百度翻译开放平台api调用

首先是文档地址

http://api.fanyi.baidu.com/api/trans/product/apidoc#joinFile

然后配合md5加密类集成

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package com.vshow.control.tool.translate;

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

import net.sf.json.JSONObject;

public class TransApi {
	private static final String TRANS_API_HOST = "http://api.fanyi.baidu.com/api/trans/vip/translate";
private String appid;
private String securityKey;

private static final String APP_ID = "";//appid

private static final String SECURITY_KEY = "";//分配的密匙

public TransApi(String appid, String securityKey) {
	this.appid = appid;
	this.securityKey = securityKey;
}
	/**
	 * @param query 请求翻译的语言
	 * @param from  请求翻译的语言的语种
	 * @param to    翻译结果的语种
	 * @return
	 */
public String getTransResult(String query, String from, String to) {
	Map<String, String> params = buildParams(query, from, to);
	return HttpGet.get(TRANS_API_HOST, params);
}

private Map<String, String> buildParams(String query, String from, String to) {
	Map<String, String> params = new HashMap<String, String>();
	params.put("q", query);
	params.put("from", from);
	params.put("to", to);

	params.put("appid", appid);

	// 随机数
	String salt = String.valueOf(System.currentTimeMillis());
	params.put("salt", salt);

	// 签名
	String src = appid + query + salt + securityKey; // 加密前的原文
	params.put("sign", MD5.md5(src));

	return params;
}

public static String getTransResultEn(String query) {

	TransApi api = new TransApi(APP_ID, SECURITY_KEY);

	String result = api.getTransResult(query, "auto", "en");

	JSONObject jsonObject = JSONObject.fromObject(result);

	try {
		String resultStr =JSONObject.fromObject(jsonObject.getJSONArray("trans_result").get(0)).get("dst")
		+ "";
		if(resultStr.equals("Yin")){
			resultStr="Cloudy";
		}else if(resultStr.equals("yin")){
			resultStr="Cloudy";
		}
		return resultStr;
	} catch (Exception e) {
		// TODO: handle exception
		return "";
	}

}

}

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