GO语言学习第一天——HelloWorld

helloWorld.go

package main

import (

"fmt"

)

func main() {

fmt.Println("Hello,世界!")

}

>>go run helloWorld.go

Hello,世界!

simpleWebServer.go

package main

import (

"net/http"

"fmt"

)

// Default Request Handler

func defaultHandler(w http.ResponseWriter, r *http.Request) {

fmt.Fprintf(w, "<h1>Hello %s!</h1>", r.URL.Path[1:])

}

func main() {

http.HandleFunc("/", defaultHandler)

http.ListenAndServe(":8080", nil)

}

>>go run simpleWebServer.go

>>curl http://127.0.0.1:8080/世界

<h1>Hello 世界!</h1>