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);
}
}
}

}