Created
July 16, 2019 01:28
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JWT 工具类
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| import io.jsonwebtoken.Claims; | |
| import io.jsonwebtoken.Jwts; | |
| import io.jsonwebtoken.SignatureAlgorithm; | |
| import net.xdclass.xdvideo.domain.User; | |
| import java.util.Date; | |
| /** | |
| * jwt工具类 | |
| */ | |
| public class JwtUtils { | |
| public static final String SUBJECT = "xdclass"; | |
| public static final long EXPIRE = 1000*60*60*24*7; //过期时间，毫秒，一周 | |
| //秘钥 | |
| public static final String APPSECRET = "xd666"; | |
| /** | |
| * 生成jwt | |
| * @param user | |
| * @return | |
| */ | |
| public static String geneJsonWebToken(User user){ | |
| if(user == null || user.getId() == null || user.getName() == null | |
| || user.getHeadImg()==null){ | |
| return null; | |
| } | |
| String token = Jwts.builder().setSubject(SUBJECT) | |
| .claim("id",user.getId()) | |
| .claim("name",user.getName()) | |
| .claim("img",user.getHeadImg()) | |
| .setIssuedAt(new Date()) | |
| .setExpiration(new Date(System.currentTimeMillis()+EXPIRE)) | |
| .signWith(SignatureAlgorithm.HS256,APPSECRET).compact(); | |
| return token; | |
| } | |
| /** | |
| * 校验token | |
| * @param token | |
| * @return | |
| */ | |
| public static Claims checkJWT(String token ){ | |
| try{ | |
| final Claims claims = Jwts.parser().setSigningKey(APPSECRET). | |
| parseClaimsJws(token).getBody(); | |
| return claims; | |
| }catch (Exception e){ } | |
| return null; | |
| } | |
| } |
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