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snippets - date formate
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// 对Date的扩展,将 Date 转化为指定格式的String | |
// 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) | |
// 例子: | |
// (new Date()).Format("yyyy-MM-dd hh:mm:ss.S") ==> 2006-07-02 08:09:04.423 | |
// (new Date()).Format("yyyy-M-d h:m:s.S") ==> 2006-7-2 8:9:4.18 | |
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 | |
}; | |
if (/(y+)/.test(fmt)) | |
fmt = fmt.replace( | |
RegExp.$1, | |
(this.getFullYear() + "").substr(4 - RegExp.$1.length) | |
); | |
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; | |
}; |
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