1.把非静态成员修改成静态成员。如:static int member;这就不会出错了,但有些不妥 2.将对象作为参数,通过对象名来访问该对象的非静态成员 class a { public: static void FunctionA()//静态成员函数没有隐含的this自变量 { //menber = 1;//error C2597:对非静态成员"a::member"的非法引用 //printValue(...
错误1 error LNK2001: 无法解析的外部符号 "public: static class stdext::hash_map<class ATL::CStringT<wchar_t,class StrTraitMFC_DLL<wchar_t,class ATL::ChTraitsCRT<wchar_t> > >,class CUser *,class CString_hash_compare,class std::allocator<struct std::pair<class ATL::CStringT<wchar_t,class...
public: static int a; }; static int aclass::a=0; //初始化 void main() { int amain=0; amain=aclass::a; //使用,无需定义相关类的变量而直接使用之。 } 对于静态常量整型可以在类中初始化,另外对于常量则必须在构造函数成员初始式列表里初始化。 #include <iostream> using namespace std; class...
准确的说应该是链接问题。就是能找到.h中的函数声明,但是链接时找不到.cpp中的函数体。
error LNK2001:无法解析的外部符号 "public: static class std::basic_fstream<char,struct std::char_traits<char> > 2015-04-04 19:02 − the reason of this problem is that:static成员必须在类外初始化,(除非是静态整型常量可以直接声明的时候初始化)静态成员函数只能访问静态数据成员、静态成员函数和类...
C++static变量出现⽆法解析的外部符号:public:static的问题转⾃:在头⽂件中定以后,应在类的⽣命之外,重新定义⼀次。1class A 2 { 3public:4void print()5 { 6 cout<<"a = "<<a<<'\n'<<"b = "<<b<<endl;7 cout<<"str = "<<str<<endl;8 cout<<"de = "<<de<<endl;9 }...
Microsoft Viva Connections desktop was formerly known as the Home site app, which combines the power of your intelligent SharePoint intranet with chat and collaboration tools in Microsoft Teams. Accoring to your description, your question is related to the MFC development, which is not in our ...
ProjectWin.obj👎 error: LNK2001: 无法解析的外部符号 “private: static class ProjectWin * ProjectWin::m_pInstance” (?m_pInstance@ProjectWin@@0PEAV1@EA) debug\ImageManageSys.exe👎 error: LNK1120: 1 个无法解析的外部命令 一、单例模式是什么?
LNK2001: 无法解析的外部符号 "public: static struct QMetaObject const XXX::staticMetaObject" (?staticMetaObject@XXX@@2UQMetaObject@@B) 其中“xxx”是你的插件类,比方我的插件类名称是:MonitorTopologyForm 原因 自己插件类中没有声明:Q_DECLARE_INTERFACE 宏 ...
{double s=width*length;cout<<"面积是:"<<s<<endl;return s;} 问题2: 静态变量一定要赋初值 static int x;修改后的: 我都标记出来了 include<iostream> using namespace std;class Rectangle { public:Rectangle(double a,double b){length=a;width=b;Rectangle::x++;cout<<x<<endl;...