Web前端编程入门--js时间转换

function jsonDateFormat(jsonDate) { ???//json日期格式转换为正常格式 ???var jsonDateStr = jsonDate.toString();//此处用到toString（）是为了让传入的值为字符串类型，目的是为了避免传入的数据类型不支持.replace（）方法 ???try { ???????var k = parseInt(jsonDateStr.replace("/Date(", "").replace(")/", ""), 10); ???????if (k < 0) ???????????return null; ???????var date = new Date(parseInt(jsonDateStr.replace("/Date(", "").replace(")/", ""), 10)); ???????var month = date.getMonth() + 1 < 10 ? "0" + (date.getMonth() + 1) : date.getMonth() + 1; ???????var day = date.getDate() < 10 ? "0" + date.getDate() : date.getDate(); ???????var hours = date.getHours() < 10 ? "0" + date.getHours() : date.getHours(); ???????var minutes = date.getMinutes() < 10 ? "0" + date.getMinutes() : date.getMinutes(); ???????var seconds = date.getSeconds() < 10 ? "0" + date.getSeconds() : date.getSeconds(); ???????var milliseconds = date.getMilliseconds(); ???????return date.getFullYear() + "-" + month + "-" + day + " " + hours + ":" + minutes + ":" + seconds; ???} ???catch (ex) { ???????return "时间格式转换错误"; ???}}

function dateTimeDiff(diff) { ???var myDate = new DateTimeAdd(‘d‘, diff); ???//获取当前年 ???var year = myDate.getFullYear(); ???//获取当前月 ???var month = myDate.getMonth() + 1; ???//获取当前日 ???var date = myDate.getDate(); ???var h = myDate.getHours(); ??????//获取当前小时数(0-23) ???var m = myDate.getMinutes(); ????//获取当前分钟数(0-59) ???var s = myDate.getSeconds(); ???var now = year + ‘-‘ + p(month) + "-" + p(date) + " " + p(h) + ‘:‘ + p(m) + ":" + p(s); ???return now;}/** * 获取当前时间 */function p(s) { ???return s < 10 ? ‘0‘ + s : s;}function DateTimeAdd(strInterval, Number) { ???var dtTmp = new Date(); ???switch (strInterval) { ???????case ‘s‘: return new Date(Date.parse(dtTmp) + (1000 * Number)); ???????case ‘n‘: return new Date(Date.parse(dtTmp) + (60000 * Number)); ???????case ‘h‘: return new Date(Date.parse(dtTmp) + (3600000 * Number)); ???????case ‘d‘: return new Date(Date.parse(dtTmp) + (86400000 * Number)); ???????case ‘w‘: return new Date(Date.parse(dtTmp) + ((86400000 * 7) * Number)); ???????case ‘q‘: return new Date(dtTmp.getFullYear(), (dtTmp.getMonth()) + Number * 3, dtTmp.getDate(), dtTmp.getHours(), dtTmp.getMinutes(), dtTmp.getSeconds()); ???????case ‘m‘: return new Date(dtTmp.getFullYear(), (dtTmp.getMonth()) + Number, dtTmp.getDate(), dtTmp.getHours(), dtTmp.getMinutes(), dtTmp.getSeconds()); ???????case ‘y‘: return new Date((dtTmp.getFullYear() + Number), dtTmp.getMonth(), dtTmp.getDate(), dtTmp.getHours(), dtTmp.getMinutes(), dtTmp.getSeconds()); ???}}