Question

C++老大们请来看看程序 我的程序如下。但是不知道错哪了

分三个文档

/*************Circle.h*****************/

# include <string>
using namespace std ;
class Circle
{
public :
Circle (int) ;
float getArea () ;
const static string code ;
private :
int r ;

} ;
/******************Circle.cpp*************************/

# include "Circle.h"
# include <string>
using namespace std ;
Circle :: Circle (int rc) : r (rc) {}
float Circle :: getArea ()
{
int s ;
s = 3.14 * r * r ;
return s ;
}
const string Circle :: code = "Circle" ;

/*****************main.cpp*************************/

# include "Circle.h"
# include <string>
using namespace std ;
int main ()
{
Circle c (5) ;
return 0 ;
}
/**********************报错***********************/

Circle.cpp(1) : error C2018: unknown character '0xef'
Circle.cpp(1) : error C2018: unknown character '0xbb'
Circle.cpp(1) : error C2018: unknown character '0xbf'
Circle.cpp(1) : error C2014: preprocessor command must start as first nonwhite s
pace
D:\C++\Microsoft Visual Studio\VC98\Include\istream(547) : warning C4530: C++ ex
ception handler used, but unwind semantics are not enabled. Specify -GX
Circle.cpp(7) : error C2653: 'Circle' : is not a class or namespace name
Circle.cpp(7) : error C2550: 'Circle' : constructor initializer lists are only a
llowed on constructor definitions
Circle.cpp(7) : warning C4508: 'Circle' : function should return a value; 'void'
return type assumed
Circle.cpp(9) : error C2653: 'Circle' : is not a class or namespace name
Circle.cpp(15) : error C2065: 'r' : undeclared identifier
Circle.cpp(21) : error C2653: 'Circle' : is not a class or namespace name

Answer 1

没错啊，将程序放到linux系统下：
$g++ main.cpp circle.cpp
直接编译，可以通过并生成可执行文件

你是不是编译的时候没加上circle.cpp

Answer 2

utf-8编码改成asscii。
你还来啊。
要打板子啦