vs2010未声明的标识符
// myfirst.cpp--displays a message
#include <stdafx.h> // a PREPROCESSOR directive
int main() // function header
{ // start of function body
using namespace std; // make definitions visible
cout << "Come up and C++ me some time."; // message
cout << endl; // start a new line
cout << "You won't regret it!" << endl; // more output
// If the output window closes before you can read it,
// add the following code:
// cout << "Press any key to continue." <<endl;
// cin.get();
return 0; // terminate main()
} // end of function body
1>------ 已启动生成: 项目: ConsoleApplication9, 配置: Debug Win32 ------
1> ConsoleApplication9.cpp
1>c:\users\time\documents\visual studio 2012\projects\consoleapplication9\consoleapplication9\consoleapplication9.cpp(7): error C2065: “cout”: 未声明的标识符
1>c:\users\time\documents\visual studio 2012\projects\consoleapplication9\consoleapplication9\consoleapplication9.cpp(8): error C2065: “cout”: 未声明的标识符
1>c:\users\time\documents\visual studio 2012\projects\consoleapplication9\consoleapplication9\consoleapplication9.cpp(8): error C2065: “endl”: 未声明的标识符
1>c:\users\time\documents\visual studio 2012\projects\consoleapplication9\consoleapplication9\consoleapplication9.cpp(9): error C2065: “cout”: 未声明的标识符
1>c:\users\time\documents\visual studio 2012\projects\consoleapplication9\consoleapplication9\consoleapplication9.cpp(9): error C2065: “endl”: 未声明的标识符
========== 生成: 成功 0 个,失败 1 个,最新 0 个,跳过 0 个 ==========
大家怎么看?