调用google翻译

1. [代码]maven依赖    

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<dependency>     <groupId>org.apache.httpcomponents</groupId>     <artifactId>httpcore</artifactId>     <version>4.2.1</version> </dependency> <dependency>     <groupId>org.apache.httpcomponents</groupId>     <artifactId>httpclient</artifactId>     <version>4.2.1</version> </dependency> <dependency>     <groupId>log4j</groupId>     <artifactId>log4j</artifactId>     <version>1.2.17</version> </dependency>

2. [代码]翻译工具类    

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public class TranslateUtil {       private static Log logger = LogFactory.getLog(TranslateUtil.class);       private static final String URL_TEMPLATE = "http://translate.google.cn/translate_a/single?client=t";     private static final String ENCODING = "UTF-8";       private DefaultHttpClient client;       private static TranslateUtil translateUtil = new TranslateUtil();       private TranslateUtil() {         client = ConnectionManager.getHttpClient();     }       public static TranslateUtil getInstance() {         return translateUtil;     }       /**      * google翻译(文本自动识别)      *      * @param text      *            要翻译的文本      * @param target_lang      *            目标语言      * @return      * @throws Exception      */     public String translate(final String text, final String target_lang) {         return translate(text, Language.AUTO.getValue(), target_lang);     }       /**      * 中午转为英文      *      * @param text      * @return      */     public String cn2en(final String text) {         return translate(text, Language.CHINA.getValue(),                 Language.ENGLISH.getValue());     }       /**      * 英文转中文      *      * @param text      * @return      */     public String en2cn(final String text) {         return translate(text, Language.ENGLISH.getValue(),                 Language.CHINA.getValue());     }       /**      * google翻译      *      * @param text      *            要翻译的文本      * @param src_lang      *            源文本语言      * @param target_lang      *            目标语言      * @return      * @throws Exception      */     public String translate(final String text, final String src_lang,             final String target_lang) {         String result = null;         try {             String url = URL_TEMPLATE                     + "&sl="                     + src_lang                     + "&tl="                     + target_lang                     + "&hl="                     + src_lang                     + "&dt=bd&dt=ex&dt=ld&dt=md&dt=qc&dt=rw&dt=rm&dt=ss&dt=t&dt=at&dt=sw&ie="                     + ENCODING + "&oe=" + ENCODING                     + "&prev=btn&ssel=0&tsel=0&q="                     + URLEncoder.encode(text, ENCODING);               HttpGet get = new HttpGet(url);             HttpResponse response = client.execute(get);             String allInfo = EntityUtils.toString(response.getEntity());             String resultArray[] = allInfo.split("]]")[0].split("]");             for (int i = 0; i < resultArray.length - 1; i++) {                 resultBuffer.append(resultArray[i].split("\"")[1]);             }             result = resultBuffer.toString();             result = result.replace("\\n", "\r\n");         } catch (Exception e) {             logger.error(e);         }         return result;     } }

3. [代码]httpclient管理类    

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public class ConnectionManager {     /** 连接超时时间 */     static final int TIMEOUT = 30000;     /** 数据传输超时 */     static final int SO_TIMEOUT = 30000;       static String UA = "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.1"             + " (KHTML, like Gecko) Chrome/21.0.1180.89 Safari/537.1";       private ConnectionManager() {       }       public static DefaultHttpClient getHttpClient() {         SchemeRegistry schemeRegistry = new SchemeRegistry();         schemeRegistry.register(new Scheme("http", 80, PlainSocketFactory                 .getSocketFactory()));         schemeRegistry.register(new Scheme("https", 443, SSLSocketFactory                 .getSocketFactory()));           PoolingClientConnectionManager cm = new PoolingClientConnectionManager(                 schemeRegistry);         cm.setMaxTotal(500);         cm.setDefaultMaxPerRoute(200);           HttpParams params = new BasicHttpParams();         params.setParameter(CoreConnectionPNames.CONNECTION_TIMEOUT, TIMEOUT);         params.setParameter(CoreConnectionPNames.SO_TIMEOUT, SO_TIMEOUT);         params.setParameter(CoreProtocolPNames.USER_AGENT, UA);           DefaultHttpClient client = new DefaultHttpClient(cm, params);         return client;     } }

4. [代码]语言枚举    

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public enum Language {       AUTO("自动", "auto"), //     TAIWAN("台湾", "zh-TW"), //     CHINA("中文", "zh-CN"), //     ENGLISH("英语", "en"), //     JAPAN("日文", "ja");//       private String name;     private String value;       private Language(String name, String value) {         this.name = name;         this.value = value;     }       public String getName() {         return name;     }       public void setName(String name) {         this.name = name;     }       public String getValue() {         return value;     }       public void setValue(String value) {         this.value = value;     }   }

5. [代码]测试类    

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public class Test {       public static void main(String[] args) throws Exception {         System.out.println(TranslateUtil.getInstance().translate("你的名字叫什么",                 Language.CHINA.getValue(), Language.ENGLISH.getValue()));     } }