项目初始化

src/main/java/com/mini/capi/utils/vToken.java

@@ -0,0 +1,34 @@
+package com.mini.capi.utils;
+
+import java.security.SecureRandom;
+
+public class vToken {
+
+
+    private static final String DEFAULT_TOKEN = "3774e79ac55aff6d1afc0f94bfaf131d";
+
+    private static final SecureRandom RAND = new SecureRandom();
+    private static final char[] HEX = "0123456789abcdef".toCharArray();
+
+    public static boolean isValidToken(String token) {
+
+        return DEFAULT_TOKEN.equals(token);
+    }
+
+
+    /**
+     * 随机32位
+     */
+    public static String nextHex32() {
+        byte[] bytes = new byte[16];          // 16 字节 = 128 bit
+        RAND.nextBytes(bytes);
+        char[] chars = new char[32];
+        for (int i = 0, j = 0; i < 16; i++) {
+            int v = bytes[i] & 0xFF;
+            chars[j++] = HEX[v >>> 4];
+            chars[j++] = HEX[v & 0x0F];
+        }
+        return new String(chars);
+    }
+
+}