而locale参数则指定了特定的本地化信息。这通常采用语言编码(例如"en_US.utf8")或特殊字符串"C"来表示默认设置。 使用示例: #include<iostream> #include<clocale> intmain(){ std::setlocale(LC_ALL,"");// 根据环境变量设置区域和语言环境 // 使用已设置的本地化信息 std::cout<<"当前本地化信息:"<...
Pointer to a narrow null-terminated string identifying the C locale after applying the changes, if any, or null pointer on failure. A copy of the returned string along with the category used in this call tostd::setlocalemay be used later in the program to restore the locale back to the ...