golang.cookbook.md

Http

Error handling

resp, err := http.Get("http://localhost:8080/500")
if err != nil {
	log.Fatal(err)
}
if resp.StatusCode != 200 {
	b, _ := ioutil.ReadAll(resp.Body)
	log.Fatal(string(b))
}

Url

Parse URL param

    keys, ok := r.URL.Query()["key"]
    
    if !ok || len(keys[0]) < 1 {
        log.Println("Url Param 'key' is missing")
        return
    }

https://golangcode.com/get-a-url-parameter-from-a-request/