go 谷歌免费翻译

package main

import (
    "fmt"
    "io/ioutil"
    "net/http"
    "net/url"
    "strings"
)
type fanyi struct  {
   first   string
   second  string
   context string
}

func( f *fanyi) TranslateEn2Ch(ff *fanyi) (string, error) {
    url := fmt.Sprintf("https://translate.googleapis.com/translate_a/single?client=gtx&sl=%s&tl=%s&dt=t&q=%s",ff.first,ff.second, url.QueryEscape(ff.context))
    resp, err := http.Get(url)
    if err != nil {
        return "", err
    }
    defer resp.Body.Close()
    if err != nil {
        return "", err
    }
    bs, err := ioutil.ReadAll(resp.Body)
    if err != nil {
        return "", err
    }
    //返回的json反序列化比较麻烦, 直接字符串拆解
    ss := string(bs)
    ss = strings.ReplaceAll(ss, "[", "")
    ss = strings.ReplaceAll(ss, "]", "")
    ss = strings.ReplaceAll(ss, "null,", "")
    ss = strings.Trim(ss, `"`)
    ps := strings.Split(ss, `","`)
    return ps[0], nil
}
func main() {
    var ff fanyi
    ff.first="zh-cn"
    ff.second="ja"
    ff.context="www.topgoer.com是个不错的go语言中文文档"
    str, err :=new(fanyi).TranslateEn2Ch(&ff)
    if err != nil {
        fmt.Println(err)
    }
    fmt.Println(str)
}