增加根据token获取用户信息

src/main/java/com/sczx/order/dto/SimpleUserInfoDTO.java

@@ -0,0 +1,19 @@
+package com.sczx.order.dto;
+
+import io.swagger.annotations.ApiModel;
+import io.swagger.annotations.ApiModelProperty;
+import lombok.Data;
+
+@ApiModel(value = "基本用户信息")
+@Data
+public class SimpleUserInfoDTO {
+
+    @ApiModelProperty(value = "用户id")
+    private Integer userId;
+
+    @ApiModelProperty(value = "用户姓名")
+    private String userName;
+
+    @ApiModelProperty(value = "角色id")
+    private Integer roleId;
+}

src/main/java/com/sczx/order/utils/JwtUtil.java

@@ -1,5 +1,7 @@
 package com.sczx.order.utils;
 
+import com.google.common.collect.Maps;
+import com.sczx.order.dto.SimpleUserInfoDTO;
 import io.jsonwebtoken.JwtException;
 import io.jsonwebtoken.Jwts;
 import io.jsonwebtoken.SignatureAlgorithm;
@@ -10,6 +12,7 @@ import org.springframework.stereotype.Component;
 
 import javax.crypto.SecretKey;
 import java.util.Date;
+import java.util.Map;
 
 /**
  * @Author: 张黎
@@ -30,16 +33,38 @@ public class JwtUtil {
 //        this.key = Keys.secretKeyFor(SignatureAlgorithm.HS512);
         log.info("JWT 密钥：{}", secretKey);
     }
-
+    // 支持自定义 claims 的 generateToken 方法
-    public String generateToken(String username, String role) {
+    public String generateToken(SimpleUserInfoDTO simpleUserInfoDTO, String subject){
+        Map<String, Object> claims = Maps.newHashMap();
+        claims.put("userInfo", simpleUserInfoDTO.getUserId());
         return Jwts.builder()
-                .setSubject(username)
+                .setClaims(claims)  // 设置自定义 claims
-                .claim("role", role)
+                .setSubject(subject)
                 .setExpiration(new Date(System.currentTimeMillis() + expiration))
                 .signWith(key, SignatureAlgorithm.HS512)
                 .compact();
     }
 
+    // 从 token 中提取某个字段
+    public <T> T getClaim(String token, String claimKey, Class<T> clazz) {
+        return Jwts.parserBuilder()
+                .setSigningKey(key)
+                .build()
+                .parseClaimsJws(token)
+                .getBody()
+                .get(claimKey, clazz);
+    }
+
+    // 从 token 中提取某个对象类型的字段（支持复杂对象）
+    public <T> T getClaimFromToken(String token, String claimKey, Class<T> targetClass) {
+        return Jwts.parserBuilder()
+                .setSigningKey(key)
+                .build()
+                .parseClaimsJws(token)
+                .getBody()
+                .get(claimKey, targetClass);
+    }
+
     public String extractUsername(String token) {
         return Jwts.parserBuilder()
                 .setSigningKey(key)

src/main/java/com/sczx/order/utils/RedisUtil.java

@@ -1,5 +1,6 @@
 package com.sczx.order.utils;
 
+import lombok.extern.slf4j.Slf4j;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.data.redis.core.StringRedisTemplate;
 import org.springframework.stereotype.Component;
@@ -11,6 +12,7 @@ import java.util.concurrent.TimeUnit;
  * @Date: 2025/07/06/14:21
  * @Description:
  */
+@Slf4j
 @Component
 public class RedisUtil {
 
@@ -30,4 +32,39 @@ public class RedisUtil {
         redisTemplate.delete(key);
     }
 
+    private static final Long DEFAULT_EXPIRE = 120L;
+
+    public boolean getRedisLock(String key, String lockName) {
+        log.info("获取锁 - {}", key);
+        return getRedisLockWithTimeout(key, lockName, 120L);
+    }
+
+    /**
+     * 获取redislock
+     * 加锁并设置过期时间
+     *
+     * @param key
+     * @param lockName
+     * @return
+     */
+    public boolean getRedisLockWithTimeout(String key, String lockName, Long lockExpire) {
+        boolean lock = false;
+        if (Boolean.TRUE.equals(redisTemplate.opsForValue().setIfAbsent(key, lockName))) {
+            redisTemplate.expire(key, lockExpire, TimeUnit.SECONDS);
+            return true;
+        }
+        if (redisTemplate.getExpire(key) == -1) {
+            //保证锁一定设置过期时间
+            redisTemplate.expire(key, DEFAULT_EXPIRE, TimeUnit.SECONDS);
+        }
+        log.info("未获取到锁:" + lock + ", lockName={},key={}", lockName, key);
+
+        return lock;
+    }
+
+    public void deleteRedisLock(String key) {
+        log.info("释放锁 - {}", key);
+        redisTemplate.delete(key);
+    }
+
 }