Microsoft Translator テキスト API の使い方 (go)

Microsoft Translator テキスト API の使用例です。
日本語から、ドイツ語への翻訳です。

translation.go

// ------------------------------------------------------------------
//
//  main_get_token.go
//
//                  Feb/26/2018
//
// ------------------------------------------------------------------
package main
import (
    "fmt"
    "os"
    "log"
    "io/ioutil"
    "net/http"
)

// ------------------------------------------------------------------
func translate_proc(token string,text_in string) string {
    rvalue := ""

    url_bb := "https://api.microsofttranslator.com/v2/http.svc/Translate?text="

    url_bb += text_in + "&to=de" + "&category=generalnn"

    req, _ := http.NewRequest("GET", url_bb, nil)

    req.Header.Set("Authorization", "Bearer " + token)

    client := new(http.Client)
    resp, err := client.Do(req)


    if err != nil {
        log.Fatalln(err)
        fmt.Printf("%s", err)
        os.Exit(1) 
    } else {
        defer resp.Body.Close()
        contents, err := ioutil.ReadAll(resp.Body)
        if err != nil {
            fmt.Printf("%s", err)
            os.Exit(1)
            }

        rvalue := string(contents)
        fmt.Printf("%s\n", rvalue)
        }

    return rvalue
}

// ------------------------------------------------------------------
func main() {
    fmt.Fprintf (os.Stderr,"*** 開始 ***\n")

    token := get_token_proc ()

//  fmt.Fprintf(os.Stderr,"%s\n", token)

    text_in := "今日はいい天気です。"
    fmt.Printf ("%s\n",text_in)

    result := translate_proc(token,text_in)
    fmt.Printf ("%s\n",result)

    fmt.Fprintf (os.Stderr,"*** 終了 ***\n")
}

// ------------------------------------------------------------------

get_token.go

// ----------------------------------------------------------------
/*
    get_token.go

                    Feb/26/2018
*/
// ----------------------------------------------------------------
package main
import (
    "fmt"
    "os"
    "log"
    "io/ioutil"
    "net/http"
)

// ----------------------------------------------------------------
func get_token_proc () string {

    token := ""

    key1 := "e968e25ffc2146f00000000000000aaa"
    url := "https://api.cognitive.microsoft.com/sts/v1.0/issueToken"

    req, _ := http.NewRequest("POST", url, nil)

    req.Header.Set("Ocp-Apim-Subscription-Key", key1)

    client := new(http.Client)
    resp, err := client.Do(req)

    if err != nil {
        log.Fatalln(err)
        fmt.Printf("%s", err)
        os.Exit(1) 
    } else {
        defer resp.Body.Close()
        contents, err := ioutil.ReadAll(resp.Body)
        if err != nil {
            fmt.Printf("%s", err)
            os.Exit(1)
            }
        token = string(contents)
//      fmt.Printf("%s\n", token)

    }

    return token
}

// ----------------------------------------------------------------

Makefile

translation: translation.go get_token.go
    go build translation.go get_token.go
clean:
    rm -f translation

python3 の例はこちら
Microsoft Translator テキスト API の使い方 (python3)