func sayHello(w http.ResponseWriter, r *http.Request) {    r.ParseForm()//获取请求参数    fmt.Fprintf(w, "hello world")//返回前台页面}func saystu(w http.ResponseWriter, r *http.Request) {    r.ParseForm()    fmt.Fprintf(w, "hello student")}func main() {    fmt.Print("com in")    http.HandleFunc("/test", sayHello)    http.HandleFunc("/test2", saystu)    err := http.ListenAndServe(":80", nil)    if err != nil {        log.Fatal("ListenAndServe", err)    }}

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