Create dotnet.yml

.github/workflows/dotnet.yml

@@ -0,0 +1,24 @@
+name: .NET 3.5 CI
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+
+jobs:
+  build:
+
+    runs-on: windows-latest
+
+    steps:
+    - uses: actions/checkout@v3
+    - name: Setup .NET 3.5
+      uses: actions/setup-dotnet@v2
+      with:
+        dotnet-version: '3.5'
+    # - name: Build with MSBuild
+    #   run: msbuild /p:Configuration=Release
+    #测试
+    - name: Test with MSBuild
+      run: msbuild /p:Configuration=Release /p:TargetFrameworkVersion=v3.5 /t:Test