Go Plugin

2025-08-17 134 words One minute

Contents

go plugin

[serialt@Krab plugin]🐳 tree .
.
├── go.mod
├── kk
│   ├── kk.go
│   └── kk.so
├── ks
└── main.go

// kk.go
package main

import "fmt"

func Greet(name string) {
	fmt.Println("Hello", name)
}

func main() {}


// main.go
package main

import (
	"log"
	"plugin"
)

func main() {
	p, err := plugin.Open("./kk/kk.so")
	if err != nil {
		log.Fatal(err)
	}
	greet, err := p.Lookup("Greet")
	if err != nil {
		log.Fatal(err)
	}
	greet.(func(string))("Go")
}

编译插件

cd kk && go build -buildmode=plugin

编译主服务调用插件

[root@Krab plugin]🐳 go build 
[root@Krab plugin]🐳 ./ks 
Hello Go