[英]How to load VS Database Project from .NET Core app?
默認情況下,Visual Studio SQL 服務器數據庫項目在 .sqlproj 文件中包含這樣的導入行:
<PropertyGroup>
<VisualStudioVersion Condition="'$(VisualStudioVersion)' == ''">11.0</VisualStudioVersion>
<!-- Default to the v11.0 targets path if the targets file for the current VS version is not found -->
<SSDTExists Condition="Exists('$(MSBuildExtensionsPath)\Microsoft\VisualStudio\v$(VisualStudioVersion)\SSDT\Microsoft.Data.Tools.Schema.SqlTasks.targets')">True</SSDTExists>
<VisualStudioVersion Condition="'$(SSDTExists)' == ''">11.0</VisualStudioVersion>
</PropertyGroup>
<Import Condition="'$(SQLDBExtensionsRefPath)' != ''" Project="$(SQLDBExtensionsRefPath)\Microsoft.Data.Tools.Schema.SqlTasks.targets" />
<Import Condition="'$(SQLDBExtensionsRefPath)' == ''" Project="$(MSBuildExtensionsPath)\Microsoft\VisualStudio\v$(VisualStudioVersion)\SSDT\Microsoft.Data.Tools.Schema.SqlTasks.targets" />
盡管 VisualStudioVersion 11.0 沒有包含 SSDT 的目錄,但它可以從 Visual Studio 正確打開。 但是,當嘗試使用 Microsoft.Build package 從 .NET 核心應用程序加載項目時,它會引發錯誤:
未找到導入的項目“D:\TestApp\TestApp\bin\Debug\netcoreapp3.1\Microsoft\VisualStudio\v11.0\SSDT\Microsoft.Data.Tools.Schema.SqlTasks.targets”。 確認導入聲明“D:\TestApp\TestApp\bin\Debug\netcoreapp3.1\Microsoft\VisualStudio\v11.0\SSDT\Microsoft.Data.Tools.Schema.SqlTasks.targets”中的表達式是正確的,並且該文件存在於磁盤上。
D:\Database1\Database1\Database1.sqlproj
項目加載的代碼看起來像
var project = new Microsoft.Build.Evaluation.Project(@"D:\Database1\Database1\Database1.sqlproj");
我想要的只是使用 AddItem 方法將一些項目添加到項目中,然后保存它。
正如我所說,您可以忽略錯過的導入,並且我相信這將防止發生錯誤,為此您可以使用Project構造函數的以下重載:
public Project (string projectFile, System.Collections.Generic.IDictionary<string,string> globalProperties, string toolsVersion, Microsoft.Build.Evaluation.ProjectCollection projectCollection, Microsoft.Build.Evaluation.ProjectLoadSettings loadSettings);
將loadSettings
設置為IgnoreMissingImports
:
/// <summary>
/// Flags for controlling the project load.
/// </summary>
/// <remarks>
/// This is a "flags" enum, allowing future settings to be added
/// in an additive, non breaking fashion.
/// </remarks>
[Flags]
[SuppressMessage("Microsoft.Design", "CA1008:EnumsShouldHaveZeroValue", Justification = "Public API. 'Default' is roughly equivalent to 'None'. ")]
public enum ProjectLoadSettings
{
/// <summary>
/// Normal load. This is the default.
/// </summary>
Default = 0,
/// <summary>
/// Ignore nonexistent targets files when evaluating the project
/// </summary>
IgnoreMissingImports = 1,
/// <summary>
/// Record imports including duplicate, but not circular, imports on the ImportsIncludingDuplicates property
/// </summary>
RecordDuplicateButNotCircularImports = 2,
/// <summary>
/// Throw an exception and stop the evaluation of a project if any circular imports are detected
/// </summary>
RejectCircularImports = 4,
/// <summary>
/// Record the item elements that got evaluated
/// </summary>
RecordEvaluatedItemElements = 8,
/// <summary>
/// Ignore empty targets files when evaluating the project
/// </summary>
IgnoreEmptyImports = 16,
/// <summary>
/// By default, evaluations performed via <see cref="Project"/> evaluate and collect elements whose conditions were false (e.g. <see cref="Project.ItemsIgnoringCondition"/>).
/// This flag turns off this behaviour. <see cref="Project"/> members that collect such elements will throw when accessed.
/// </summary>
DoNotEvaluateElementsWithFalseCondition = 32,
/// <summary>
/// Ignore invalid target files when evaluating the project
/// </summary>
IgnoreInvalidImports = 64,
/// <summary>
/// Whether to profile the evaluation
/// </summary>
ProfileEvaluation = 128,
}
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