package com.mes.common.utils;
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import io.jsonwebtoken.Claims;
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import io.jsonwebtoken.Jwts;
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import io.jsonwebtoken.SignatureAlgorithm;
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import lombok.Data;
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import java.util.Date;
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/**
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* @Author : zhoush
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* @Date: 2024/4/9 19:15
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* @Description:
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*/
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@Data
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public class JwtUtil {
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private static final long expire = 60 * 60 * 1000L;
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private static final String secret = "beibo";
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private static final String header = "Authorization";
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// 生成jwt
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public static String generateToken(String username) {
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Date nowDate = new Date();
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Date expireDate = new Date(nowDate.getTime() + 1000 * expire);
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return Jwts.builder()
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.setHeaderParam("typ", "JWT")
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.setSubject(username)
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.setIssuedAt(nowDate)
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.setExpiration(expireDate)// 7天過期
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.signWith(SignatureAlgorithm.HS512, secret)
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.compact();
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}
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// 解析jwt
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public static Claims getClaimByToken(String jwt) {
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try {
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return Jwts.parser()
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.setSigningKey(secret)
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.parseClaimsJws(jwt)
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.getBody();
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} catch (Exception e) {
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return null;
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}
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}
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// jwt是否过期
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public boolean isTokenExpired(Claims claims) {
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return claims.getExpiration().before(new Date());
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}
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}
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