int main()
{
 setlocale( LC_ALL, ".437" ); //设置编码区域
 SetConsoleOutputCP(437);     //设置输出代码页
 char *a ="123";
 char b[4];
 b[0] = ~a[0];
 b[1]=~a[1];
 b[2] = ~a[2];
 b[3]='\0';
 string str=b;
 str =str+"'";
 cout<<str<<endl;

 cout<<b[0]<<"  "<<b[1]<<"  "<<b[2]<<endl;
 cout<<b<<endl;
 cout<<GetConsoleOutputCP();   //得到输出代码页
 getchar();
 return 1;
}