| <!-- json web token --><dependency> <groupId>io.jsonwebtoken</groupId> <artifactId>jjwt</artifactId> <version>0.9.1</version></dependency>package com.application.utils;import java.util.Calendar;import java.util.Date;import javax.crypto.spec.SecretKeySpec;import javax.xml.bind.DatatypeConverter;import io.jsonwebtoken.Claims;import io.jsonwebtoken.JwtBuilder;import io.jsonwebtoken.Jwts;import io.jsonwebtoken.SignatureAlgorithm;public class TokenUtil { /** * 加密 * @author Jason * @date 2019-03-29 * @param id 用户id * @param username 用户名称 * @param password 用户密码 * @param deviceId 设备号 * @param formatDate 过期日期 * @return 加密的token */ public static String createToken(String id, String username, String password, String deviceId, String formatDate) { SignatureAlgorithm signatureAlgorithm = SignatureAlgorithm.HS256; long nowMillis = Calendar.getInstance().getTimeInMillis(); Date now = new Date(nowMillis); // 加密秘钥 byte[] apiKeySecretBytes = DatatypeConverter.parseBase64Binary('123456789'); SecretKeySpec signingKey = new SecretKeySpec(apiKeySecretBytes, signatureAlgorithm.getJcaName()); JwtBuilder builder = Jwts.builder() .setIssuedAt(now) .setId(id) .setIssuer(username) .setSubject(password) .setAudience(deviceId) .signWith(signatureAlgorithm,signingKey); // 设置过期日期 Date expirationDate = null; if (null != formatDate) { try { expirationDate = DateUtil.stringToDate(formatDate); } catch (Exception e) { expirationDate = getDefultExpirationDate(); } if(null == expirationDate || expirationDate.before(new Date())){ expirationDate = getDefultExpirationDate(); } } else { expirationDate = getDefultExpirationDate(); } builder.setExpiration(expirationDate); return builder.compact(); } /** * 获取默认的过期时间，默认是七天以后 * @author Arwen Liu * @date 2018-10-29 * @return Date */ private static Date getDefultExpirationDate(){ long timeInMillis = Calendar.getInstance().getTimeInMillis(); Long time = 1 * 1000 * 60 * 60 * 24 * 7l; time += timeInMillis; return new Date(time); } /** * 解密 * @author Arwen Liu * @date 2018-10-29 * @param token * @return Claims */ public static Claims parseToken(String token) { Claims claims = Jwts.parser() // s解密密钥，需要和 加密秘钥一致 .setSigningKey(DatatypeConverter.parseBase64Binary('123456789')) .parseClaimsJws(token).getBody(); return claims; } public static void main(String[] args) { String secretToken = createToken('1001', 'staff', '123456','deviceId', '2018-12-28'); System.out.println('加密后---->' + secretToken); // ss解密 Claims claims = parseToken(secretToken); System.out.println('解密后---->'); System.out.println('id: ' + claims.getId()); System.out.println('username: ' + claims.getIssuer()); System.out.println('password: ' + claims.getSubject()); System.out.println('deviceId: '+ claims.getAudience()); System.out.println('expiration: ' + DateUtil.dateToString(claims.getExpiration(), 'yyyy-MM-dd')); }} |
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