我又一次在与MSBuild作斗争。我想要定义一个带有根路径的属性值。作为构建的一部分,该路径将会被版本信息更新。然而,MSBuild似乎有其自己的作用域规则,这些规则似乎完全相反。看看这个第一个例子:
<?xml version="1.0" encoding="utf-8"?>
<Project xmlns="http://schemas.microsoft.com/developer/msbuild/2003" ToolsVersion="3.5">
<PropertyGroup>
<MyPath>\\server\folder</MyPath>
</PropertyGroup>
<Target Name="Main">
<Message Text="In Main Before - MyPath = $(MyPath)"/>
<CallTarget Targets="Task1" />
<CallTarget Targets="Task2" />
<CallTarget Targets="Task3" />
<Message Text="In Main After - MyPath = $(MyPath)"/>
</Target>
<Target Name="Task1">
<PropertyGroup>
<MyPath>$(MyPath)\version5</MyPath>
</PropertyGroup>
<Message Text="In Task1 - MyPath = $(MyPath)"/>
</Target>
<Target Name="Task2">
<Message Text="In Task2 - MyPath = $(MyPath)"/>
</Target>
<Target Name="Task3">
<Message Text="In Task3 - MyPath = $(MyPath)"/>
</Target>
</Project>
使用以下命令行得到输出结果:msbuild PropertyScopeTest1.proj /target:Main
Project "C:\Temp\PropertyScopeTest1.proj" on node 1 (Main target(s)).
Main:
In Main Before - MyPath = \\server\folder
Task1:
In Task1 - MyPath = \\server\folder\version5
Task2:
In Task2 - MyPath = \\server\folder\version5
Task3:
In Task3 - MyPath = \\server\folder\version5
Main:
In Main After - MyPath = \\server\folder
Done Building Project "C:\Temp\PropertyScopeTest1.proj" (Main target(s)).
现在,这是一个稍微不同的版本,在Main目标中设置了MyPath变量:
<?xml version="1.0" encoding="utf-8"?>
<Project xmlns="http://schemas.microsoft.com/developer/msbuild/2003" ToolsVersion="3.5">
<PropertyGroup>
<MyPath>\\server\path</MyPath>
</PropertyGroup>
<Target Name="Main">
<Message Text="In Main Before - MyPath = $(MyPath)"/>
<PropertyGroup>
<MyPath>$(MyPath)\version5</MyPath>
</PropertyGroup>
<Message Text="In Main After PropertyGroup - MyPath = $(MyPath)"/>
<CallTarget Targets="Task1" />
<CallTarget Targets="Task2" />
<CallTarget Targets="Task3" />
<Message Text="In Main After - MyPath = $(MyPath)"/>
</Target>
<Target Name="Task1">
<Message Text="In Task1 - MyPath = $(MyPath)"/>
</Target>
<Target Name="Task2">
<Message Text="In Task2 - MyPath = $(MyPath)"/>
</Target>
<Target Name="Task3">
<Message Text="In Task3 - MyPath = $(MyPath)"/>
</Target>
</Project>
使用以下命令行可以获得这个输出:msbuild PropertyScopeTest2.proj /target:Main
Project "C:\Temp\PropertyScopeTest2.proj" on node 1 (Main target(s)).
Main:
In Main Before - MyPath = \\server\path
In Main After PropertyGroup - MyPath = \\server\path\version5
Task1:
In Task1 - MyPath = \\server\path
Task2:
In Task2 - MyPath = \\server\path
Task3:
In Task3 - MyPath = \\server\path
Main:
In Main After - MyPath = \\server\path\version5
Done Building Project "C:\Temp\PropertyScopeTest2.proj" (Main target(s)).
我查看了这个网站上其他类似的链接,但是所有链接似乎都是在MSBuild项目文件内部调用MSBuild任务。我想要做的就是更新路径并使其在整个项目中都可用。有什么建议吗?