std::string_view 的使用

module/Local_Server/server/MLAT.cpp

@@ -3,10 +3,11 @@
 #include "Global.h"
 
 #include <fstream>
+#include <string_view>
 
-time_t datetime_to_timestamp(const std::string &datetime) {
+time_t datetime_to_timestamp(std::string_view datetime) {
   std::tm tm = {};
-  std::istringstream ss(datetime);
+  std::istringstream ss{std::string(datetime)};
   ss >> std::get_time(&tm, "%Y-%m-%d %H:%M:%S");
   if (ss.fail()) {
     throw std::runtime_error("时间格式错误");