优化main包，可以单独以命令行的方式运行程序

mywords-go/cmd/flutter/init.go

@@ -0,0 +1,32 @@
+package main
+
+import "C"
+import (
+	"mywords/dict"
+	"mywords/server"
+	"sync"
+	"time"
+)
+
+func init() {
+	// flutter 中的日志是 UTC 时间，所以这里要设置时区
+	time.Local = time.FixedZone("CST", 8*3600)
+}
+
+var once sync.Once
+
+//export Init
+func Init(rootDataDir *C.char, proxyUrl *C.char) {
+	once.Do(func() {
+		initGlobal(C.GoString(rootDataDir), C.GoString(proxyUrl))
+	})
+}
+func initGlobal(rootDataDir string, proxyUrl string) {
+	srv, err := server.NewServer(rootDataDir, proxyUrl)
+	if err != nil {
+		panic(err)
+	}
+	serverGlobal = srv
+	multiDictGlobal = dict.NewMultiDictZip(rootDataDir)
+	go multiDictGlobal.Init()
+}

mywords-go/cmd/flutter/main.go

@@ -1,38 +1,22 @@
+//go:build !flutter
+
 package main
 
-import "C"
 import (
-	"fmt"
-	"mywords/dict"
-	"mywords/server"
-	"sync"
-	"time"
+	"os"
+	"path/filepath"
 )
 
+// 可以命令行的方式运行
 func main() {
-	// must Init when using the exported method in this package
-	fmt.Println("Hello World from Flutter")
-}
-
-func init() {
-	// flutter 中的日志是 UTC 时间，所以这里要设置时区
-	time.Local = time.FixedZone("CST", 8*3600)
-}
-
-var once sync.Once
-
-//export Init
-func Init(rootDataDir *C.char, proxyUrl *C.char) {
-	once.Do(func() {
-		initGlobal(C.GoString(rootDataDir), C.GoString(proxyUrl))
-	})
-}
-func initGlobal(rootDataDir string, proxyUrl string) {
-	srv, err := server.NewServer(rootDataDir, proxyUrl)
+	homeDir, err := os.UserHomeDir()
+	if err != nil {
+		panic(err)
+	}
+	initGlobal(filepath.Join(homeDir, ".local/share/com.example.mywords"), "")
+	err = serverGlobal.ShareOpen(18964, 890604)
 	if err != nil {
 		panic(err)
 	}
-	serverGlobal = srv
-	multiDictGlobal = dict.NewMultiDictZip(rootDataDir)
-	go multiDictGlobal.Init()
+	select {}
 }

mywords-go/cmd/flutter/main_flutter.go

@@ -0,0 +1,13 @@
+//go:build flutter
+
+package main
+
+import (
+	"fmt"
+)
+
+func main() {
+	// 编译为so库供flutter使用
+	// must Init when using the exported method in this package
+	fmt.Println("Hello World from Flutter")
+}

mywords-go/makefile

@@ -33,13 +33,13 @@ build-so: build-so-linux build-so-android
 	@echo "build .so for all platform successfully"
 build-so-linux: 
 	@echo "build so for linux platform"
-	@go build -buildmode=c-shared -ldflags="-s -w" -o $(FLUTTER_DIR)/libs/libgo_linux.so ./cmd/flutter/
+	@go build -tags=flutter -buildmode=c-shared -ldflags="-s -w" -o $(FLUTTER_DIR)/libs/libgo_linux.so ./cmd/flutter/
 	@echo "build .so for linux platform successfully!"
 build-so-windows: 
 	@echo "build so for windows platform"
-	@go build -buildmode=c-shared -ldflags="-s -w" -o $(FLUTTER_DIR)/libs/libgo_windows.so ./cmd/flutter/
+	@go build -tags=flutter -buildmode=c-shared -ldflags="-s -w" -o $(FLUTTER_DIR)/libs/libgo_windows.so ./cmd/flutter/
 	@echo "build .so for windows platform successfully!"
 build-so-android: 
 	@echo "build .so for android platform"
-	@CC=${CC} GOOS=android CGO_ENABLED=1 GOARCH=arm64 go build -buildmode=c-shared -ldflags="-s -w" -o $(FLUTTER_DIR)/android/app/jniLibs/arm64-v8a/libgo.so ./cmd/flutter/
+	@CC=${CC} GOOS=android CGO_ENABLED=1 GOARCH=arm64 go build  -tags=flutter -buildmode=c-shared -ldflags="-s -w" -o $(FLUTTER_DIR)/android/app/jniLibs/arm64-v8a/libgo.so ./cmd/flutter/
 	@echo "build .so for android platform successfully!"