1

src/main/java/com/cdf/util/DateUtil.java

@@ -57,10 +57,14 @@ public class DateUtil {
     public static String getWeekStart(Date date){
         Calendar cal=Calendar.getInstance();
         cal.setTime(date);
-        cal.add(Calendar.WEEK_OF_MONTH, 0);
-        cal.set(Calendar.DAY_OF_WEEK, 2);
-        Date time=cal.getTime();
-        return new SimpleDateFormat(DAY_FORMAT).format(time);
+        int dayWeek = cal.get(Calendar.DAY_OF_WEEK);
+        if (1 == dayWeek) {
+            cal.add(Calendar.DAY_OF_MONTH, -1);
+        }
+        cal.setFirstDayOfWeek(Calendar.MONDAY);
+        int day = cal.get(Calendar.DAY_OF_WEEK);
+        cal.add(Calendar.DATE, cal.getFirstDayOfWeek() - day);
+        return new SimpleDateFormat(DAY_FORMAT).format(cal.getTime());
     }
     /**
      * 获取上周周的第一天