嗨，我是C++的初学者，我有一个带有静态方法的类，但我无法访问它们，它会抛出一个错误1>------Buildstarted:Project:CPractice,Configuration:DebugWin32------1>Source.cpp1>Source.obj:errorLNK2001:unresolvedexternalsymbol"private:staticclassstd::basic_string,classstd::allocator>CPractice::name"(?name@CPractice@@0V?$basic_string@DU?$char_trait