jwt工具类

src/main/java/com/template/utils/JwtUtil.java

+package com.template.utils;
+
+import com.auth0.jwt.JWT;
+import com.auth0.jwt.JWTVerifier;
+import com.auth0.jwt.algorithms.Algorithm;
+import com.auth0.jwt.interfaces.Claim;
+
+import java.util.Date;
+import java.util.Map;
+
+/**
+ * <p>
+ *  Token工具
+ * </p>
+ *
+ * @author DengMin
+ * @since 2021/4/14
+ */
+public class JwtUtil {
+
+//    半小时
+    private static Long EXPIRE_TIME =   30 * 60 * 1000L;
+
+    private static String SECRET = "PBKDF2SHA256:64000:18:24:N:GFHZ6Y0PTEUDYCJI3K6SOOXWYEKPOZED:WBWFJMX5DF252E0HR3BF3P/D";
+
+    /**
+     * 生成Token
+     * @param id
+     * @return
+     */
+    public static String generateToken(Long id, String type) {
+        Date expireDate = new Date(System.currentTimeMillis() + EXPIRE_TIME);
+        return JWT.create()
+                .withClaim("id", id)
+                .withClaim("type", type)
+                .withAudience()
+                .withExpiresAt(expireDate)
+                .withIssuedAt(new Date())
+                .sign(Algorithm.HMAC256(SECRET));
+    }
+
+    /**
+     * 检验token是否正确
+     * @param token
+     * @return
+     */
+    public static boolean verifyToken(String token) {
+        try {
+            Algorithm algorithm = Algorithm.HMAC256(SECRET);
+            JWTVerifier verifier = JWT.require(algorithm).build();
+            verifier.verify(token);
+            return true;
+        } catch (Exception e) {
+            return false;
+        }
+    }
+
+    /**
+     * 获取用户自定义Claim集合
+     * @param token
+     * @return
+     */
+    public static Map<String, Claim> getClaims(String token) {
+        Algorithm algorithm = Algorithm.HMAC256(SECRET);
+        JWTVerifier verifier = JWT.require(algorithm).build();
+        Map<String, Claim> claims = verifier.verify(token).getClaims();
+        return claims;
+    }
+
+    /**
+     * 获取过期时间
+     * @param token
+     * @return
+     */
+    public static Date getExpiresAt(String token) {
+        Algorithm algorithm = Algorithm.HMAC256(SECRET);
+        return JWT
+                .require(algorithm)
+                .build()
+                .verify(token)
+                .getExpiresAt();
+    }
+
+    /**
+     * 验证token是否失效
+     * @param token
+     * @return true: 过期, false: 没过期
+     */
+    public static boolean isExpired(String token) {
+        try {
+            final Date expiration = getExpiresAt(token);
+            return expiration.before(new Date());
+        } catch (Exception e) {
+            return true;
+        }
+    }
+}