68 lines
2.2 KiB
C++
68 lines
2.2 KiB
C++
#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);
|
||
}
|
||
};
|
||
|
||
|
||
}
|