加入token时间验证

gateway/inc/LocalTime.hpp

@@ -0,0 +1,67 @@
+#include <chrono>
+#include <string>
+#include <format>
+#include <optional>
+#include <sstream>
+namespace qing {
+
+class LocalTime {
+public:
+    // 获取当前本地时间字符串
+    static std::string getCurrent(const std::string& format = "%Y-%m-%d %H:%M:%S") {
+        using namespace std::chrono;
+        auto now = system_clock::now();
+        auto zone = current_zone();
+        zoned_time zt{zone, now};
+        return std::vformat(format, std::make_format_args(zt));
+    }
+
+    // 解析时间字符串为 system_clock::time_point（本地时间 → UTC）
+    static std::optional<std::chrono::system_clock::time_point> parse(
+        const std::string& str,
+        const std::string& format = "%Y-%m-%d %H:%M:%S"
+    ) {
+        using namespace std::chrono;
+        std::istringstream iss{str};
+        local_time<seconds> lt;
+        iss >> std::chrono::parse(format, lt);   // ✅ 修复
+        if (iss.fail()) {
+            return std::nullopt;
+        }
+        auto zone = current_zone();
+        zoned_time zt{zone, lt};
+        return zt.get_sys_time();
+    }
+
+    // ----- 过期判断 -----
+    static bool isExpired(const std::chrono::system_clock::time_point& tp) {
+        using namespace std::chrono;
+        return system_clock::now() > tp;
+    }
+
+    template <typename Rep, typename Period>
+    static bool isExpired(const std::chrono::system_clock::time_point& tp,
+                          const std::chrono::duration<Rep, Period>& gracePeriod) {
+        using namespace std::chrono;
+        return system_clock::now() > tp + gracePeriod;
+    }
+
+    static bool isExpired(const std::string& timeStr,
+                          const std::string& format = "%Y-%m-%d %H:%M:%S") {
+        auto parsed = parse(timeStr, format);
+        if (!parsed) return true;
+        return isExpired(*parsed);
+    }
+
+    template <typename Rep, typename Period>
+    static bool isExpired(const std::string& timeStr,
+                          const std::chrono::duration<Rep, Period>& gracePeriod,
+                          const std::string& format = "%Y-%m-%d %H:%M:%S") {
+        auto parsed = parse(timeStr, format);
+        if (!parsed) return true;
+        return isExpired(*parsed, gracePeriod);
+    }
+};
+
+
+}