监听并提供服务

1package main
2import "fmt"
3
4func main() {
5    fmt.Printf("Hello World")
6}

1package main
2
3import (
4	"log"
5	"net/http"
6)
7
8func main() {
9	log.Printf("在 localhost:8000 上启动服务器\n")
10	log.Fatal(http.ListenAndServe(":8000", nil))
11}

1package main
2
3import (
4	"log"
5	"net/http"
6	"io"
7)
8
9// 处理请求并返回响应
10func handle(w http.ResponseWriter, r *http.Request) {
11	io.WriteString(w, "Hello students!\n")
12}
13
14func main() {
15  
16  // 注册处理函数
17  http.HandleFunc("/", handle)
18	
19  log.Printf("在 localhost:8000 上启动服务器\n")
20  log.Fatal(http.ListenAndServe(":8000", nil))
21}

代码示例

1curl localhost:8080

代码示例

1Hello students!