Google翻译post提交无长度限制的在线翻译例子

柔情只为你懂 2023-10-12 07:55 51阅读 0赞

/**
     * http://ahomeeye.iteye.com/blog/841298
     * @author ahomeeye
     */
    import java.util.ArrayList;
    import java.util.List;
    import org.apache.http.HttpResponse;
    import org.apache.http.NameValuePair;
    import org.apache.http.client.entity.UrlEncodedFormEntity;
    import org.apache.http.client.methods.HttpPost;
    import org.apache.http.impl.client.DefaultHttpClient;
    import org.apache.http.message.BasicNameValuePair;
    import org.apache.http.protocol.HTTP;
    import org.apache.http.util.EntityUtils;
    
    public class GoogleTranslate {
    
        private static HttpPost httppost;
        private static HttpResponse response;
        private static final DefaultHttpClient httpclient = new DefaultHttpClient();
    
        /*
         * @param text 翻译原文
         * @param lanFrom 源语言
         * @param lanTo 目标语言
         * @return 翻译后的字符串
         */
        public static String translate(String text, String lanFrom, String lanTo) {
            List<NameValuePair> qparams = new ArrayList<NameValuePair>();
            qparams.add(new BasicNameValuePair("hl", "en"));
            qparams.add(new BasicNameValuePair("ie", "UTF-8"));
            qparams.add(new BasicNameValuePair("sl", lanFrom));
            qparams.add(new BasicNameValuePair("text", text));
            qparams.add(new BasicNameValuePair("tl", lanTo));
    
            //HttpClient提交post请求
            httppost = new HttpPost("http://translate.google.com/translate_t#");
    
            String responseBody = "";
            String content = "";
            try {
                //将参数封装到post数据包中，
                httppost.setEntity(new UrlEncodedFormEntity(qparams, HTTP.UTF_8));
                response = httpclient.execute(httppost);
                responseBody = EntityUtils.toString(response.getEntity());
    
                //过滤出所需翻译后的内容
                int tmp1 = responseBody.indexOf("result_box");
                int tmp2 = responseBody.indexOf(">", tmp1);
                int tmp3 = responseBody.indexOf("</div>", tmp2);
                content = responseBody.substring(tmp2 + 1, tmp3).replaceAll("<br>", "\n").replaceAll("<[^>]*>", "");//替换换行符和其他网页标签
            } catch (Exception e) {
                return content;
            } finally {
                httppost.abort();
            }
            return content;
        }
    
        /*
         * 重载上面的translate()方法，实现文本数组的翻译
         */
        public static String[] translate(String[] text, String lanFrom, String lanTo) {
            if (text == null || text.length < 1) {
                return null;
            }
            StringBuilder sb = new StringBuilder();
            for (int i = 0; i < text.length; i++) {
                if (i < text.length - 1) {
                    sb.append(text[i]).append("BBaaBB");
                } else {
                    sb.append(text[i]);
                }
            }
            return translate(sb.toString(), lanFrom, lanTo).split("BBaaBB");
        }
    
        public static void main(String[] args) {
            String text = "我是一个中国人。";
            String[] arrayText = {"我来自广东梅州。", "我爱你，梅州！"};
            //这里实现多国语言间的翻译，大约支持59种语言，语言代码这里不再列出，有需要可到网上搜索
            //语言字符串为国家或地区语言代码，一般为两位，繁体中文为：zh-TW 法语为：fr
            String tranText = GoogleTranslate.translate(text, "zh-CN", "en");
            String[] tranArray = GoogleTranslate.translate(arrayText, "zh-CN", "en");
            System.out.println("tranText=" + tranText);
            for (int i = 0; i < tranArray.length; i++) {
                System.out.println("tranArray[" + i + "]=" + tranArray[i]);
            }
        }
    }