Java 获取昨天、明天、半年、一年、前十分钟、前一个月等的时间

public static void main(String[] args) throws IOException { Map<String, String> week = getDateScope("week", null); Map<String, String> dateHHMMSSScope = getDateHHMMSSScope("10min", null); System.out.println(week); System.out.println(dateHHMMSSScope); //{minDate=2020-07-02, maxDate=2020-07-09} //{minDate=2020-07-02 09:08:44, maxDate=2020-07-02 09:18:44} } public static Map<String, String> getDateScope(String scope, Map<String, String> detail) { Map<String, String> dateMap = new HashMap<>(); SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd"); Date date = new Date(); String minDate = format.format(date); dateMap.put("minDate", minDate); Calendar c = Calendar.getInstance(); switch (scope) { case "week"://七天 c.setTime(new Date()); c.add(Calendar.DATE, 7); Date d = c.getTime(); String maxDate = format.format(d); dateMap.put("maxDate", maxDate); break; case "halfMonth"://半个月 c.setTime(new Date()); c.add(Calendar.DATE, 15); Date h = c.getTime(); String halfMonth = format.format(h); dateMap.put("maxDate", halfMonth); break; case "month"://一个月 c.setTime(new Date()); c.add(Calendar.MONTH, 1); Date m = c.getTime(); String mon = format.format(m); dateMap.put("maxDate", mon); break; case "threeMonth"://三个月 c.setTime(new Date()); c.add(Calendar.MONTH, 3); Date m3 = c.getTime(); String mon3 = format.format(m3); dateMap.put("maxDate", mon3); break; case "halfYear"://半年 c.setTime(new Date()); c.add(Calendar.MONTH, 6); Date m6 = c.getTime(); String mon6 = format.format(m6); dateMap.put("maxDate", mon6); break; case "year"://一年 c.setTime(new Date()); c.add(Calendar.YEAR, 1); Date y = c.getTime(); String year = format.format(y); dateMap.put("maxDate", year); break; case "cus"://自定义 dateMap = detail; break; } return dateMap; } public static Map<String, String> getDateHHMMSSScope(String scope, Map<String, String> detail) { Map<String, String> dateMap = new HashMap<>(); SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); Calendar c = Calendar.getInstance(); switch (scope) { case "10min"://十分钟前 Date tenMinutes = new Date(); c.setTime(tenMinutes); c.add(Calendar.MINUTE, -10); Date d = c.getTime(); String min = format.format(d); dateMap.put("minDate", min); dateMap.put("maxDate", format.format(tenMinutes)); break; case "1h"://一小时前 Date oneHourDate = new Date(); c.setTime(oneHourDate); c.add(Calendar.HOUR, -1); Date h = c.getTime(); String halfMonth = format.format(h); dateMap.put("minDate", halfMonth); dateMap.put("maxDate", format.format(oneHourDate)); break; case "3h"://三小时前 Date hDate = new Date(); c.setTime(hDate); c.add(Calendar.HOUR, -3); Date m = c.getTime(); String mon = format.format(m); dateMap.put("minDate", mon); dateMap.put("maxDate", format.format(hDate)); break; case "today"://今天 buidDateScope(dateMap, 0); break; case "yesterday"://昨天 buidDateScope(dateMap, -1); break; case "beforeyesterday"://前天 buidDateScope(dateMap, -2); break; case "cus"://自定义 dateMap = detail; break; } return dateMap; } /** * @param dateMap 结果 * @param day 0 当天开始结束时间、1明天开始结果时间 -1 前天开始结束时间 * @return void * @Description //TODO 获取前后天的时间，返回、 * @Date 15:34 2020/7/1 **/ private static void buidDateScope(Map<String, String> dateMap, int day) { SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); Calendar calendar = new GregorianCalendar(); calendar.add(Calendar.DATE, day); //一天的开始时间 yyyy:MM:dd 00:00:00 calendar.set(Calendar.HOUR_OF_DAY, 0); calendar.set(Calendar.MINUTE, 0); calendar.set(Calendar.SECOND, 0); calendar.set(Calendar.MILLISECOND, 0); Date dayStart = calendar.getTime(); String startStr = format.format(dayStart); //一天的结束时间 yyyy:MM:dd 23:59:59 calendar.set(Calendar.HOUR_OF_DAY, 23); calendar.set(Calendar.MINUTE, 59); calendar.set(Calendar.SECOND, 59); calendar.set(Calendar.MILLISECOND, 999); Date dayEnd = calendar.getTime(); String endStr = format.format(dayEnd); dateMap.put("minDate", startStr); dateMap.put("maxDate", endStr); }