添加动态库示例代码及CLI测试程序

example/ex/cli/main.go

@@ -0,0 +1,38 @@
+package main
+
+import (
+	"fmt"
+	"github.com/ebitengine/purego"
+	"os"
+	// "unsafe"
+)
+
+func main() {
+	// 加载动态链接库
+	lib, err := purego.Dlopen("/home/kingecg/code/gosh/libgosh.so", purego.RTLD_NOW)
+	if err != nil {
+		fmt.Printf("无法加载动态链接库: %v\n", err)
+		os.Exit(1)
+	}
+
+	// 定义函数签名
+	var (
+		Add      func(int, int) int
+		Subtract func(int, int) int
+		Multiply func(int, int) int
+		Divide   func(int, int) int
+	)
+
+	// 注册函数
+	purego.RegisterLibFunc(&Add, lib, "Add")
+	purego.RegisterLibFunc(&Subtract, lib, "Subtract")
+	purego.RegisterLibFunc(&Multiply, lib, "Multiply")
+	purego.RegisterLibFunc(&Divide, lib, "Divide")
+
+	// 调用函数并打印结果
+	a, b := 10, 5
+	fmt.Printf("Add(%d, %d) = %d\n", a, b, Add(a, b))
+	fmt.Printf("Subtract(%d, %d) = %d\n", a, b, Subtract(a, b))
+	fmt.Printf("Multiply(%d, %d) = %d\n", a, b, Multiply(a, b))
+	fmt.Printf("Divide(%d, %d) = %d\n", a, b, Divide(a, b))
+}

example/ex/dll/main.go

@@ -0,0 +1,30 @@
+package main
+
+import "C"
+
+//export Add
+func Add(a, b int) int {
+    return a + b
+}
+
+//export Subtract
+func Subtract(a, b int) int {
+    return a - b
+}
+
+//export Multiply
+func Multiply(a, b int) int {
+    return a * b
+}
+
+//export Divide
+func Divide(a, b int) int {
+    if b == 0 {
+        return 0
+    }
+    return a / b
+}
+
+func main() {
+    // 空函数，仅用于编译
+}