初始化请求头

src/main/java/com/rome/order/domain/util/HmacSHA256Util.java

+package com.rome.order.domain.util;
+
+
+import org.apache.commons.net.util.Base64;
+
+import javax.crypto.Mac;
+import javax.crypto.spec.SecretKeySpec;
+import java.util.Date;
+
+/**
+ * @Author: zhoupeng
+ * @createTime: 2023年08月28日 17:39:12
+ * @version: 1.0
+ * @Description:
+ * @copyright:
+ */
+public class HmacSHA256Util {
+
+    /**
+     * HmacSHA256算法,返回的结果始终是32位
+     *
+     * @param key     加密的键，可以是任何数据
+     * @param content 待加密的内容
+     * @return 加密后的内容
+     * @throws Exception
+     */
+    public static byte[] hmacSHA256(byte[] key, byte[] content) throws Exception {
+        Mac hmacSha256 = Mac.getInstance("HmacSHA256");
+        hmacSha256.init(new SecretKeySpec(key, 0, key.length, "HmacSHA256"));
+        byte[] hmacSha256Bytes = hmacSha256.doFinal(content);
+        return hmacSha256Bytes;
+    }
+
+    /**
+     * 将加密后的字节数组转换成字符串
+     *
+     * @param b 字节数组
+     * @return 字符串
+     */
+    public static String byteArrayToHexString(byte[] b) {
+        StringBuilder hs = new StringBuilder();
+        String stmp;
+        for (int n = 0; b != null && n < b.length; n++) {
+            stmp = Integer.toHexString(b[n] & 0XFF);
+            if (stmp.length() == 1)
+                hs.append('0');
+            hs.append(stmp);
+        }
+        return hs.toString().toLowerCase();
+    }
+
+    /**
+     * sha256_HMAC加密
+     *
+     * @param message 消息
+     * @param secret  秘钥
+     * @return 加密后字符串
+     */
+    public static String hmacSHA256(String secret, String message) throws Exception {
+        String hash = "";
+        Mac hmacSha256 = Mac.getInstance("HmacSHA256");
+        SecretKeySpec secret_key = new SecretKeySpec(secret.getBytes(), "HmacSHA256");
+        hmacSha256.init(secret_key);
+        byte[] bytes = hmacSha256.doFinal(message.getBytes());
+        hash = byteArrayToHexString(bytes);
+        return hash;
+    }
+
+
+    public static void main(String[] args) {
+        String enterpriseId = "10000001";
+        String timestamp = DateUtils.convert(new Date(), DateUtils.YYYYMMDDHHMMSS);
+
+//        HMAC-SHA256(enterpriseId+ timestamp+去除节点间的空格及换行符的请求体)
+        String message = enterpriseId + timestamp;
+        System.out.println("加密前 =========>" + message);
+        String str = "";
+        try {
+            str = HmacSHA256Util.hmacSHA256(enterpriseId, timestamp);
+            String encodeStr = Base64.encodeBase64String(str.getBytes());
+            System.out.println("加密后 =========>" + str);
+        } catch (Exception e) {
+            System.out.println("Error HmacSHA256 ===========>" + e.getMessage());
+        }
+    }
+
+
+}