| | |
| | | package com.ycl.utils; |
| | | |
| | | import org.apache.commons.lang3.time.DateFormatUtils; |
| | | import org.glassfish.jaxb.core.v2.TODO; |
| | | |
| | | import javax.annotation.Nullable; |
| | | import java.lang.management.ManagementFactory; |
| | |
| | | /** |
| | | * 获取某月开始日期 |
| | | */ |
| | | //TODO:校验逻辑是否正确 |
| | | public static String getMouthStart(@Nullable Date date) { |
| | | SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd"); |
| | | Calendar c = Calendar.getInstance(); |
| | | c.add(Calendar.MONTH, 0); |
| | | if (date != null) { |
| | | c.setTime(date); // 如果date不为null,则设置Calendar的日期为date |
| | | } |
| | | c.set(Calendar.DAY_OF_MONTH,1); |
| | | return df.format(c.getTime()); |
| | | } |
| | |
| | | public static String getMouthEnd(@Nullable Date date) { |
| | | SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd"); |
| | | Calendar c = Calendar.getInstance(); |
| | | if (date != null) { |
| | | c.setTime(date); // 如果date不为null,则设置Calendar的日期为date |
| | | } |
| | | c.set(Calendar.DAY_OF_MONTH, c.getActualMaximum(Calendar.DAY_OF_MONTH)); |
| | | return df.format(c.getTime()); |
| | | } |