更新后端基础

app/common/utils/JwtUtil.php

@@ -0,0 +1,61 @@
+<?php
+
+namespace app\common\utils;
+
+use Firebase\JWT\JWT;
+use Firebase\JWT\Key;
+
+class JwtUtil
+{
+    /**
+     * 生成 JWT
+     */
+    public static function generateToken(array $payloadBase): string
+    {
+        $config = config('jwt', []);
+        $secret = $config['secret'] ?? 'mpay-secret';
+        $ttl = (int)($config['ttl'] ?? 7200);
+        $alg = $config['alg'] ?? 'HS256';
+
+        $now = time();
+        $payload = array_merge($payloadBase, [
+            'iat' => $now,
+            'exp' => $now + $ttl,
+        ]);
+
+        return JWT::encode($payload, $secret, $alg);
+    }
+
+    /**
+     * 解析 JWT
+     */
+    public static function parseToken(string $token): array
+    {
+        $config = config('jwt', []);
+        $secret = $config['secret'] ?? 'mpay-secret';
+        $alg = $config['alg'] ?? 'HS256';
+
+        $decoded = JWT::decode($token, new Key($secret, $alg));
+        return json_decode(json_encode($decoded, JSON_UNESCAPED_UNICODE), true) ?: [];
+    }
+
+    /**
+     * 获取 ttl（秒）
+     */
+    public static function getTtl(): int
+    {
+        $config = config('jwt', []);
+        return (int)($config['ttl'] ?? 7200);
+    }
+
+    /**
+     * 获取缓存前缀
+     */
+    public static function getCachePrefix(): string
+    {
+        $config = config('jwt', []);
+        return $config['cache_prefix'] ?? 'token_';
+    }
+}
+
+