java 获取上一周周一到周日的日期

返回了map值

public Map<String, Date> getLastWeek() {

// TODO Auto-generated method stub

Map<String, Date> map = new HashMap<String, Date>();

Calendar cal = Calendar.getInstance();

int n = cal.get(Calendar.DAY_OF_WEEK) - 1;

if (n == 0) {

n = 7;

}

cal.add(Calendar.DATE, -(7 + (n - 1)));// 上周一的日期

Date monday = cal.getTime();

map.put("monday", monday);

cal.add(Calendar.DATE, 1);

Date tuesday = cal.getTime();

map.put("tuesday", tuesday);

cal.add(Calendar.DATE, 1);

Date wednesday = cal.getTime();

map.put("wednesday", wednesday);

cal.add(Calendar.DATE, 1);

Date thursday = cal.getTime();

map.put("thursday", thursday);

cal.add(Calendar.DATE, 1);

Date friday = cal.getTime();

map.put("friday", friday);

cal.add(Calendar.DATE, 1);

Date saturday = cal.getTime();

map.put("saturday", saturday);

cal.add(Calendar.DATE, 1);

Date sunday = cal.getTime();

map.put("sunday", sunday);

return map;

}