锟斤拷锟斤拷位锟矫ｏ拷锟斤拷页 > 锟斤拷锟斤拷锟教筹拷 > 锟教筹拷 > c# 12 实锟斤拷锟斤拷锟斤拷Interceptor 锟斤拷什么锟斤拷
一直锟叫很讹拷转锟斤拷dotnet锟斤拷Interceptor说锟斤拷锟侥碉拷锟侥ｏ拷锟斤拷锟斤拷锟斤拷说锟斤拷Interceptor锟斤拷锟绞癸拷玫模锟斤拷锟斤拷锟叫匆黄拷锟绞撅拷锟斤拷锟秸故疽伙拷锟� c# 12 实锟斤拷锟斤拷锟斤拷Interceptor 锟斤拷什么锟斤拷 锟劫凤拷锟斤拷锟斤拷锟斤拷锟铰ｏ拷锟斤拷实锟斤拷说锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟矫的撅拷态锟斤拷织锟斤拷式锟斤拷aop锟斤拷锟杰ｏ拷锟斤拷同锟斤拷锟斤拷锟斤拷il锟睫改达拷锟斤拷姆锟绞斤拷锟绞癸拷锟斤拷系媒锟�
锟斤拷dotnet锟斤拷锟斤拷锟叫ｏ拷锟斤拷然锟叫很讹拷锟斤拷锟絀nterceptor锟斤拷转锟斤拷说锟斤拷锟侥碉拷锟斤拷锟斤拷锟斤拷锟斤拷锟叫癸拷锟斤拷Interceptor锟斤拷锟绞癸拷玫锟斤拷锟较杆碉拷锟斤拷锟斤拷锟斤拷慕锟酵拷锟揭伙拷锟斤拷锟绞撅拷锟斤拷锟秸故綢nterceptor锟斤拷使锟矫凤拷锟斤拷锟斤拷
Interceptor锟斤拷一锟斤拷锟斤拷锟矫的撅拷态锟斤拷织锟斤拷式锟斤拷aop锟斤拷锟杰ｏ拷锟斤拷锟斤拷锟斤拷il锟睫改达拷锟斤拷姆锟绞斤拷锟酵拷锟斤拷锟斤拷锟斤拷锟斤拷诒锟斤拷锟绞憋拷锟斤拷锟斤拷锟斤拷锟绞斤拷锟斤拷钥锟斤拷锟斤拷胤锟斤拷锟斤拷牡锟斤拷锟斤拷婊晃拷锟斤拷锟斤拷锟斤拷锟斤拷牡锟斤拷谩锟酵拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷氐锟斤拷玫锟皆次伙拷茫锟斤拷锟斤拷越锟斤拷锟斤拷锟斤拷锟斤拷婊伙拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟叫ｏ拷锟斤拷锟斤拷锟斤拷源锟斤拷锟斤拷锟斤拷锟叫ｏ拷锟斤拷锟斤拷锟铰达拷锟诫，锟接讹拷锟结供锟斤拷锟斤拷锟斤拷锟叫达拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟�
锟斤拷源锟斤拷锟斤拷锟斤拷锟斤拷使锟斤拷锟斤拷锟斤拷锟斤拷锟睫革拷锟斤拷锟叫憋拷锟斤拷拇锟斤拷耄拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷哟锟斤拷搿Ｔ达拷锟斤拷锟斤拷锟斤拷锟斤拷钥锟斤拷锟斤拷胤锟斤拷锟斤拷牡锟斤拷锟斤拷婊晃拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷牡锟斤拷谩锟�
锟斤拷锟斤拷锟斤拷锟斤拷锟饺わ拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷亩锟斤拷锟斤拷芄娣讹拷锟斤拷私锟斤拷锟较革拷锟较拷锟斤拷锟斤拷使锟矫该癸拷锟杰ｏ拷锟斤拷确锟斤拷锟斤拷时锟剿斤拷锟绞碉拷楣︼拷艿墓锟斤拷芄娣讹拷械锟斤拷魏胃锟斤拷摹锟斤拷锟斤拷锟饺凤拷锟斤拷锟斤拷芎锟斤拷锟轿拷锟斤拷牡锟秸撅拷锟斤拷锟斤拷锟斤拷痈锟斤拷锟街革拷锟斤拷锟�
锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷一锟斤拷锟津单碉拷 static method 锟斤拷为锟斤拷锟角革拷写锟斤拷锟斤拷锟斤拷锟捷碉拷目锟疥。
public static partial class DBExtensions
{
public static string TestInterceptor(object o)
{
return o.GetType().ToString();
}
}
锟斤拷锟斤拷锟侥撅拷态锟斤拷锟斤拷锟斤拷锟斤拷锟角硷拷锟斤拷锟叫达拷锟侥匡拷锟轿拷锟斤拷锟給锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷一锟斤拷string锟斤拷锟酵碉拷锟斤拷锟斤拷值锟斤拷
锟斤拷锟斤拷应锟矫匡拷锟斤拷通锟斤拷锟斤拷锟铰碉拷 UT 锟斤拷锟斤拷锟斤拷
[Fact]
public void CallNoError()
{
Assert.Equal("sss", DBExtensions.TestInterceptor(new { A = "sss", C= "ddd" }));
}
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netstandard2.0
preview
true
false
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net8.0
enable
enable
false
true
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$(InterceptorsPreviewNamespaces);Test.AOT
[Generator(LanguageNames.CSharp)]
public class InterceptorGenerator : IIncrementalGenerator
{
}
锟斤拷锟斤拷锟�
IIncrementalGenerator
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[Generator(LanguageNames.CSharp)]
public class InterceptorGenerator : IIncrementalGenerator
{
public void Initialize(IncrementalGeneratorInitializationContext context)
{
var nodes = context.SyntaxProvider.CreateSyntaxProvider(FilterFunc, TransformFunc).Where(x => x is not null).Select((x, _) => x!);
var combined = context.CompilationProvider.Combine(nodes.Collect());
context.RegisterImplementationSourceOutput(combined, Generate);
}
}
锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷实锟斤拷
FilterFunc
锟斤拷
private bool FilterFunc(SyntaxNode node, CancellationToken token)
{
if (node is InvocationExpressionSyntax ie && ie.ChildNodes().FirstOrDefault() is MemberAccessExpressionSyntax ma)
{
return ma.Name.ToString().StartsWith("TestInterceptor");
}
return false;
}
锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷实锟斤拷
TransformFunc
锟斤拷
private TestData TransformFunc(GeneratorSyntaxContext ctx, CancellationToken token)
{
// 实锟街达拷锟斤拷
}
锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷实锟斤拷
Generate
锟斤拷
private void Generate(SourceProductionContext ctx, (Compilation Left, ImmutableArray Right) state)
{
// 实锟街达拷锟斤拷
}
锟斤拷锟斤拷锟斤拷潜锟斤拷锟斤拷锟津，就会看锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟侥硷拷锟斤拷锟诫。
// 锟斤拷锟缴的达拷锟斤拷
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锟侥讹拷锟结巢锟斤拷锟叫★拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟狡硷拷锟截闭凤拷锟斤拷
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频锟斤拷 锟斤拷锟斤拷频锟斤拷锟斤拷锟斤拷锟斤拷专锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷卓锟斤拷锟斤拷锟�锟斤拷app锟斤拷锟斤拷
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锟斤拷锟斤拷 锟斤拷锟斤拷色锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷 锟斤拷锟斤拷锟�锟斤拷锟斤拷战锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷
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锟斤拷站锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟较达拷锟斤拷锟斤拷锟斤拷锟街凤拷锟斤拷陌锟饺拷锟斤拷敕拷始锟�[email protected]
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