Building a WEB server with Golang HTTP packets

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HTTP Package Build Web server

Package Mainimport ("FMT" "Log" "Net/http" "strings") Func Sayhelloname (w http. Responsewriter, R *http. Request) {r.parseform ()       //parse parameter, default is FMT not resolved. 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 astaxie!")//output to the client information}func Main () {http. Handlefunc ("/", Sayhelloname)       //set access to the route err: = http. Listenandserve (": 9090", nil)//Set the listening port if err! = Nil {log. Fatal ("Listenandserve:", Err)}}

Enter in the browser successively

http://localhost:9090

http://localhost:9090/?url_long=111&url_long=222

The content of the output to the browser is: Hello astaxie!

Server-side Console output:

G:\users\chenjo>go Run Web.go

Map[]

Path/

Scheme

[]

Map[]

Path/favicon.ico

Scheme

[]

map[url_long:[111 222]]

Path/

Scheme

[111 222]

Key:url_long

val:111222

Map[]

Path/favicon.ico

Scheme

[]