~~~ //num: 正数为后一天，负数为前一天 0为今天 //str为日期间隔符，例如 -,/ function getDay(num, str) { var today = new Date(); var nowTime = today.getTime(); var ms = 24 * 3600 * 1000 * num; today.setTime(parseInt(nowTime + ms)); var oYear = today.getFullYear(); var oMoth = (today.getMonth() + 1).toString(); if (oMoth.length <= 1) oMoth = '0' + oMoth; var oDay = today.getDate().toString(); if (oDay.length <= 1) oDay = '0' + oDay; //return oYear + str + oMoth + str + oDay; //返回年月日 return oMoth + str + oDay + str + oYear ;//返回月日年 } ~~~ // js取年月 ~~~ var date = new Date(); var year1 = date.getYear(); //获取完整的年份(2位) var year2 = date.getFullYear(); //获取完整的年份(4位) var month = date .getMonth()+1; //获取当前月份(0-11,0代表1月) date .getDate(); //获取当前日(1-31) date .getDay(); //获取当前星期X(0-6,0代表星期天) date .getTime(); //获取当前时间(从1970.1.1开始的毫秒数) date .getHours(); //获取当前小时数(0-23) date .getMinutes(); //获取当前分钟数(0-59) date .getSeconds(); //获取当前秒数(0-59) date .getMilliseconds(); //获取当前毫秒数(0-999) date .toLocaleDateString(); //获取当前日期 var mytime=date .toLocaleTimeString(); //获取当前时间 date .toLocaleString( ); //获取日期与时间 ~~~