目录1. 获取年月日时分秒2. 区分系统时间是24小时制还是12小时制3. 字符串转时间戳4. 时间戳转字符串方法补充在项目开发中，难免会遇到使用当前时间，比如实现网络请求上传报文、预约、日历等功能。
I\'m building a Rails site that, among other things, allows users to build their own recipe repository.Recipes are entered either manually or via a link to another site (think epicurious, cooks.com, e
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