7.5 Cookie

设置cookie

  1. package main
  3. import (
  4.    "log"
  5.    "net/http"
  6. )
  8. func sayHelloHandler(w http.ResponseWriter, r *http.Request) {
  9.    SetCookie(w, r)
  10.    //fmt.Fprintf(w, "Hello world!\n") //这个写入到w的是输出到客户端的
  11. }
  13. func main() {
  14.    http.HandleFunc("/", sayHelloHandler) //   设置访问路由
  15.    log.Fatal(http.ListenAndServe(":8080", nil))
  16. }
  18. func SetCookie(w http.ResponseWriter, r *http.Request) {
  19.    ck := &http.Cookie{
  20.       Name:   "name",
  21.       Value:  "hello",
  22.       Path:   "/",
  23.       Domain: "localhost",
  24.       MaxAge: 120,
  25.    }
  26.    w.Header().Set("set-cookie", ck.String()) //设置cookie  value 值可以包含空格
  27.    //http.SetCookie(w, ck)  //设置cookie  value 值可以不能包含空格
  28. }

读取cookie

  1.     cookie, err := r.Cookie("name")
  2.     if err == nil {
  3.         fmt.Println(cookie.Value)
  4.         fmt.Println(cookie.Domain)
  5.         fmt.Println(cookie.Expires)
  6.     }

links