Jwt工具类

njcn-common/src/main/java/com/njcn/common/utils/JwtUtil.java

@@ -0,0 +1,64 @@
+package com.njcn.common.utils;
+
+import cn.hutool.jwt.JWT;
+import cn.hutool.jwt.JWTUtil;
+
+import java.nio.charset.StandardCharsets;
+import java.time.Instant;
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * @author caozehui
+ * @data 2024/11/18
+ */
+public class JwtUtil {
+    /**
+     * 过期时间(单位:秒)
+     */
+    public static final int ACCESS_EXPIRE = 60 * 60 * 24;
+
+    private final static String SECRET = "da3f9a7ad5a7d9dd5a7d9dd5a7d9d";
+
+    /**
+     * jwt主题
+     */
+    private final static String SUBJECT = "NJCN_PQS9100";
+
+    /**
+     * jwt签发者
+     */
+    private final static String JWT_ISS = "NJCN";
+
+    public static String generateToken(String userId) {
+        Map<String, Object> headers = new HashMap<>();
+        headers.put("typ", "JWT");
+        headers.put("alg", "HS256");
+        Map<String, Object> payload = new HashMap<>();
+        payload.put("userId", userId);
+        payload.put("exp", Instant.now().plusSeconds(ACCESS_EXPIRE).getEpochSecond());
+        payload.put("sub", SUBJECT);
+        payload.put("iss", JWT_ISS);
+        payload.put("iat", Instant.now().getEpochSecond());
+        return JWTUtil.createToken(headers, payload, SECRET.getBytes(StandardCharsets.UTF_8));
+    }
+
+    public static Map<String, Object> parseToken(String token) {
+        return JWTUtil.parseToken(token)
+                .setKey(SECRET.getBytes(StandardCharsets.UTF_8))
+                .getPayload()
+                .getClaimsJson();
+    }
+
+    public static void invalidateToken(String token) {
+        JWT.of(token).setPayload("exp", Instant.now().getEpochSecond());
+    }
+
+    public static void main(String[] args) {
+        String token = generateToken("123456");
+        System.out.println(token);
+        Map<String, Object> payload = parseToken(token);
+        System.out.println(payload);
+        invalidateToken(token);
+    }
+}