1. proxy转发

import (
    "fmt"
    "net/http"
func sayHello(w http.ResponseWriter, r *http.Request) {
    fmt.Println("topgoer.com是个不错的网站我是9091里面的")
}
func main() {
    if err != nil {
        fmt.Println("HTTP server failed,err:", err)
        return
    }