使用google翻译 api 翻译中文成其他语言_接口返回message 使用google 翻译成指定语言-优快云博客

本文介绍了一种使用Java语言实现调用Google翻译API的方法。通过构建HTTP GET请求，该程序能够将中文文本翻译成英文。具体步骤包括构建带有必要参数的URL、发送GET请求并解析返回的JSON数据以获取翻译后的文本。

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public class Translate {

    public static void main(String[] args) {
        // TODO Auto-generated method stub
        translate("我想   喝水,我要回老家了");
    }


    public static String en = "";
    public static void translate(String cn) {
        String url = "http://translate.google.cn/translate_a/single?client=gtx&sl=zh-CN&tl=en&dt=t&q=googleq="+cn.trim(); //sl,tl参数可换成其他国家
        String content = sendGet(url);
        content = getTransString(content);
        System.out.println(content);
    }

    public static String getTransString(String org) {
        String first = "\"Googleq=";
        String s = org.substring(org.indexOf(first)+first.length(), org.indexOf("\",\""));
        return s;
    }


    public static String sendGet(String url) {
        StringBuilder result = new StringBuilder();
        BufferedReader in = null;
        try {
            URL realUrl = new URL(url);
            // 打开和URL之间的连接
            URLConnection connection = realUrl.openConnection();
            // 设置通用的请求属性
            connection.setRequestProperty("accept", "*/*");
            connection.setRequestProperty("connection", "Keep-Alive");
            connection.setRequestProperty("user-agent",
                    "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
            connection.setRequestProperty("Accept-Charset", "UTF-8");
            connection.setRequestProperty("contentType", "UTF-8");
            // 建立实际的连接
            connection.connect();
            // 遍历所有的响应头字段
            // for (String key : map.keySet()) {
            // System.out.println(key + "--->" + map.get(key));
            // }
            // 定义 BufferedReader输入流来读取URL的响应
            in = new BufferedReader(new InputStreamReader(
                    connection.getInputStream(), "utf-8"));
            String line;
            while ((line = in.readLine()) != null) {
                result.append(line);
            }
        } catch (Exception e) {
            //System.out.println("发送GET请求出现异常！" + e);
            result = new StringBuilder("{\"resCode\":\"1\",\"errCode\":\"1001\",\"resData\":\"\"}");
            e.printStackTrace();
        }
        // 使用finally块来关闭输入流
        finally {
            try {
                if (in != null) {
                    in.close();
                }
            } catch (Exception e2) {
                e2.printStackTrace();
            }
        }

        return result.toString();
    }

    public static String sendPost(String url, String param) {

        PrintWriter out = null;
        BufferedReader in = null;
        StringBuilder result = new StringBuilder();
        try {
            URL realUrl = new URL(url);
            // 打开和URL之间的连接
            URLConnection conn = realUrl.openConnection();
            // 设置通用的请求属性
            conn.setRequestProperty("accept", "*/*");
            conn.setRequestProperty("connection", "Keep-Alive");
            conn.setRequestProperty("user-agent",
                    "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
            conn.setRequestProperty("Accept-Charset", "UTF-8");
            conn.setRequestProperty("contentType", "UTF-8");
            // 发送POST请求必须设置如下两行
            conn.setDoOutput(true);
            conn.setDoInput(true);
            // 获取URLConnection对象对应的输出流
            out = new PrintWriter(conn.getOutputStream());
            // 发送请求参数
            out.print(param);
            // flush输出流的缓冲
            out.flush();
            // 定义BufferedReader输入流来读取URL的响应
            in = new BufferedReader(
                    new InputStreamReader(conn.getInputStream()));
            String line;
            while ((line = in.readLine()) != null) {
                result.append(line);
            }
        } catch (Exception e) {
            //System.out.println("发送 POST 请求出现异常！" + e);
            result = new StringBuilder("{\"resCode\":\"1\",\"errCode\":\"1001\",\"resData\":\"\"}");
            e.printStackTrace();
        }
        // 使用finally块来关闭输出流、输入流
        finally {
            try {
                if (out != null) {
                    out.close();
                }
                if (in != null) {
                    in.close();
                }
            } catch (IOException ex) {
                ex.printStackTrace();
            }
        }

        return result.toString();
    }

}