小修改

mall-security/src/main/java/com/macro/mall/security/util/JwtTokenUtil.java

@@ -7,7 +7,6 @@ import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.security.core.userdetails.UserDetails;
-import org.springframework.stereotype.Component;
 
 import java.util.Date;
 import java.util.HashMap;
@@ -24,7 +23,6 @@ import java.util.Map;
  * HMACSHA512(base64UrlEncode(header) + "." +base64UrlEncode(payload),secret)
  * Created by macro on 2018/4/26.
  */
-//@Component
 public class JwtTokenUtil {
     private static final Logger LOGGER = LoggerFactory.getLogger(JwtTokenUtil.class);
     private static final String CLAIM_KEY_USERNAME = "sub";
@@ -58,7 +56,7 @@ public class JwtTokenUtil {
                     .parseClaimsJws(token)
                     .getBody();
         } catch (Exception e) {
-            LOGGER.info("JWT格式验证失败:{}",token);
+            LOGGER.info("JWT格式验证失败:{}", token);
         }
         return claims;
     }
@@ -77,7 +75,7 @@ public class JwtTokenUtil {
         String username;
         try {
             Claims claims = getClaimsFromToken(token);
-            username =  claims.getSubject();
+            username = claims.getSubject();
         } catch (Exception e) {
             username = null;
         }
@@ -124,13 +122,14 @@ public class JwtTokenUtil {
     /**
      * 判断token是否可以被刷新
      */
-    public boolean canRefresh(String token) {
+    private boolean canRefresh(String token) {
         return !isTokenExpired(token);
     }
 
 
     /**
      * 当原来的token没过期是可以刷新
+     *
      * @param oldToken 带tokenHead的token
      */
     public String refreshHeadToken(String oldToken) {