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- package main
- import (
- "fmt"
- "html/template"
- "log"
- "net/http"
- "strings"
- )
- func sayhelloName(w http.ResponseWriter, r *http.Request) {
- r.ParseForm() //Parse url parameters passed, then parse the response packet for the POST body (request body)
- // attention: If you do not call ParseForm method, the following data can not be obtained form
- fmt.Println(r.Form) // print information on server side.
- 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!") // write data to response
- }
- func login(w http.ResponseWriter, r *http.Request) {
- fmt.Println("method:", r.Method) //get request method
- if r.Method == "GET" {
- t, _ := template.ParseFiles("login.gtpl")
- t.Execute(w, nil)
- } else {
- r.ParseForm()
- // logic part of log in
- fmt.Println("username:", r.Form["username"])
- fmt.Println("password:", r.Form["password"])
- }
- }
- func main() {
- http.HandleFunc("/", sayhelloName) // setting router rule
- http.HandleFunc("/login", login)
- err := http.ListenAndServe(":9090", nil) // setting listening port
- if err != nil {
- log.Fatal("ListenAndServe: ", err)
- }
- }
- <html>
- <head>
- <title></title>
- </head>
- <body>
- <form action="/login" method="post">
- Username:<input type="text" name="username">
- Password:<input type="password" name="password">
- <input type="submit" value="Login">
- </form>
- </body>
- </html>
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