golangHow to get query param from HTTP server
package main
import ( "fmt"; "net/http" )
func hi(w http.ResponseWriter, req *http.Request) {
fmt.Fprintf(w, req.URL.Query().Get("test"))
}
func main() {
http.HandleFunc("/hi", hi)
http.ListenAndServe(":8222", nil)
}ctrl + cpackage maindefault package declaration | func main() {declare |
net/httphttp package to work with http protocol | req.URL.Query().Get(returns query string param value by specified name |
"/hi", hihandle | http.ListenAndServelaunch HTTP server |
8222port to listen HTTP server on | |
Usage example
package main
import ( "fmt"; "net/http" )
func hi(w http.ResponseWriter, req *http.Request) {
fmt.Fprintf(w, req.URL.Query().Get("test"))
}
func main() {
http.HandleFunc("/hi", hi)
http.ListenAndServe(":8222", nil)
}output
# returns "123" on "localhost:8222/hi?test=123" request