我编译我的项目时出现错误[关闭]答案

【问题标题】：errors when i'm compiling my project [closed]我编译我的项目时出现错误[关闭]
【发布时间】：2016-08-22 01:17:38
【问题描述】：

当我编译我的项目时，我会遇到很多错误：

1>------ Build started: Project: cpp-uri, Configuration: Debug x64 ------
1>  uri_builder.cpp
1>c:\gta-five\multiplayer\vendor\cpp-uri\src\boost/mpl/void.hpp(45): error C2065: 'void_': undeclared identifier
1>c:\gta-five\multiplayer\vendor\cpp-uri\src\boost/mpl/void.hpp(46): error C2923: 'network_boost::mpl::is_void_': 'void_' is not a valid template type argument for parameter 'T'
1>c:\gta-five\multiplayer\vendor\cpp-uri\src\boost/mpl/void.hpp(51): error C2913: explicit specialization; 'network_boost::mpl::is_void_' is not a specialization of a class template
1>c:\gta-five\multiplayer\vendor\cpp-uri\src\boost/mpl/void.hpp(63): error C2065: 'void_': undeclared identifier
1>c:\gta-five\multiplayer\vendor\cpp-uri\src\boost/mpl/void.hpp(64): error C2923: 'network_boost::mpl::is_not_void_': 'void_' is not a valid template type argument for parameter 'T'
1>c:\gta-five\multiplayer\vendor\cpp-uri\src\boost/mpl/void.hpp(69): error C2913: explicit specialization; 'network_boost::mpl::is_not_void_' is not a specialization of a class template
1>c:\gta-five\multiplayer\vendor\cpp-uri\src\boost/mpl/void.hpp(71): error C2913: explicit specialization; 'network_boost::mpl::is_void_' is not a specialization of a class template
1>c:\gta-five\multiplayer\vendor\cpp-uri\src\boost/mpl/void.hpp(71): error C2988: unrecognizable template declaration/definition
1>c:\gta-five\multiplayer\vendor\cpp-uri\src\boost/mpl/void.hpp(71): error C2143: syntax error: missing ';' before '<'
1>c:\gta-five\multiplayer\vendor\cpp-uri\src\boost/mpl/void.hpp(71): error C2059: syntax error: '<'
1>c:\gta-five\multiplayer\vendor\cpp-uri\src\boost/mpl/void.hpp(71): error C2143: syntax error: missing ';' before '{'
1>c:\gta-five\multiplayer\vendor\cpp-uri\src\boost/mpl/void.hpp(71): error C2447: '{': missing function header (old-style formal list?)
1>c:\gta-five\multiplayer\vendor\cpp-uri\src\boost/mpl/void.hpp(72): error C2913: explicit specialization; 'network_boost::mpl::is_not_void_' is not a specialization of a class template
1>c:\gta-five\multiplayer\vendor\cpp-uri\src\boost/mpl/void.hpp(72): error C2977: 'network_boost::mpl::lambda': too many template arguments
1>  c:\gta-five\multiplayer\vendor\cpp-uri\src\boost/mpl/void.hpp(71): note: see declaration of 'network_boost::mpl::lambda'
1>c:\gta-five\multiplayer\vendor\cpp-uri\src\boost/mpl/void.hpp(72): error C3646: 'is_le': unknown override specifier
1>  c:\gta-five\multiplayer\vendor\cpp-uri\src\boost/mpl/void.hpp(72): note: see reference to class template instantiation 'network_boost::mpl::lambda<Tag>' being compiled
1>c:\gta-five\multiplayer\vendor\cpp-uri\src\boost/mpl/void.hpp(72): error C4430: missing type specifier - int assumed. Note: C++ does not support default-int

我必须得到一个 cpp-uri.lib，但我得到一个巨大的错误列表

vs2015 提升 1.58

【问题讨论】：

将其中一封邮件粘贴到 Google 中。我敢打赌你不是第一个遇到这些的人。学习如何让自己摆脱困境是一项关键技能。
没有任何代码示例，很难提供帮助。乍一看，您似乎有语法错误。程序是你写的吗？
@duffymo 抱歉，但我在谷歌上没有找到 :(
我做了：msdn.microsoft.com/en-us/library/0eya6e3a.aspx

标签： c++ boost boost-asio cpp-netlib

【解决方案1】：

以下链接可以帮助您解决此问题， Undeclared identifier (error C2065) in c++

基本上，您似乎没有包含“使用命名空间”或错过了添加一些标题

【讨论】：