[javascript] 웹사이트 무료 구글 번역 api 사용법

Google의 사이트 번역 기능을 이용하면 손쉽게 내 사이트를 다국어 사이트로 변신시킬 수 있다.
기존에는 API 키를 발급해 사용이 가능 하였으나 현재는 더 이상 제공 되지 않는다.
그래서 우리는 다른 방법을 통해 사이트 번역기능을 이용 해야만 한다.
 

구글 기본 UI를 이용해 번역 기능 사용하기

<div id="google_translate_element"></div>
<script src="https://translate.google.com/translate_a/element.js?cb=googleTranslateElementInit"></script>
<script type="text/javascript">
	function googleTranslateElementInit() {new google.translate.TranslateElement({pageLanguage: 'ko',autoDisplay: false}, 'google_translate_element');}
</script>

 
 
위 태그를 (<div id="google_translate_element"></div>  구글 번역기능이 필요한 페이지에 넣으면 언어 선택이 가능한 샐랙트 박스가 생성이 된다.
사용자가 바꾸고 싶은 언어를 선택하면 내 사이트는 구글 번역 기능을 통해 바뀐 언어의 사이트로 탈바꿈되게 된다.
 

내가 원하는 언어만 표시하기

구글 번역에서 사용 가능한 언어는 100여가지가 넘는다.
그렇기에 내가 원하는 언어를 찾기가 힘들수 있는데 구글에서는 그런 사용자들을 위해 옵션값을 제공한다.
 

function googleTranslateElementInit() {
	new google.translate.TranslateElement({pageLanguage: 'ko' , includedLanguages : 'ko,en,jp'}, 'google_translate_element');
}

 

pageLanuage는 처음 세팅되는 언어값을 뜻하며 샐랙트 박스에 내가 원하는 목록만 나오게 하려면 추가 속성에서 includedLanguages 값을 내가 원하는 나라의 코드만 적어주면 된다. 
 
국가별 언어코드가 궁금하다면 아래의 링크를 참고하도록 하자.

 

 

 

국기 이미지를 활용한 커스터마이징하기

<div id="google_translate_element" style="display:none;"></div>
<ul class="translation-links">
	<li><a href="javascript:void(0)" class="korean" data-lang="ko" title="korean"><span class="flag ko"></span></a></li>
	<li><a href="javascript:void(0)" class="english" data-lang="en" title="English"><span class="flag en"></span></a></li>
	<li><a href="javascript:void(0)" class="japanese" data-lang="ja" title="日本語"><span class="flag ja"></span></a></li>
	<li><a href="javascript:void(0)" class="japanese" data-lang="zh-CN" title="中文(简体)"><span class="flag zh-CN"></span></a></li>
 </ul>
<script src="https://translate.google.com/translate_a/element.js?cb=googleTranslateElementInit"></script>
<link rel="stylesheet" type="text/css" href="flags.css">
<script type="text/javascript">
	function googleTranslateElementInit() {new google.translate.TranslateElement({pageLanguage: 'ko',autoDisplay: true}, 'google_translate_element');}
	document.querySelector('.translation-links').addEventListener('click',function(event) {
		let el = event.target;
		if(el != null){
			while(el.nodeName == 'FONT' || el.nodeName == 'SPAN'){
            	el = el.parentElement;
            }
			const gtcombo = document.querySelector('.goog-te-combo');
			if (gtcombo == null) {
				alert("Error: Could not find Google translate Combolist.");
				return false;
			}
			gtcombo.value = tolang;
			gtcombo.dispatchEvent(new Event('change')); 
		}
		return false;
	});
</script>

새롭게 만든 UI에서 선택 이벤트가 발생하면 선택한 언어를 적용해 변경 이벤트를 발생시킨다.
나라 이미지는 직접 만들어서 사용해도 되고 아래의 css처럼 data:image/svg+xml를 활용해 사용해도 무방하다.

.translation-links{
 /*background-color: #f5f5f5;*/
 max-width: 100%;
 /*padding: 20px;*/
 list-style: none;
}
.translation-links li{
 height: 30px;
 /*padding: 5px;*/
 box-sizing: border-box;
 float: left;
}
.translation-links span{
 float: left;
 color: #000;
}
.translation-links .flag{
 display: inline-block;
 width: 30px;
 height: 20px;
 margin-right: 8px;
}
/* south_korea */
.ko {
 background: url('data:image/svg+xml;base64,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');
 width: 100%;
 height: 66.666666666667%;
 background-size: 100% 100%;
}
/* united_states */
.en {
 background: url('data:image/svg+xml;base64,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');
 width: 100%;
 height: 52.631578947368%;
 background-size: 100% 100%;
}
/* spain */
.es {
 background: url('data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZpZXdCb3g9IjAgMCA3NTAgNTAwIj4NCjxwYXRoIGZpbGw9IiNjNjBiMWUiIGQ9Im0wLDBoNzUwdjUwMGgtNzUweiIvPg0KPHBhdGggZmlsbD0iI2ZmYzQwMCIgZD0ibTAsMTI1aDc1MHYyNTBoLTc1MHoiLz4NCjwvc3ZnPg0K');
 width: 100%;
 height: 66.666666666667%;
 background-size: 100% 100%;
}
/* france */
.fr {
 background: url('data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZpZXdCb3g9IjAgMCA5MDAgNjAwIj4NCjxwYXRoIGZpbGw9IiNlZDI5MzkiIGQ9Im0wLDBoOTAwdjYwMGgtOTAweiIvPg0KPHBhdGggZmlsbD0iI2ZmZiIgZD0ibTAsMGg2MDB2NjAwaC02MDB6Ii8+DQo8cGF0aCBmaWxsPSIjMDAyMzk1IiBkPSJtMCwwaDMwMHY2MDBoLTMwMHoiLz4NCjwvc3ZnPg0K');
 width: 100%;
 height: 66.666666666667%;
 background-size: 100% 100%;
}

/* japan */
.ja {
 background: url('data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZpZXdCb3g9IjAgMCA5MDAgNjAwIj4NCjxwYXRoIGZpbGw9IiNmZmYiIGQ9Im0wLDBoOTAwdjYwMGgtOTAweiIvPg0KPGNpcmNsZSBmaWxsPSIjYmUwMDI2IiBjeD0iNDUwIiBjeT0iMzAwIiByPSIxODAiLz4NCjwvc3ZnPg0K');
 width: 100%;
 height: 66.666666666667%;
 background-size: 100% 100%;
}

/* germany */
.de {
 background: url('data:image/svg+xml;base64,PHN2ZyB3aWR0aD0iMTAwMCIgeG1sbnM9Imh0dHA6Ly93d3cudzMub3JnLzIwMDAvc3ZnIiBoZWlnaHQ9IjYwMCIgdmlld0JveD0iMCAwIDUgMyI+DQo8cGF0aCBkPSJtMCwwaDV2M2gtNXoiLz4NCjxwYXRoIGZpbGw9IiNkMDAiIGQ9Im0wLDFoNXYyaC01eiIvPg0KPHBhdGggZmlsbD0iI2ZmY2UwMCIgZD0ibTAsMmg1djFoLTV6Ii8+DQo8L3N2Zz4NCg==');
 width: 100%;
 height: 60%;
 background-size: 100% 100%;
}
/* china */
.zh-CN {
 background: url('data:image/svg+xml;base64,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');
 width: 100%;
 height: 66.666666666667%;
 background-size: 100% 100%;
}