Google翻译post提交无长度限制的在线翻译例子

/**
 * 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 qparams = new ArrayList();
        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("

", tmp2); content = responseBody.substring(tmp2 + 1, tmp3).replaceAll("
", "\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]); } } }