add jwt decode and remove shopping cart API parameter memberId

smart-admin-service/smart-admin-api/src/main/java/net/lab1024/smartadmin/util/SmartJWTUtil.java

@@ -0,0 +1,85 @@
+package net.lab1024.smartadmin.util;
+
+import com.auth0.jwt.JWT;
+import com.auth0.jwt.JWTVerifier;
+import com.auth0.jwt.algorithms.Algorithm;
+import com.auth0.jwt.exceptions.JWTVerificationException;
+import com.auth0.jwt.interfaces.DecodedJWT;
+
+import java.util.Date;
+import java.util.HashMap;
+import java.util.Map;
+
+public class SmartJWTUtil {
+
+    /**
+     * 过期时间一天
+     */
+    private static final int EXPIRE_SECONDS = 1 * 24 * 3600;
+    /**
+     * jwt加密字段
+     */
+    private static final String CLAIM_ID_KEY = "id";
+
+    //设置过期时间
+    private static final long EXPIRE_DATE = 30 * 60 * 100000;
+    //token秘钥
+    private static final String TOKEN_SECRET = "smart-admin-jwt-key";
+
+
+
+
+    public static String generateToken(String userId) {
+        String token;
+        try {
+            //过期时间
+            Date date = new Date(System.currentTimeMillis() + EXPIRE_DATE);
+            //秘钥及加密算法
+            Algorithm algorithm = Algorithm.HMAC256(TOKEN_SECRET);
+            //设置头部信息
+            Map<String, Object> header = new HashMap<>();
+            header.put("typ", "JWT");
+            header.put("alg", "HS256");
+            //携带UserId信息，生成签名
+            token = JWT.create()
+                    .withHeader(header)
+                    .withClaim(CLAIM_ID_KEY, userId)
+                    .withExpiresAt(date)
+                    .sign(algorithm);
+        } catch (Exception e) {
+            e.printStackTrace();
+            return null;
+        }
+        return token;
+    }
+
+
+    /**
+     * JWT解密
+     *
+     * @Author: RZH
+     * @Date: 2020/4/6 9:30
+     */
+    public static String decodeToken(final String token) {
+        String userId = null;
+        try {
+            JWTVerifier verifier = JWT.require(Algorithm.HMAC256(TOKEN_SECRET))
+                    .build();
+            DecodedJWT jwt = verifier.verify(token);
+            if (jwt != null) {
+                userId = jwt.getClaim(CLAIM_ID_KEY).asString();
+            }
+        } catch (JWTVerificationException exception) {
+            exception.printStackTrace();
+        } catch (IllegalArgumentException e) {
+            e.printStackTrace();
+        }
+        return userId;
+    }
+
+    public static void main(String[] args) {
+        String token =  SmartJWTUtil.generateToken("844350");
+        System.out.println(SmartJWTUtil.decodeToken(token));
+    }
+
+}