From 59e91a4e9ddaf23cebb12993c774aa899ab22d16 Mon Sep 17 00:00:00 2001
From: 郑永安 <zyazyz250@sina.com>
Date: Mon, 19 Jun 2023 14:22:45 +0800
Subject: [PATCH] 描述
---
src/main/java/com/gk/firework/Domain/Vo/SortTime.java | 59 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 59 insertions(+), 0 deletions(-)
diff --git a/src/main/java/com/gk/firework/Domain/Vo/SortTime.java b/src/main/java/com/gk/firework/Domain/Vo/SortTime.java
new file mode 100644
index 0000000..abbd3be
--- /dev/null
+++ b/src/main/java/com/gk/firework/Domain/Vo/SortTime.java
@@ -0,0 +1,59 @@
+package com.gk.firework.Domain.Vo;
+
+import java.text.SimpleDateFormat;
+import java.util.Collections;
+import java.util.Date;
+import java.util.List;
+import java.lang.reflect.Field;
+import java.util.Comparator;
+
+
+public class SortTime {
+ public List<?> sortByInt(List<?> list, final String param ,Byte order){
+ //自定义Comparator对象，自定义排序
+ Comparator c = new Comparator() {
+ @Override
+ public int compare(Object o1, Object o2) {
+ try {
+ SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
+ Field field1 = o1.getClass().getDeclaredField(param);
+ Field field2 = o2.getClass().getDeclaredField(param);
+ field1.setAccessible(true);
+ field2.setAccessible(true);
+ Date date1 = null;
+ Date date2 = null;
+ try {
+ date1 = (Date)field1.get(o1);
+ }catch (Exception e){
+ e.printStackTrace();
+ }
+ try {
+ date2 = (Date) field2.get(o2);
+ }catch (Exception e){
+ e.printStackTrace();
+ }
+
+ if((int)date1.getTime() < (int) date2.getTime()){
+ return 1;
+ }else if((int)date1.getTime() > (int) date2.getTime()){
+ return -1;
+ }else {
+ return 0;
+ }
+ //注意！！返回值必须是一对相反数，否则无效。jdk1.7以后就是这样。
+ } catch (Exception e) {
+ e.printStackTrace();
+ }
+ return 1;
+ }
+ };
+ if(order == 1){
+ Collections.sort(list, c);
+ }else {
+ Collections.sort(list, c.reversed());
+ }
+
+ return list;
+ }
+
+}
--
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