java获取三年前的日期_如何在java中获取以前的日期
我会重写这些答案.您可以使用DateFormat dateFormat = new SimpleDateFormat("yyyyMMdd");// Get a Date object from the date stringDate myDate = dateFormat.parse(dateString);// this calculation may skip a day (Standard-
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我会重写这些答案.
您可以使用
DateFormat dateFormat = new SimpleDateFormat("yyyyMMdd");
// Get a Date object from the date string
Date myDate = dateFormat.parse(dateString);
// this calculation may skip a day (Standard-to-Daylight switch)...
//oneDayBefore = new Date(myDate.getTime() - (24 * 3600000));
// if the Date->time xform always places the time as YYYYMMDD 00:00:00
// this will be safer.
oneDayBefore = new Date(myDate.getTime() - 2);
String result = dateFormat.format(oneDayBefore);
获得与使用日历计算的结果相同的结果.
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