLong = function(h){
			if(h<10){
				return "0"+h;
			}else{
				return h;
			}
		};

		//字符串格式为2011-12-08 17:40:01
		var dateParse = function(dateTimeStr) {
			var mr = /^(\d{4})-(\d{1,2})-(\d{1,2}) (\d{1,2}):(\d{1,2}):(\d{1,2})$/.exec(dateTimeStr);
			if (mr) {
				var d = new Date(parseInt(mr[1], 10),
				parseInt(mr[2], 10) - 1,
				parseInt(mr[3], 10),
				parseInt(mr[4], 10),
				parseInt(mr[5], 10),
				parseInt(mr[6], 10));
				return d;
			} else {
				alert("格式不正确!");
			}
		};

	

		var dayArray = ["Mondey","Tuesday","Wednesday","Thursday","Friday","Saturday","Sunday"];
		var monthArray = ["January","February","Marcy","April","May","June","July","August","September","October","November","December"];
		var total ="";
		var totalTime ;
		if(typeof datetime == "number"){
			totalTime = datetime;
		}else if(typeof datetime == 'string'){
			totalTime=dateParse(datetime).getTime();
		}
		var d = new Date(totalTime);
		var utcHours = d.getUTCHours(); //时
		var utcMinute = d.getUTCMinutes(); //分
		//==BJ
		var bjYear = d.getFullYear();//年
		var bjMonth = d.getMonth(); //月份
		var bjDate = d.getDate(); //日
		var bjDay = d.getDay(); //星期
		var bjHours = d.getHours(); //时
		var bjMinute = d.getMinutes(); //分
		
		total+=dayArray[bjDay]+","
		total+=monthArray[bjMonth]+" ,";
		total+=bjYear+" Posted :";
		total+=toLong(bjHours)+":";
		total+=toLong(bjMinute)+" BJT(";
		total+=toLong(utcHours)+toLong(utcMinute)+" GMT)";
		//alert(total);
		return total;
	}
		//进行转换
		var s = parseToEnglishData(1323337201000);
		alert(s);

		//字符串
		var s1 = parseToEnglishData("2011-12-08 17:40:01");
		alert(s1)