package com.zhjt.zhdataexchange.utils;import io.jsonwebtoken.*; import org.springframework.boot.context.properties.ConfigurationProperties; import org.springframework.stereotype.Component;import java.util.Date;/*** @program: bzwz* @description: Jwt驗證工具類* @author: HXf* @create: 2019-01-16 10:43**/ @Component @ConfigurationProperties("jwt.config") public class JwtUtil {private String key;private Long ttl;public String getKey() {return key;}public void setKey(String key) {this.key = key;}public Long getTtl() {return ttl;}public void setTtl(Long ttl) {ttl = ttl*1000*60*60;this.ttl = ttl;}/*** @Description: 創建jwt* @Param: [id, subject, roles]* @return: java.lang.String* @Author: hxf* @Date: 11:12*/public String createJWT(String id,String subject,String roles){long nowMillis = System.currentTimeMillis();Date now = new Date(nowMillis);JwtBuilder builder = Jwts.builder().setId(id).setSubject(subject).setIssuedAt(now).signWith(SignatureAlgorithm.HS256, key).claim("roles", roles);if(ttl>0){builder.setExpiration(new Date(nowMillis + ttl));}return builder.compact();}/*** @Description: 解析JWT* @Param: [jwtStr]* @return: io.jsonwebtoken.Claims* @Author: hxf* @Date: 11:51*/public Claims parseJWT(String jwtStr){try{return Jwts.parser().setSigningKey(key).parseClaimsJws(jwtStr).getBody();} catch (ExpiredJwtException e) {throw new RuntimeException("登陸過期");//return null;}} }

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