ICode9

精准搜索请尝试: 精确搜索
首页 > 编程语言> 文章详细

Android/Java获取百度UNIT对话API服务

2021-09-21 09:06:32  阅读:169  来源: 互联网

标签:java String new token API import put Java Android


获取token类
AuthService.java

package com.example.myapp.util;

import org.json.JSONObject;

import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.URL;
import java.util.List;
import java.util.Map;

/**
 * 获取token类
 */
public class AuthService {
    public static String access_token = "";

    /**
     * 获取权限token
     *
     * @return 返回示例:
     * {
     * "access_token": "24.460da4889caad24cccdb1fea17221975.2592000.1491995545.282335-1234567",
     * "expires_in": 2592000
     * }
     */
    public static String getAuth() {
        String clientId = "此处填写官网获取的 API Key";
        String clientSecret = "此处填写官网获取的 Secret Key";
        return getAuth(clientId, clientSecret);
    }

    /**
     * 获取API访问token
     * 该token有一定的有效期,需要自行管理,当失效时需重新获取.
     *
     * @param ak - 百度云官网获取的 API Key
     * @param sk - 百度云官网获取的 Securet Key
     * @return assess_token 示例:
     * "24.460da4889caad24cccdb1fea17221975.2592000.1491995545.282335-1234567"
     */
    public static String getAuth(String ak, String sk) {

        if (!access_token.equals("")) {
            return access_token;
        }


        // 获取token地址
        String authHost = "https://aip.baidubce.com/oauth/2.0/token?";
        String getAccessTokenUrl = authHost
                // 1. grant_type为固定参数
                + "grant_type=client_credentials"
                // 2. 官网获取的 API Key
                + "&client_id=" + ak
                // 3. 官网获取的 Secret Key
                + "&client_secret=" + sk;
        try {
            URL realUrl = new URL(getAccessTokenUrl);
            // 打开和URL之间的连接
            HttpURLConnection connection = (HttpURLConnection) realUrl.openConnection();
            connection.setRequestMethod("GET");
            connection.connect();
            // 获取所有响应头字段
            Map<String, List<String>> map = connection.getHeaderFields();
            // 遍历所有的响应头字段
//            for (String key : map.keySet()) {
//                System.err.println(key + "--->" + map.get(key));
//            }
            // 定义 BufferedReader输入流来读取URL的响应
            BufferedReader in = new BufferedReader(new InputStreamReader(connection.getInputStream()));
            String result = "";
            String line;
            while ((line = in.readLine()) != null) {
                result += line;
            }
            /**
             * 返回结果示例
             */
//            System.err.println("result:" + result);
            JSONObject jsonObject = new JSONObject(result);
            access_token = jsonObject.getString("access_token");
            return access_token;
        } catch (Exception e) {
            System.err.printf("获取token失败!");
            e.printStackTrace(System.err);
        }
        return null;
    }
}

获取Unit服务
UnitService.java

package com.example.myapp.util;


import com.google.gson.Gson;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.net.HttpURLConnection;
import java.net.URL;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.UUID;

/*
 * unit对话服务
 */
public class UnitService {
    /**
     * 重要提示代码中所需工具类
     * FileUtil,Base64Util,HttpUtil,GsonUtils请从
     * https://ai.baidu.com/file/658A35ABAB2D404FBF903F64D47C1F72
     * https://ai.baidu.com/file/C8D81F3301E24D2892968F09AE1AD6E2
     * https://ai.baidu.com/file/544D677F5D4E4F17B4122FBD60DB82B3
     * https://ai.baidu.com/file/470B3ACCA3FE43788B5A963BF0B625F3
     * 下载
     */
    public static String utterance(String query,String session_id,String log_id) {
        // 请求URL
        String talkUrl = "https://aip.baidubce.com/rpc/2.0/unit/service/chat";
//        String talkUrl = "https://aip.baidubce.com/rpc/2.0/unit/bot/chat";
        //请求的参数用map封装
        Map<String, Object> map = new HashMap<>();
        Map<String, Object> mapRequest = new HashMap<>();
        Map<String, Object> mapQueryInfo = new HashMap<>();
        Map<String, Object> mapClientSession = new HashMap<>();
        List<String> asrCandidatesList = new ArrayList<>();
        List<String> candidateOptionsList = new ArrayList<>();
        List<String> skillList = new ArrayList<>();
        skillList.add("1094636");
        skillList.add("1094633");
        skillList.add("1094635");
        skillList.add("1094634");
        map.put("request", mapRequest);
        /*
         *  技能唯一标识,在『我的技能』的技能列表中第一列数字即为bot_id
         */
        //map.put("bot_id", 1094636); // 技能id
        map.put("skill_ids", skillList); // 技能id
        map.put("service_id", "S51502"); // 技能id
        map.put("version", "2.0");
        map.put("session_id", session_id);
        map.put("log_id", log_id);
        /**
         *  系统自动发现不置信意图/词槽,
         *  并据此主动发起澄清确认的敏感程度。
         *  取值范围:0(关闭)、1(中敏感度)、2(高敏感度)。
         *  取值越高BOT主动发起澄清的频率就越高,建议值为1
         */
        mapRequest.put("bernard_level", 1);
        mapRequest.put("query", query);
        mapRequest.put("query_info", mapQueryInfo);
        mapRequest.put("updates", "");
        mapRequest.put("user_id", "UNIT_WEB_37819");
        mapQueryInfo.put("asr_candidates", asrCandidatesList);
        // 请求信息来源,可选值:"ASR","KEYBOARD"。ASR为语音输入,KEYBOARD为键盘文本输入。针对ASR输入,UNIT平台内置了纠错机制,会尝试解决语音输入中的一些常见错误
        mapQueryInfo.put("source", "KEYBOARD");
        mapQueryInfo.put("type", "TEXT");
        String clientSession = "";
        mapClientSession.put("client_results", "");
        mapClientSession.put("candidate_options", candidateOptionsList);

        mapRequest.put("client_session", clientSession);
//        System.out.println(clientSession);

        try {
            // 请求参数

            String params = new Gson().toJson(map);
//            System.out.println(params);
            String accessToken = AuthService.getAuth();
            String result = post(talkUrl, accessToken, params);
            System.out.println(" result: " + result);
            return result;
        } catch (Exception e) {
            e.printStackTrace();
        }
        return null;
    }

    public static String post(String url, String accessToken, String param) {
        OutputStreamWriter out = null;
        BufferedReader reader = null;
        String response = "";

        //创建连接
        try {
            URL httpUrl = null; //HTTP URL类 用这个类来创建连接
            //创建URL
            httpUrl = new URL(url + "?access_token=" + accessToken);
            //建立连接
            HttpURLConnection conn = (HttpURLConnection) httpUrl.openConnection();
            conn.setRequestMethod("POST");
            conn.setRequestProperty("Content-Type", "application/json");
            conn.setRequestProperty("connection", "keep-alive");
            conn.setUseCaches(false);//设置不要缓存
            conn.setInstanceFollowRedirects(true);
            conn.setDoOutput(true);
            conn.setDoInput(true);
            conn.connect();
            //POST请求
            out = new OutputStreamWriter(
                    conn.getOutputStream());
            out.write(param);
            out.flush();
            //读取响应
            reader = new BufferedReader(new InputStreamReader(
                    conn.getInputStream()));
            String lines;
            while ((lines = reader.readLine()) != null) {
                lines = new String(lines.getBytes(), "utf-8");
                response += lines;
            }
            reader.close();
            // 断开连接
            conn.disconnect();

        } catch (Exception e) {
            System.out.println("发送 POST 请求出现异常!" + e);
            e.printStackTrace();
        }
        //使用finally块来关闭输出流、输入流
        finally {
            try {
                if (out != null) {
                    out.close();
                }
                if (reader != null) {
                    reader.close();
                }
            } catch (IOException ex) {
                ex.printStackTrace();
            }
        }

        return response;
    }


}

字符解析工具
StringUtils.java

package com.example.myapp.util;

public class StringUtils {
    public static boolean isEmpty(String str){
        if(str == null || str.length()<=0){
            return true;
        }else{
            return false;
        }
    }
}

AppConfig.java

package com.example.myapp.util;

public class AppConfig {
    public static final String BASE_URl = "http://192.168.31.32:8080/renren-fast";
}

标签:java,String,new,token,API,import,put,Java,Android
来源: https://blog.csdn.net/qq_43788498/article/details/120398382

本站声明: 1. iCode9 技术分享网(下文简称本站)提供的所有内容,仅供技术学习、探讨和分享;
2. 关于本站的所有留言、评论、转载及引用,纯属内容发起人的个人观点,与本站观点和立场无关;
3. 关于本站的所有言论和文字,纯属内容发起人的个人观点,与本站观点和立场无关;
4. 本站文章均是网友提供,不完全保证技术分享内容的完整性、准确性、时效性、风险性和版权归属;如您发现该文章侵犯了您的权益,可联系我们第一时间进行删除;
5. 本站为非盈利性的个人网站,所有内容不会用来进行牟利,也不会利用任何形式的广告来间接获益,纯粹是为了广大技术爱好者提供技术内容和技术思想的分享性交流网站。

专注分享技术,共同学习,共同进步。侵权联系[81616952@qq.com]

Copyright (C)ICode9.com, All Rights Reserved.

ICode9版权所有