add

app/utils/JwtUtils.php

@@ -0,0 +1,86 @@
+<?php
+
+namespace app\utils;
+use Firebase\JWT\JWT;
+use Firebase\JWT\Key;
+
+class JwtUtils
+{
+    private string $secret = "f4e2e52034348f86b67cde581c0f9eb5";
+    private int $expire = 604800; // 单位：秒
+    private string $header = "token";
+
+    public function __construct()
+    {
+        $this->secret = base64_decode($this->secret);
+    }
+
+
+    /**
+     * 生成 JWT Token
+     */
+    public function generateToken($userId, string $type): string
+    {
+        $now = time();
+        $payload = [
+            'sub' => (string)$userId,
+            'type' => $type,
+            'iat' => $now,
+            'exp' => $now + $this->expire
+        ];
+
+        return JWT::encode($payload, $this->secret, 'HS512');
+    }
+
+    /**
+     * 从 token 中解析出 Claims
+     */
+    public function getClaimByToken(string $token): ?object
+    {
+        try {
+            return JWT::decode($token, new Key($this->secret, 'HS512'));
+        } catch (\Exception $e) {
+            error_log('Token 验证失败: ' . $e->getMessage());
+            return null;
+        }
+    }
+
+    /**
+     * 判断 token 是否过期（通过传入的 exp 字段）
+     */
+    public function isTokenExpired(int $exp): bool
+    {
+        return $exp < time();
+    }
+
+    // Getter/Setter
+    public function getSecret(): string
+    {
+        return $this->secret;
+    }
+
+    public function getExpire(): int
+    {
+        return $this->expire;
+    }
+
+    public function getHeader(): string
+    {
+        return $this->header;
+    }
+
+    public function setSecret(string $secret): void
+    {
+        $this->secret = $secret;
+    }
+
+    public function setExpire(int $expire): void
+    {
+        $this->expire = $expire;
+    }
+
+    public function setHeader(string $header): void
+    {
+        $this->header = $header;
+    }
+}