Created
June 28, 2020 03:22
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| package main | |
| import ( | |
| "net/http" | |
| "io" | |
| ) | |
| const form = `<html><body><form action="#" method="post" name="bar"> | |
| <input type="text" name="in"/> | |
| <input type="submit" value="Submit"/> | |
| </form></html></body>` | |
| /* handle a simple get request */ | |
| func SimpleServer(w http.ResponseWriter, request *http.Request) { | |
| io.WriteString(w, "<h1>hello, world</h1>") | |
| } | |
| /* handle a form, both the GET which displays the form | |
| and the POST which processes it.*/ | |
| func FormServer(w http.ResponseWriter, request *http.Request) { | |
| w.Header().Set("Content-Type", "text/html") | |
| switch request.Method { | |
| case "GET": | |
| /* display the form to the user */ | |
| io.WriteString(w, form ); | |
| case "POST": | |
| /* handle the form data, note that ParseForm must | |
| be called before we can extract form data with Form */ | |
| // request.ParseForm(); | |
| //io.WriteString(w, request.Form["in"][0]) | |
| // easier method: | |
| io.WriteString(w, request.FormValue("in")) | |
| } | |
| } | |
| func main() { | |
| http.HandleFunc("/test1", SimpleServer) | |
| http.HandleFunc("/test2", FormServer) | |
| if err := http.ListenAndServe("0.0.0.0:3000", nil); err != nil { | |
| panic(err) | |
| } | |
| } |
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