为什么这个程序不能在VC++2008Express中编译？

Why doesn't this program compile in VC++2008Express?

本文关键字：VC++2008Express 编译 不能 程序 为什么      更新时间：2023-10-16

此程序可在tc++ 3.0上编译和运行。

为什么这个程序不能在vc++ 2008Express中编译?

#include <iostream>
using namespace std;
class MyClass
{
private:
    class MyNestedClass
    {
    private:
        int myInteger;
    public:
        MyNestedClass(int a)
        {
            myInteger = a;
        }
        void Show()
        {
            cout<<myInteger;
        }
    };
};
int main()
{
    MyClass::MyNestedClass myNestedClassObject(100);
    myNestedClassObject.Show();
}

显示以下消息:

1>------ Rebuild All started: Project: Test, Configuration: Debug Win32 ------
1>Deleting intermediate and output files for project 'Test', configuration 'Debug|Win32'
1>Compiling...
1>Static_Data_Member.c
1>c:program filesmicrosoft visual studio 9.0vcincludecstdio(39) : error C2143: syntax error : missing '{' before ':'
1>c:program filesmicrosoft visual studio 9.0vcincludecstdio(39) : error C2059: syntax error : ':'
1>c:program filesmicrosoft visual studio 9.0vcincludecstdio(41) : error C2143: syntax error : missing '{' before ':'
1>c:program filesmicrosoft visual studio 9.0vcincludecstdio(41) : error C2059: syntax error : ':'
1>c:program filesmicrosoft visual studio 9.0vcincludecstdio(41) : error C2143: syntax error : missing '{' before ':'
1>c:program filesmicrosoft visual studio 9.0vcincludecstdio(41) : error C2059: syntax error : ':'
1>c:program filesmicrosoft visual studio 9.0vcincludecstdio(41) : error C2143: syntax error : missing '{' before ':'
1>c:program filesmicrosoft visual studio 9.0vcincludecstdio(41) : error C2059: syntax error : ':'
1>c:program filesmicrosoft visual studio 9.0vcincludecstdio(42) : error C2143: syntax error : missing '{' before ':'
1>c:program filesmicrosoft visual studio 9.0vcincludecstdio(42) : error C2059: syntax error : ':'
1>c:program filesmicrosoft visual studio 9.0vcincludecstdio(42) : error C2143: syntax error : missing '{' before ':'
1>c:program filesmicrosoft visual studio 9.0vcincludecstdio(42) : error C2059: syntax error : ':'
1>c:program filesmicrosoft visual studio 9.0vcincludecstdio(42) : error C2143: syntax error : missing '{' before ':'
1>c:program filesmicrosoft visual studio 9.0vcincludecstdio(42) : error C2059: syntax error : ':'
1>c:program filesmicrosoft visual studio 9.0vcincludecstdio(43) : error C2143: syntax error : missing '{' before ':'
1>c:program filesmicrosoft visual studio 9.0vcincludecstdio(43) : error C2059: syntax error : ':'
1>c:program filesmicrosoft visual studio 9.0vcincludecstdio(43) : error C2143: syntax error : missing '{' before ':'
1>c:program filesmicrosoft visual studio 9.0vcincludecstdio(43) : error C2059: syntax error : ':'
1>c:program filesmicrosoft visual studio 9.0vcincludecstdio(43) : error C2143: syntax error : missing '{' before ':'
1>c:program filesmicrosoft visual studio 9.0vcincludecstdio(43) : error C2059: syntax error : ':'
1>c:program filesmicrosoft visual studio 9.0vcincludecstdio(44) : error C2143: syntax error : missing '{' before ':'
1>c:program filesmicrosoft visual studio 9.0vcincludecstdio(44) : error C2059: syntax error : ':'
1>c:program filesmicrosoft visual studio 9.0vcincludecstdio(44) : error C2143: syntax error : missing '{' before ':'
1>c:program filesmicrosoft visual studio 9.0vcincludecstdio(44) : error C2059: syntax error : ':'
1>c:program filesmicrosoft visual studio 9.0vcincludecstdio(44) : error C2143: syntax error : missing '{' before ':'
1>c:program filesmicrosoft visual studio 9.0vcincludecstdio(44) : error C2059: syntax error : ':'
1>c:program filesmicrosoft visual studio 9.0vcincludecstdio(45) : error C2143: syntax error : missing '{' before ':'
1>c:program filesmicrosoft visual studio 9.0vcincludecstdio(45) : error C2059: syntax error : ':'
1>c:program filesmicrosoft visual studio 9.0vcincludecstdio(45) : error C2143: syntax error : missing '{' before ':'
1>c:program filesmicrosoft visual studio 9.0vcincludecstdio(45) : error C2059: syntax error : ':'
1>c:program filesmicrosoft visual studio 9.0vcincludecstdio(45) : error C2143: syntax error : missing '{' before ':'
1>c:program filesmicrosoft visual studio 9.0vcincludecstdio(45) : error C2059: syntax error : ':'
1>c:program filesmicrosoft visual studio 9.0vcincludecstdio(46) : error C2143: syntax error : missing '{' before ':'
1>c:program filesmicrosoft visual studio 9.0vcincludecstdio(46) : error C2059: syntax error : ':'
1>c:program filesmicrosoft visual studio 9.0vcincludecstdio(46) : error C2143: syntax error : missing '{' before ':'
1>c:program filesmicrosoft visual studio 9.0vcincludecstdio(46) : error C2059: syntax error : ':'
1>c:program filesmicrosoft visual studio 9.0vcincludecstdio(46) : error C2143: syntax error : missing '{' before ':'
1>c:program filesmicrosoft visual studio 9.0vcincludecstdio(46) : error C2059: syntax error : ':'
1>c:program filesmicrosoft visual studio 9.0vcincludecstdio(47) : error C2143: syntax error : missing '{' before ':'
1>c:program filesmicrosoft visual studio 9.0vcincludecstdio(47) : error C2059: syntax error : ':'
1>c:program filesmicrosoft visual studio 9.0vcincludecstdio(47) : error C2143: syntax error : missing '{' before ':'
1>c:program filesmicrosoft visual studio 9.0vcincludecstdio(47) : error C2059: syntax error : ':'
1>c:program filesmicrosoft visual studio 9.0vcincludecstdio(47) : error C2143: syntax error : missing '{' before ':'
1>c:program filesmicrosoft visual studio 9.0vcincludecstdio(47) : error C2059: syntax error : ':'
1>c:program filesmicrosoft visual studio 9.0vcincludecstdio(48) : error C2143: syntax error : missing '{' before ':'
1>c:program filesmicrosoft visual studio 9.0vcincludecstdio(48) : error C2059: syntax error : ':'
1>c:program filesmicrosoft visual studio 9.0vcincludecstdio(48) : error C2143: syntax error : missing '{' before ':'
1>c:program filesmicrosoft visual studio 9.0vcincludecstdio(48) : error C2059: syntax error : ':'
1>c:program filesmicrosoft visual studio 9.0vcincludecstdio(48) : error C2143: syntax error : missing '{' before ':'
1>c:program filesmicrosoft visual studio 9.0vcincludecstdio(48) : error C2059: syntax error : ':'
1>c:program filesmicrosoft visual studio 9.0vcincludecstdio(49) : error C2143: syntax error : missing '{' before ':'
1>c:program filesmicrosoft visual studio 9.0vcincludecstdio(49) : error C2059: syntax error : ':'
1>c:program filesmicrosoft visual studio 9.0vcincludecstdio(49) : error C2143: syntax error : missing '{' before ':'
1>c:program filesmicrosoft visual studio 9.0vcincludecstdio(49) : error C2059: syntax error : ':'
1>c:program filesmicrosoft visual studio 9.0vcincludecstdio(50) : error C2143: syntax error : missing '{' before ':'
1>c:program filesmicrosoft visual studio 9.0vcincludecstdio(50) : error C2059: syntax error : ':'
1>c:program filesmicrosoft visual studio 9.0vcincludecstdio(50) : error C2143: syntax error : missing '{' before ':'
1>c:program filesmicrosoft visual studio 9.0vcincludecstdio(50) : error C2059: syntax error : ':'
1>c:program filesmicrosoft visual studio 9.0vcincludecstdio(51) : error C2143: syntax error : missing '{' before ':'
1>c:program filesmicrosoft visual studio 9.0vcincludecstdio(51) : error C2059: syntax error : ':'
1>c:program filesmicrosoft visual studio 9.0vcincludecstdio(51) : error C2143: syntax error : missing '{' before ':'
1>c:program filesmicrosoft visual studio 9.0vcincludecstdio(51) : error C2059: syntax error : ':'
1>c:program filesmicrosoft visual studio 9.0vcincludecstdio(51) : error C2143: syntax error : missing '{' before ':'
1>c:program filesmicrosoft visual studio 9.0vcincludecstdio(51) : error C2059: syntax error : ':'
1>c:program filesmicrosoft visual studio 9.0vcincludecstdio(52) : error C2143: syntax error : missing '{' before ':'
1>c:program filesmicrosoft visual studio 9.0vcincludecstdio(52) : error C2059: syntax error : ':'
1>c:program filesmicrosoft visual studio 9.0vcincludecstdio(52) : error C2143: syntax error : missing '{' before ':'
1>c:program filesmicrosoft visual studio 9.0vcincludecstdio(52) : error C2059: syntax error : ':'
1>c:program filesmicrosoft visual studio 9.0vcincludecstdio(52) : error C2143: syntax error : missing '{' before ':'
1>c:program filesmicrosoft visual studio 9.0vcincludecstdio(52) : error C2059: syntax error : ':'
1>c:program filesmicrosoft visual studio 9.0vcincludecstdio(53) : error C2143: syntax error : missing '{' before ':'
1>c:program filesmicrosoft visual studio 9.0vcincludecstdio(53) : error C2059: syntax error : ':'
1>c:program filesmicrosoft visual studio 9.0vcincludecstdio(53) : error C2143: syntax error : missing '{' before ':'
1>c:program filesmicrosoft visual studio 9.0vcincludecstdio(53) : error C2059: syntax error : ':'
1>c:program filesmicrosoft visual studio 9.0vcincludecstdio(53) : error C2143: syntax error : missing '{' before ':'
1>c:program filesmicrosoft visual studio 9.0vcincludecstdio(53) : error C2059: syntax error : ':'
1>c:program filesmicrosoft visual studio 9.0vcincludecstdio(54) : error C2143: syntax error : missing '{' before ':'
1>c:program filesmicrosoft visual studio 9.0vcincludecstdio(54) : error C2059: syntax error : ':'
1>c:program filesmicrosoft visual studio 9.0vcincludecstdio(54) : error C2143: syntax error : missing '{' before ':'
1>c:program filesmicrosoft visual studio 9.0vcincludecstdio(54) : error C2059: syntax error : ':'
1>c:program filesmicrosoft visual studio 9.0vcincludecstdio(54) : error C2143: syntax error : missing '{' before ':'
1>c:program filesmicrosoft visual studio 9.0vcincludecstdio(54) : error C2059: syntax error : ':'
1>c:program filesmicrosoft visual studio 9.0vcincludecstdio(55) : error C2143: syntax error : missing '{' before ':'
1>c:program filesmicrosoft visual studio 9.0vcincludecstdio(55) : error C2059: syntax error : ':'
1>c:program filesmicrosoft visual studio 9.0vcincludecstdio(55) : error C2143: syntax error : missing '{' before ':'
1>c:program filesmicrosoft visual studio 9.0vcincludecstdio(55) : error C2059: syntax error : ':'
1>c:program filesmicrosoft visual studio 9.0vcincludecstdio(55) : error C2143: syntax error : missing '{' before ':'
1>c:program filesmicrosoft visual studio 9.0vcincludecstdio(55) : error C2059: syntax error : ':'
1>c:program filesmicrosoft visual studio 9.0vcincludecstdio(56) : error C2143: syntax error : missing '{' before ':'
1>c:program filesmicrosoft visual studio 9.0vcincludecstdio(56) : error C2059: syntax error : ':'
1>c:program filesmicrosoft visual studio 9.0vcincludecstdlib(21) : error C2143: syntax error : missing '{' before ':'
1>c:program filesmicrosoft visual studio 9.0vcincludecstdlib(21) : error C2059: syntax error : ':'
1>c:program filesmicrosoft visual studio 9.0vcincludecstdlib(21) : error C2143: syntax error : missing '{' before ':'
1>c:program filesmicrosoft visual studio 9.0vcincludecstdlib(21) : error C2059: syntax error : ':'
1>c:program filesmicrosoft visual studio 9.0vcincludecstdlib(21) : error C2143: syntax error : missing '{' before ':'
1>c:program filesmicrosoft visual studio 9.0vcincludecstdlib(21) : error C2059: syntax error : ':'
1>c:program filesmicrosoft visual studio 9.0vcincludecstdlib(23) : error C2143: syntax error : missing '{' before ':'
1>c:program filesmicrosoft visual studio 9.0vcincludecstdlib(23) : error C2059: syntax error : ':'
1>c:program filesmicrosoft visual studio 9.0vcincludecstdlib(23) : error C2143: syntax error : missing '{' before ':'
1>c:program filesmicrosoft visual studio 9.0vcincludecstdlib(23) : error C2059: syntax error : ':'
1>c:program filesmicrosoft visual studio 9.0vcincludecstdlib(23) : error C2143: syntax error : missing '{' before ':'
1>c:program filesmicrosoft visual studio 9.0vcincludecstdlib(23) : fatal error C1003: error count exceeds 100; stopping compilation
1>Build log was saved at "file://h:TestDebugBuildLog.htm"
1>Test - 102 error(s), 0 warning(s)
========== Rebuild All: 0 succeeded, 1 failed, 0 skipped ==========

这是一个c++程序，但是你给源文件的扩展名为。C。

默认情况下，Visual c++编译器将。C文件编译为C文件。使用。cpp扩展名或使用/TP标志编译可将源文件编译为c++。

然而，即使将源代码编译为c++，程序仍然无效。MyNestedClass是MyClass的私有成员类型，所以不能在main()中构造它的实例。

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