代码
package main
import (
"encoding/json"
"fmt"
"log"
"net/http"
)
func main() {
http.HandleFunc("/", handler)
http.ListenAndServe(":8080", nil)
}
func handler(w http.ResponseWriter, r *http.Request) {
query := r.URL.Query()
jsonStr, err := json.Marshal(query)
if err != nil {
log.Fatalf("%v\n", err)
}
fmt.Fprintf(w, "get all param: "+string(jsonStr)+"\n")
names, ok := query["name"]
if !ok || len(names[0]) < 1 {
log.Println("Url Param 'name' is missing")
return
}
fmt.Fprintf(w, "name="+names[0]+"\n")
}
运行
