fix compilation error on windows.

Author: treefrogframework

src/tglobal.h

@@ -256,7 +256,7 @@ constexpr auto WriteOnly = QIODeviceBase::WriteOnly;
 #include <cstring>
 #include <functional>
 #include <algorithm>
-#if __cplusplus >= 202002L && __has_include(<format>)
+#if defined(__cpp_lib_format)  // std::format
 # include <format>
 #endif
 
@@ -300,7 +300,7 @@ inline bool strcmp(const QByteArray &str1, const QByteArray &str2)
     return str1.length() == str2.length() && !std::strncmp(str1.data(), str2.data(), str1.length());
 }
 
-#if __cplusplus >= 202002L && __has_include(<format>)
+#if defined(__cpp_lib_format)  // std::format
 
 // Logging for developer
 template<typename... Args>

src/tsystemglobal.h

@@ -3,10 +3,6 @@
 #include <QSettings>
 #include <QVariant>
 #include <TGlobal>
-#if __cplusplus >= 202002L && __has_include(<format>)
-#include <format>
-#endif
-#include <tuple>
 
 class TSystemLogger;
 class TAccessLog;
@@ -25,7 +21,7 @@ T_CORE_EXPORT void writeAccessLog(const TAccessLog &log);  // write access log
 T_CORE_EXPORT void writeQueryLog(const QString &query, bool success, const QSqlError &error, int duration);
 T_CORE_EXPORT void traceQuery(int duration, const std::string &msg);
 
-#if __cplusplus >= 202002L && __has_include(<format>)
+#if defined(__cpp_lib_format)  // std::format
 
 template<typename... Args>
 void traceQueryLog(int duration, const std::format_string<Args...> &fmt, Args&&... args)
@@ -57,7 +53,7 @@ enum SystemOpCode {
 T_CORE_EXPORT QMap<QString, QVariant> settingsToMap(QSettings &settings, const QString &env = QString());
 }
 
-#if __cplusplus >= 202002L && __has_include(<format>)
+#if defined(__cpp_lib_format)  // std::format
 
 template<typename... Args>
 void tSystemError(const std::format_string<Args...> &fmt, Args&&... args)
@@ -105,8 +101,8 @@ void tSystemInfo(const std::string &fmt, Args&&... args)
 
 #endif
 
-#if !defined(TF_NO_DEBUG)
-#if __cplusplus >= 202002L && __has_include(<format>)
+#ifndef TF_NO_DEBUG
+#if defined(__cpp_lib_format)  // std::format
 
 template<typename... Args>
 void tSystemDebug(const std::format_string<Args...> &fmt, Args&&... args)