《C++ Primer 中文版（第 5 版）》1.2

2021-01-09 14:34:53 阅读：254 来源： 互联网

标签：Files Primer x86 1.2 C++ Program Studio 2017 include

一个使用IO库的程序

#include "iostream"
#include "istream"
int main(){
    std::cout << "Enter two numbers:" << std::endl;
    int v1=0, v2=0;
    std::cin >> v1 >> v2;
    std::cout <<"The sum of" << v1 << " and " << v2
            <<" is " <<v1 +v2 <<std::endl;
    return 0;
}

因包含了<iostream>，报以下错误：

fatal error C1034: iostream: 不包括路径集

根据提示，应在环境变量中的系统变量中增加“include”项，以使代码能找到iostream，include的值为

D:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\include

C:\Program Files (x86)\Windows Kits\10\Include\10.0.10240.0\ucrt

但这样会产生以下错误：

D:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\include\cstdlib(19): error C2061: 语法错误: 标识符“noexcept”
D:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\include\cstdlib(19): error C2059: 语法错误:“;”
D:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\include\cstdlib(20): error C2449: 在文件范围内找到“{”(是否缺少函数头?)
D:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\include\cstdlib(22): error C2059: 语法错误:“}”
D:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\include\cstdlib(29): error C2061: 语法错误: 标识符“noexcept”
D:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\include\cstdlib(29): error C2059: 语法错误:“;”
D:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\include\cstdlib(30): error C2449: 在文件范围内找到“{”(是否缺少函数头?)
D:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\include\cstdlib(32): error C2059: 语法错误:“}”
D:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\include\cmath(17): error C2061: 语法错误: 标识符“noexcept”
D:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\include\cmath(17): error C2059: 语法错误:“;”
D:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\include\cmath(18): error C2449: 在文件范围内找到“{”(是否缺少函数头?)
D:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\include\cmath(23): error C2059: 语法错误:“}”
D:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\include\cmath(30): error C2061: 语法错误: 标识符“noexcept”
D:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\include\cmath(30): error C2059: 语法错误:“;”
D:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\include\cmath(31): error C2449: 在文件范围内找到“{”(是否缺少函数头?)
D:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\include\cmath(33): error C2059: 语法错误:“}”
D:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\include\cmath(40): error C2061: 语法错误: 标识符“noexcept”
D:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\include\cmath(40): error C2059: 语法错误:“;”
D:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\include\cmath(41): error C2449: 在文件范围内找到“{”(是否缺少函数头?)
D:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\include\cmath(43): error C2059: 语法错误:“}”
D:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\include\cmath(50): error C2061: 语法错误: 标识符“noexcept”
D:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\include\cmath(50): error C2059: 语法错误:“;”
D:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\include\cmath(51): error C2449: 在文件范围内找到“{”(是否缺少函数头?)
D:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\include\cmath(53): error C2059: 语法错误:“}”
D:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\include\cmath(60): error C2061: 语法错误: 标识符“noexcept”
D:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\include\cmath(60): error C2059: 语法错误:“;”
D:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\include\cmath(61): error C2449: 在文件范围内找到“{”(是否缺少函数头?)
D:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\include\cmath(63): error C2059: 语法错误:“}”
D:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\include\cmath(71): error C2061: 语法错误: 标识符“noexcept”
D:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\include\cmath(71): error C2059: 语法错误:“;”
D:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\include\cmath(72): error C2449: 在文件范围内找到“{”(是否缺少函数头?)
D:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\include\cmath(74): error C2059: 语法错误:“}”
D:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\include\cmath(81): error C2061: 语法错误: 标识符“noexcept”
D:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\include\cmath(81): error C2059: 语法错误:“;”
D:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\include\cmath(82): error C2449: 在文件范围内找到“{”(是否缺少函数头?)
D:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\include\cmath(84): error C2059: 语法错误:“}”
D:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\include\cmath(91): error C2061: 语法错误: 标识符“noexcept”
D:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\include\cmath(91): error C2059: 语法错误:“;”
D:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\include\cmath(92): error C2449: 在文件范围内找到“{”(是否缺少函数头?)
D:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\include\cmath(94): error C2059: 语法错误:“}”
D:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\include\cmath(101): error C2061: 语法错误: 标识符“noexcept”
D:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\include\cmath(101): error C2059: 语法错误:“;”
D:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\include\cmath(102): error C2449: 在文件范围内找到“{”(是否缺少函数头?)
D:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\include\cmath(104): error C2059: 语法错误:“}”
D:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\include\cmath(111): error C2061: 语法错误: 标识符“noexcept”
D:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\include\cmath(111): error C2059: 语法错误:“;”
D:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\include\cmath(112): error C2449: 在文件范围内找到“{”(是否缺少函数头?)
D:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\include\cmath(114): error C2059: 语法错误:“}”
D:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\include\cmath(121): error C2061: 语法错误: 标识符“noexcept”
D:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\include\cmath(121): error C2059: 语法错误:“;”
D:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\include\cmath(122): error C2449: 在文件范围内找到“{”(是否缺少函数头?)
D:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\include\cmath(124): error C2059: 语法错误:“}”
D:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\include\cmath(132): error C2061: 语法错误: 标识符“noexcept”
D:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\include\cmath(132): error C2059: 语法错误:“;”
D:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\include\cmath(133): error C2449: 在文件范围内找到“{”(是否缺少函数头?)
D:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\include\cmath(135): error C2059: 语法错误:“}”
D:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\include\cmath(142): error C2061: 语法错误: 标识符“noexcept”
D:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\include\cmath(142): error C2059: 语法错误:“;”
D:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\include\cmath(143): error C2449: 在文件范围内找到“{”(是否缺少函数头?)
D:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\include\cmath(145): error C2059: 语法错误:“}”
D:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\include\cmath(152): error C2061: 语法错误: 标识符“noexcept”
D:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\include\cmath(152): error C2059: 语法错误:“;”
D:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\include\cmath(153): error C2449: 在文件范围内找到“{”(是否缺少函数头?)
D:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\include\cmath(155): error C2059: 语法错误:“}”
D:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\include\cmath(162): error C2061: 语法错误: 标识符“noexcept”
D:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\include\cmath(162): error C2059: 语法错误:“;”
D:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\include\cmath(163): error C2449: 在文件范围内找到“{”(是否缺少函数头?)
D:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\include\cmath(165): error C2059: 语法错误:“}”
D:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\include\cmath(172): error C2061: 语法错误: 标识符“noexcept”
D:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\include\cmath(172): error C2059: 语法错误:“;”
D:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\include\cmath(173): error C2449: 在文件范围内找到“{”(是否缺少函数头?)
D:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\include\cmath(175): error C2059: 语法错误:“}”
D:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\include\cmath(182): error C2061: 语法错误: 标识符“noexcept”
D:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\include\cmath(182): error C2059: 语法错误:“;”
D:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\include\cmath(183): error C2449: 在文件范围内找到“{”(是否缺少函数头?)
D:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\include\cmath(185): error C2059: 语法错误:“}”
D:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\include\cmath(192): error C2061: 语法错误: 标识符“noexcept”
D:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\include\cmath(192): error C2059: 语法错误:“;”
D:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\include\cmath(193): error C2449: 在文件范围内找到“{”(是否缺少函数头?)
D:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\include\cmath(195): error C2059: 语法错误:“}”
D:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\include\cmath(202): error C2061: 语法错误: 标识符“noexcept”
D:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\include\cmath(202): error C2059: 语法错误:“;”
D:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\include\cmath(203): error C2449: 在文件范围内找到“{”(是否缺少函数头?)
D:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\include\cmath(205): error C2059: 语法错误:“}”
D:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\include\cmath(212): error C2061: 语法错误: 标识符“noexcept”
D:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\include\cmath(212): error C2059: 语法错误:“;”
D:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\include\cmath(213): error C2449: 在文件范围内找到“{”(是否缺少函数头?)
D:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\include\cmath(215): error C2059: 语法错误:“}”
D:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\include\cmath(222): error C2061: 语法错误: 标识符“noexcept”
D:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\include\cmath(222): error C2059: 语法错误:“;”
D:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\include\cmath(223): error C2449: 在文件范围内找到“{”(是否缺少函数头?)
D:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\include\cmath(225): error C2059: 语法错误:“}”
D:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\include\cmath(233): error C2061: 语法错误: 标识符“noexcept”
D:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\include\cmath(233): error C2059: 语法错误:“;”
D:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\include\cmath(234): error C2449: 在文件范围内找到“{”(是否缺少函数头?)
D:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\include\cmath(236): error C2059: 语法错误:“}”
D:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\include\cmath(244): error C2061: 语法错误: 标识符“noexcept”
D:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\include\cmath(244): error C2059: 语法错误:“;”
D:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\include\cmath(245): error C2449: 在文件范围内找到“{”(是否缺少函数头?)
D:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\include\cmath(250): error C2059: 语法错误:“}”
D:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\include\cmath(258): error C2061: 语法错误: 标识符“noexcept”
D:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\include\cmath(258): fatal error C1003: 错误计数超过 100；正在停止编译

根据https://blog.csdn.net/dawang_789/article/details/108104838此文章的提示，是因为VS是C++，不是C，扩展名应当是cpp，把文件名改成cpp，就好了。

标签：Files,Primer,x86,1.2,C++,Program,Studio,2017,include
来源： https://www.cnblogs.com/Sabre/p/14254862.html

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《C++ Primer 中文版（第 5 版）》1.2