在OpenAm中更改JWT-token组合

import com.nimbusds.jose.JWSAlgorithm;
import com.nimbusds.jose.JWSHeader;
import com.nimbusds.jose.crypto.RSASSASigner;
import com.nimbusds.jwt.JWTClaimsSet;
import com.nimbusds.jwt.SignedJWT;

import java.security.PrivateKey;
import java.util.Date;

public class JWTExample {
    public static void main(String[] args) throws Exception {
        // 创建JWT Claims
        JWTClaimsSet claimsSet = new JWTClaimsSet.Builder()
                .subject("user123")
                .expirationTime(new Date(System.currentTimeMillis() + 3600 * 1000)) // 1小时过期
                .build();

        // 创建JWS Header
        JWSHeader header = new JWSHeader.Builder(JWSAlgorithm.RS256).build();

        // 创建SignedJWT
        SignedJWT signedJWT = new SignedJWT(header, claimsSet);

        // 使用私钥签名
        PrivateKey privateKey = ...; // 获取私钥
        RSASSASigner signer = new RSASSASigner(privateKey);
        signedJWT.sign(signer);

        // 输出签名的JWT
        System.out.println(signedJWT.serialize());

        // 验证JWT
        signedJWT.verify(signer);
        System.out.println("JWT验证成功");
    }
}