From f6a98fb9f4ae23e9c6c8e6c242b56b1d139f1787 Mon Sep 17 00:00:00 2001
From: heshunme <heshunme@outlook.com>
Date: Mon, 1 Jul 2024 18:14:16 +0800
Subject: [PATCH] =?UTF-8?q?=E4=B8=BAJwtUtil=E6=B7=BB=E5=8A=A0=E4=BB=8Ejwt?=
 =?UTF-8?q?=E7=9B=B4=E6=8E=A5=E8=8E=B7=E5=8F=96username=E7=9A=84=E5=8A=9F?=
 =?UTF-8?q?=E8=83=BD?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/main/java/org/cmh/backend/Utils/JwtUtil.java | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/main/java/org/cmh/backend/Utils/JwtUtil.java b/src/main/java/org/cmh/backend/Utils/JwtUtil.java
index 97b1c69..b8faa1d 100644
--- a/src/main/java/org/cmh/backend/Utils/JwtUtil.java
+++ b/src/main/java/org/cmh/backend/Utils/JwtUtil.java
@@ -29,6 +29,10 @@ public class JwtUtil {
                 .getBody();
     }
 
+    public static String extractUsername(String token) {
+        return extractClaims(token).getSubject();
+    }
+
     public static boolean isTokenValid(String token, String username) {
         return username.equals(extractClaims(token).getSubject()) && !isTokenExpired(token);
     }