在Spring Boot微服务中的JWT令牌中添加多个声明

import io.jsonwebtoken.Claims;
import io.jsonwebtoken.Jwts;
import io.jsonwebtoken.SignatureAlgorithm;

import java.util.Date;

public class JwtUtil {
    private static final String SECRET_KEY = "your-secret-key";
    private static final long EXPIRATION_TIME = 86400000; // 24 hours

    public static String generateToken(CustomClaims customClaims) {
        Date now = new Date();
        Date expiration = new Date(now.getTime() + EXPIRATION_TIME);

        return Jwts.builder()
                .setSubject(customClaims.getUsername())
                .claim("role", customClaims.getRole())
                .claim("permissions", customClaims.getPermissions())
                .setIssuedAt(now)
                .setExpiration(expiration)
                .signWith(SignatureAlgorithm.HS256, SECRET_KEY)
                .compact();
    }

    public static CustomClaims parseToken(String token) {
        Claims claims = Jwts.parser()
                .setSigningKey(SECRET_KEY)
                .parseClaimsJws(token)
                .getBody();

        CustomClaims customClaims = new CustomClaims();
        customClaims.setUsername(claims.getSubject());
        customClaims.setRole((String) claims.get("role"));
        customClaims.setPermissions((List<String>) claims.get("permissions"));

        return customClaims;
    }
}