From 0ef6cd6cc24d71b274d12df234d0c46991f3df1d Mon Sep 17 00:00:00 2001
From: chenweijian <820961417@qq.com>
Date: Thu, 20 Apr 2023 11:52:02 +0800
Subject: [PATCH] =?UTF-8?q?=E8=8E=B7=E5=8F=96=E4=B8=8A=E4=B8=AA=E6=9C=88?=
 =?UTF-8?q?=E5=BC=80=E5=A7=8B=E6=97=B6=E9=97=B4?=
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---
 utils/time.go | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/utils/time.go b/utils/time.go
index 3044826..d2e3476 100644
--- a/utils/time.go
+++ b/utils/time.go
@@ -59,3 +59,10 @@ func AddDate(t time.Time, years int, months int) time.Time {
 func DayRemainSecond(date time.Time) int64 {
 	return time.Date(date.Year(), date.Month(), date.Day(), 23, 59, 59, 999, date.Location()).Unix() - date.Unix()
 }
+
+func GetLastMonthStart(t time.Time) time.Time {
+	thisMonthStart := time.Date(t.Year(), t.Month(), 1, 0, 0, 0, 0, t.Location())
+	lastDay := thisMonthStart.AddDate(0, 0, -1)
+	lastMonthStart := time.Date(lastDay.Year(), lastDay.Month(), 1, 0, 0, 0, 0, t.Location())
+	return lastMonthStart
+}
-- 
2.22.0