Building a WEB server with Golang HTTP packets

This is a creation in Article, where the information may have evolved or changed.

package mainimport  ("FMT" "Log" "Net/http" " Strings ") Func sayhelloname (w http. Responsewriter, r *http. Request)  {r.parseform ()        //parsing parameters,  default is the FMT that will not be parsed. Println (R.form)  //These are server-side printing information fmt. PRINTLN ("Path",  r.url. Path) fmt. PRINTLN ("scheme",  r.url. Scheme) fmt. Println (r.form["Url_long"]) for k, v := range r.form {fmt. Println ("Key:",  k) fmt. Println ("Val:",  strings. Join (v,  ""))}fmt. fprintf (w,  "hello world!")  //outputs the information}func main ()  {http to the client. Handlefunc ("/",  sayhelloname)        //set the access route err := http. Listenandserve (": 8080",  nil)  //set the listening port If err != nil {log. Fatal ("listenandserve: ",  err)}} 

Run the program go run xxx.go

Enter in the browser successively

http://localhost:8080

Output result Hello world!