// form processing
package main
import (
"net/http"
"io"
"fmt"
"log"
)
const form = `<html><body>
<form action="#" method="post" />
<input type="text" name="name" />
<input type="text" name="pass" />
<input type="submit" value="submit" />
</form>
</body></html>`
func deal2 (w http.ResponseWriter, r *http.Request) {
w.Header().Set("Content-Type", "text/html")
Http // Method behalf of the specified method
switch r.Method {
case "GET":
//io.WriteString(w, s string) writes the string s in w
io.WriteString(w, form)
case "POST":
//func (*Request) PostFormValue
// PostFormValue return key field to obtain a bond r.PostForm query results [] value of a first slice of the string
io.WriteString(w, r.PostFormValue("name"))
io.WriteString(w, "\n")
io.WriteString(w, r.PostFormValue("pass"))
}
}
// panic treatment
func logsPanic (handle http.HandlerFunc) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
defer func () {
if x := recover(); x != nil {
log.Printf("[%v] catch panic:%v", r.RemoteAddr, x)
}
}()
handle(w, r)
}
}
func main () {
http.HandleFunc("/test1", func (w http.ResponseWriter, r *http.Request) {
fmt.Fprintf(w, "<h1>hello world</h1>")
})
http.HandleFunc("/test2", logsPanic(deal2))
if err := http.ListenAndServe("localhost:10010", nil); err != nil {
fmt.Println("listen server failed, error:", err)
return
}
}