From a8c13892dcf92a2285d14e78d9b38f24136eb3d9 Mon Sep 17 00:00:00 2001
From: falcon <9504402@qq.com>
Date: Thu, 27 Oct 2022 10:11:01 +0800
Subject: [PATCH] =?UTF-8?q?=E5=A2=9E=E5=8A=A0=E5=88=A4=E6=96=AD=E5=AD=97?=
 =?UTF-8?q?=E7=AC=A6=E4=B8=B2=E6=98=AF=E5=90=A6=E4=B8=BA=E6=8C=87=E5=AE=9A?=
 =?UTF-8?q?=E6=97=B6=E9=97=B4=E6=A0=BC=E5=BC=8F=E7=9A=84=E6=96=B9=E6=B3=95?=
 =?UTF-8?q?=E3=80=82?=
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---
 Falcon.SugarApi/StringExtend.cs | 19 ++++++++++++++++++-
 1 file changed, 18 insertions(+), 1 deletion(-)

diff --git a/Falcon.SugarApi/StringExtend.cs b/Falcon.SugarApi/StringExtend.cs
index ec0b773..e38a5c5 100644
--- a/Falcon.SugarApi/StringExtend.cs
+++ b/Falcon.SugarApi/StringExtend.cs
@@ -72,5 +72,22 @@ namespace Falcon.SugarApi
                 return false;
             }
         }
+
+        /// <summary>
+        /// 返回字符串是否为指定格式的日期时间格式
+        /// </summary>
+        /// <param name="str">给定字符串</param>
+        /// <param name="dateFormat">日期时间格式</param>
+        /// <returns>是True，否False</returns>
+        /// <exception cref="ArgumentNullException">参数为空</exception>
+        public static bool IsDateFormat(this string str, string dateFormat) {
+            if (str.IsNullOrEmpty()) {
+                throw new ArgumentNullException(nameof(str));
+            }
+            if (dateFormat.IsNullOrEmpty()) {
+                throw new ArgumentNullException(nameof(dateFormat));
+            }
+            return str.TryToDateTime(dateFormat, out var _);
+        }
     }
-}
+}
\ No newline at end of file