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带有类指针的 C++ 映射在编译时出错

转载 作者:行者123 更新时间:2023-11-30 02:56:30 25 4
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我有一个包含字符串和类指针的映射。我来自 JAVA,所以请指导我。

class Client {

public:
static map<string, Client*> CLIENTS;
Client(string dir);
static Client* get_client(string name);
virtual ~Client();
};

我的 get_client 方法是

Client* Client::get_client(string name) {
map<string, Client*>::iterator it = CLIENTS.find(name);
}

给我下面的错误

Undefined symbols for architecture x86_64:
"Client::CLIENTS", referenced from:
Client::get_client(std::basic_string<char, std::char_traits<char>, std::allocator<char> >)in client.o
ld: symbol(s) not found for architecture x86_64
collect2: ld returned 1 exit status

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