JJWT工具类

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已于 2024-12-17 21:13:06 修改 · 402 阅读

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#java #开发语言

于 2024-12-17 21:11:09 首次发布

1.TokenUtils

package com.jmj.guiguzhenxuan.token;

import cn.hutool.core.date.DateField;
import cn.hutool.core.date.DateTime;
import cn.hutool.core.date.DateUtil;
import com.jmj.guiguzhenxuan.global.exception.TokenException;
import com.jmj.guiguzhenxuan.global.response.ErrorCode;
import io.jsonwebtoken.*;

import java.security.KeyFactory;
import java.security.KeyPair;
import java.security.PrivateKey;
import java.security.PublicKey;
import java.security.spec.PKCS8EncodedKeySpec;
import java.security.spec.X509EncodedKeySpec;
import java.util.Base64;
import java.util.Date;
import java.util.UUID;

public class TokenUtils {

    public static KeyPair createKeyPair() {
        KeyPair build = Jwts.SIG.RS256.keyPair().build();
        PrivateKey aPrivate = build.getPrivate();
        PublicKey aPublic = build.getPublic();
        System.out.println(aPrivate.getAlgorithm());
        System.out.println("私钥:" + Base64.getEncoder().encodeToString(aPrivate.getEncoded()));
        System.out.println("公钥:" + Base64.getEncoder().encodeToString(aPublic.getEncoded()));
        return build;
    }

    public static PrivateKey getPrivateKey(String privateKey) {
        try {
            byte[] decode = Base64.getDecoder().decode(privateKey);
            PKCS8EncodedKeySpec keySpec = new PKCS8E