js原生format方法格式化Date时间日期
javascript代码如下：
- <script>
- Date.prototype.format = function(format) {
- if (isNaN(this)) return '';
- var o = {
- 'm+': this.getMonth() + 1,
- 'd+': this.getDate(),
- 'h+': this.getHours(),
- 'n+': this.getMinutes(),
- 's+': this.getSeconds(),
- 'S': this.getMilliseconds(),
- 'W': ["日", "一", "二", "三", "四", "五", "六"][this.getDay()],
- 'q+': Math.floor((this.getMonth() + 3) / 3)
- };
- if (format.indexOf('am/pm') >= 0) {
- format = format.replace('am/pm', (o['h+'] >= 12) ? '下午' : '上午');
- if (o['h+'] >= 12) o['h+'] -= 12;
- }
- if (/(y+)/.test(format)) {
- format = format.replace(RegExp.$1, (this.getFullYear() + "").substr(4 - RegExp.$1.length));
- }
- for (var k in o) {
- if (new RegExp("(" + k + ")").test(format)) {
- format = format.replace(RegExp.$1, RegExp.$1.length == 1 ? o[k] : ("00" + o[k]).substr(("" + o[k]).length));
- }
- }
- return format;
- }
- var time = new Date().format('yyyy-mm-dd hh-nn-ss');
- alert("现在是"+time);
- </script>
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发表于 2022-10-3 08:54:34
