Java代码实现利用google实现多语言翻译案例

package http;

/**
 * 字符串构造表单数据
 */
public class NameValue {

	private StringBuilder sb = new StringBuilder();

	public void add(String name, Object value) {
		sb.append("&");
		sb.append(name);
		sb.append("=");
		sb.append(value);
	}

	@Override
	public String toString() {
		return sb.toString();
	}
}


package http;

import java.net.*;
import java.io.*;


public class WebRequest {
	
	private static void setRequestHeader(HttpURLConnection conn){
		conn.setRequestProperty("User-Agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.0)");
		conn.setRequestProperty("Accept", "Accept: image/gif, image/x-xbitmap, image/jpeg, image/pjpeg, application/x-shockwave-flash, application/vnd.ms-excel, application/vnd.ms-powerpoint, application/msword, */*");
		conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
	}

	public static String post(String url, String data, String charset) {
		try {
			URL __url = new URL(url);
			HttpURLConnection conn = (HttpURLConnection) __url.openConnection();
			conn.setDoInput(true);
			conn.setDoOutput(true);
			setRequestHeader(conn);
			OutputStreamWriter bos = new OutputStreamWriter(
					conn.getOutputStream(), charset);
			bos.write(data);
			bos.flush();
			BufferedReader bis = new BufferedReader(new InputStreamReader(
					conn.getInputStream(), charset));
			String line = null;
			StringBuilder sb = new StringBuilder();
			while ((line = bis.readLine()) != null) {
				sb.append(line);
				sb.append("\n");
			}
			bis.close();
			return sb.toString();
		} catch (Exception e) {
			return null;
		}
	}

	public static String get(String url, String charset) {
		try {
			URL __url = new URL(url);
			HttpURLConnection conn = (HttpURLConnection) __url.openConnection();
			setRequestHeader(conn);
			BufferedReader bis = new BufferedReader(new InputStreamReader(
					conn.getInputStream(), charset));
			String line = null;
			StringBuilder sb = new StringBuilder();
			while ((line = bis.readLine()) != null) {
				sb.append(line);
				sb.append("\n");
			}
			bis.close();
			return sb.toString();
		} catch (Exception e) {
			e.printStackTrace();
			return null;
		}
	}

	public static byte[] file(String url) {
		try {
			URL __url = new URL(url);
			HttpURLConnection conn = (HttpURLConnection) __url.openConnection();
			setRequestHeader(conn);
			ByteArrayOutputStream bos = new ByteArrayOutputStream();
			BufferedInputStream bis = new BufferedInputStream(
					conn.getInputStream());
			byte[] b = new byte[1024];
			int length = -1;
			while ((length = bis.read(b)) != -1) {
				bos.write(b, 0, length);
				bos.flush();
			}
			bis.close();
			bos.close();
			return bos.toByteArray();
		} catch (Exception e) {
			e.printStackTrace();
			return null;
		}
	}

	public static String mid(String value, String left, String right) {
		try {
			int i = value.indexOf(left) + left.length();
			return value.substring(i, value.indexOf(right, i));
		} catch (Exception e) {
			e.printStackTrace();
			return null;
		}
	}

	public static String sub(String value, String mark, int len) {
		try {
			int i = value.indexOf(mark) + mark.length();
			return value.substring(i, i + len);
		} catch (Exception e) {
			e.printStackTrace();
			return null;
		}
	}

	public static String decode(String value, String charset) {
		try {
			return URLDecoder.decode(value, charset);
		} catch (Exception e) {
			e.printStackTrace();
			return null;
		}
	}

	public static String encode(String value, String charset) {
		try {
			return URLEncoder.encode(value, charset);
		} catch (Exception e) {
			e.printStackTrace();
			return null;
		}
	}

}


package translate;

import java.util.HashMap;
import java.util.Map;


import http.NameValue;
import http.WebRequest;

public class Google {

	/**
	 * Key -> Value
	 * 语言     -> 单词表示
	 */
	private static final Map<String,String> LANGUAGE = new HashMap<String,String>();
	
	static {
		LANGUAGE.put("阿尔巴尼亚语", "sq");
		LANGUAGE.put("阿拉伯语", "ar");
		LANGUAGE.put("阿塞拜疆语", "az");
		LANGUAGE.put("爱尔兰语", "ga");
		LANGUAGE.put("爱沙尼亚语", "et");
		LANGUAGE.put("巴斯克语", "eu");
		LANGUAGE.put("白俄罗斯语", "be");
		LANGUAGE.put("保加利亚语", "bg");
		LANGUAGE.put("冰岛语", "is");
		LANGUAGE.put("波兰语", "pl");
		LANGUAGE.put("波斯语", "fa");
		LANGUAGE.put("布尔语", "af");
		LANGUAGE.put("南非荷兰语", "af");
		LANGUAGE.put("丹麦语", "da");
		LANGUAGE.put("德语", "de");
		LANGUAGE.put("俄语", "ru");
		LANGUAGE.put("法语", "fr");
		LANGUAGE.put("菲律宾语", "tl");
		LANGUAGE.put("芬兰语", "fi");
		LANGUAGE.put("格鲁吉亚语", "ka");
		LANGUAGE.put("古吉拉特语", "gu");
		LANGUAGE.put("海地克里奥尔语", "ht");
		LANGUAGE.put("韩语", "ko");
		LANGUAGE.put("荷兰语", "nl");
		LANGUAGE.put("加利西亚语", "gl");
		LANGUAGE.put("加泰罗尼亚语", "ca");
		LANGUAGE.put("捷克语", "cs");
		LANGUAGE.put("卡纳达语", "kn");
		LANGUAGE.put("克罗地亚语", "hr");
		LANGUAGE.put("拉丁语", "la");
		LANGUAGE.put("拉脱维亚语", "lv");
		LANGUAGE.put("老挝语", "lo");
		LANGUAGE.put("立陶宛语", "lt");
		LANGUAGE.put("罗马尼亚语", "ro");
		LANGUAGE.put("马耳他语", "mt");
		LANGUAGE.put("马来语", "ms");
		LANGUAGE.put("马其顿语", "mk");
		LANGUAGE.put("孟加拉语", "bn");
		LANGUAGE.put("挪威语", "no");
		LANGUAGE.put("葡萄牙语", "pt");
		LANGUAGE.put("日语", "ja");
		LANGUAGE.put("瑞典语", "sv");
		LANGUAGE.put("塞尔维亚语", "sr");
		LANGUAGE.put("世界语", "eo");
		LANGUAGE.put("斯洛伐克语", "sk");
		LANGUAGE.put("斯洛文尼亚语", "sl");
		LANGUAGE.put("斯瓦希里语", "sw");
		LANGUAGE.put("泰卢固语", "te");
		LANGUAGE.put("泰米尔语", "ta");
		LANGUAGE.put("泰语", "th");
		LANGUAGE.put("土耳其语", "tr");
		LANGUAGE.put("威尔士语", "cy");
		LANGUAGE.put("乌尔都语", "ur");
		LANGUAGE.put("乌克兰语", "uk");
		LANGUAGE.put("希伯来语", "iw");
		LANGUAGE.put("希腊语", "el");
		LANGUAGE.put("西班牙语", "es");
		LANGUAGE.put("匈牙利语", "hu");
		LANGUAGE.put("亚美尼亚语", "hy");
		LANGUAGE.put("意大利语", "it");
		LANGUAGE.put("意第绪语", "yi");
		LANGUAGE.put("印地语", "hi");
		LANGUAGE.put("印尼语", "id");
		LANGUAGE.put("英语", "en");
		LANGUAGE.put("越南语", "vi");
		LANGUAGE.put("中文繁体", "zh-TW");
		LANGUAGE.put("中文简体", "zh-CN");

	}
	/**
	 * GET 谷歌翻译
	 * @param value 待翻译的字符串
	 * @param src 源语言
	 * @param target 目标语言
	 * @return 翻译结果JSON字符串
	 */
	public static String translate(String value, String src, String target) {
		src = LANGUAGE.get(src);
		target = LANGUAGE.get(target);
		if(src == null || target == null){
			return null;
		}
		NameValue form = new NameValue();
		form.add("client", "t");
		form.add("hl", src);
		form.add("ie", "UTF-8");
		form.add("multires", 1);
		form.add("oe", "UTF-8");
		form.add("otf", 1);
		form.add("prev", "conf");
		form.add("psl", src);
		form.add("ptl", src);
		form.add("sc", 1);
		form.add("sl", src);
		form.add("ssel", 3);
		form.add("text", WebRequest.encode(value, "UTF-8"));
		form.add("tl", target);
		form.add("tsel", 6);

		return WebRequest.get("http://translate.google.cn/translate_a/t?"
				+ form.toString(), "UTF-8");
	}
	


}

package translate;

import http.WebRequest;

public class Test {
	
	public static void main(String[] args) {
		
		
		exec("How old are you", "英语","日语");
		
		exec("How old are you", "英语","中文繁体");
		
		exec("你多大年纪了","中文简体", "英语");
		
		exec("你多大年紀了","中文繁体", "日语");
	}
	/**
	 * 测试用的
	 */
	public static void exec(String a,String b,String c){
		String html = Google.translate(a,b,c);
		if(html == null){
			System.out.println("翻译失败");
		}
		System.out.println("【返回数据】");
		System.out.println(html);
		
		//解析翻译的结果.看个人需要了
		{//字符串函数解析 .也可以用json-lib 
			String s = WebRequest.mid(html, "[[[", "]]");
			String[] ss = s.split(",");
			System.out.println("【翻译结果】");
			for(int i = 0 ; i < ss.length ; i++){
				s = ss[i].substring(1,ss[i].length()-1);
				System.out.println(s);
			}
		}
	}

}