add

.gitignore

@@ -142,3 +142,34 @@ linux/flutter/generated_plugins.cmake
 windows/flutter/generated_plugin_registrant.cc
 windows/flutter/generated_plugin_registrant.h
 windows/flutter/generated_plugins.cmake
+
+# Swift Package Manager
+# Swift Package Manager生成的构建和依赖文件
+**/.build/
+**/Package.resolved
+**/.swiftpm/
+**/checkouts/
+**/repositories/
+**/workspace-state.json
+**/artifacts/
+**/manifest.db
+
+# Xcode Swift Package Manager integration
+**/xcuserdata/
+**/project.xcworkspace/xcshareddata/swiftpm/
+**/DerivedData/*/SourcePackages/
+
+# Swift Package Manager lock files and build artifacts
+# 这些文件由SPM自动生成，不应该被Git跟踪
+Package.resolved
+.build/
+.swiftpm/
+
+# Temporary Swift files
+*.tmp
+*.swp
+*~
+
+# Swift Package Manager CI/CD artifacts
+.build-*
+build/