格式化日期 日期的加减
Examples:
var dateFormat = require('./dateFormat');
console.log(new Date().format('yyyy-MM-dd'));//2012-12-04
console.log(new Date().format('yyyyMMdd'));//20121204
console.log(new Date().format('yyyy-MM-dd hh:MM:ss'));//2012-12-04 11:27:38
console.log(new Date().format('yyyyMMdd hh:MM:ss'));//20121204 11:27:38
console.log(new Date().format('yyyy/MM/dd'));//2012/12/04
console.log(new Date().format('yyyy/MM/dd hh:MM:ss'));//2012/12/04 11:27:38
console.log(new Date().format('yyyyMMdd hh:MM:ss ll'));//20121204 11:27:38 868
console.log(new Date().format('yyyyMMdd kk:MM:ss'));//20121204 11:27:38
console.log(new Date().format('yyyyMMdd hhMMss'));//20121204 112738
console.log(new Date().format('yyyy/MM/dd hhMMss'));//2012/12/04 112738
console.log(new Date().format('MMss'));//1238
console.log(new Date().format('hh'));//11 24进制
console.log(new Date().format('kk'));//11 12进制
console.log(new Date().addYears(1).format('yyyyMMdd'));//20131204
console.log(new Date().minusYears(1).format('yyyyMMdd'));//20111204
console.log(new Date().addMonths(1).format('yyyyMMdd'));//20130104
console.log(new Date().minusMonths(1).format('yyyyMMdd'));//20121104
console.log(new Date().addDays(1).format('yyyyMMdd'));//20121205
console.log(new Date().minusDays(1).format('yyyyMMdd'));//20121203
console.log(new Date().addMinutes(1).format('yyyyMMdd hh:MM:ss'));//20121204 11:28:38
console.log(new Date().minusMinutes(1).format('yyyyMMdd hh:MM:ss'));//20121204 11:26:38
console.log(new Date().addSeconds(1).format('yyyyMMdd hh:MM:ss'));//20121204 11:27:39
console.log(new Date().minusMinutes(1).format('yyyyMMdd hh:MM:ss'));//20121204 11:26:38
console.log('20121204140135'.format('yyyyMMdd hh:MM:ss'));