搭建百度unit2.0测试代码（Java）

更新时间：2022-08-22 08:47:04

1.主类：App.java

package haidong.haidong;

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

import org.json.JSONObject;

/**
 * Hello world!
 *
 */
public class App {
	public static void main(String[] args) {
		System.out.println(utterance("你好"));
	}

	/**
	 * 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() {
		// 官网获取的 API Key 更新为你注册的
		String clientId = "**************************";
		// 官网获取的 Secret Key 更新为你注册的
		String clientSecret = "****************************";
		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) {
		// 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);
			String 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;
	}

	private static String utterance(String say) {
		// 请求URL
		String talkUrl = "https://aip.baidubce.com/rpc/2.0/unit/bot/chat";
		try {
			// 请求参数
			String params = "{\"bot_session\":\"\",\"log_id\":\"7758521\",\"request\":{\"bernard_level\":1,\"client_session\":\"{\\\"client_results\\\":\\\"\\\", \\\"candidate_options\\\":[]}\",\"query\":\""+say+"\",\"query_info\":{\"say_hello_satisfy\":[],\"source\":\"KEYBOARD\",\"type\":\"TEXT\"},\"updates\":\"\",\"user_id\":\"88888\"},\"bot_id\":******,\"version\":\"2.0\"}";
			String accessToken = getAuth();
			String result = HttpUtil.post(talkUrl, accessToken, "application/json", params);
			return result;
		} catch (Exception e) {
			e.printStackTrace();
		}
		return null;
	}
}

2.工具类：Base64Util.java,FileUtil.java,GsonUtils.java,HttpUtil.java

package haidong.haidong;

/**
 * Base64 工具类
 */
public class Base64Util {
    private static final char last2byte = (char) Integer.parseInt("00000011", 2);
    private static final char last4byte = (char) Integer.parseInt("00001111", 2);
    private static final char last6byte = (char) Integer.parseInt("00111111", 2);
    private static final char lead6byte = (char) Integer.parseInt("11111100", 2);
    private static final char lead4byte = (char) Integer.parseInt("11110000", 2);
    private static final char lead2byte = (char) Integer.parseInt("11000000", 2);
    private static final char[] encodeTable = new char[]{'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z', 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', '+', '/'};

    public Base64Util() {
    }

    public static String encode(byte[] from) {
        StringBuilder to = new StringBuilder((int) ((double) from.length * 1.34D) + 3);
        int num = 0;
        char currentByte = 0;

        int i;
        for (i = 0; i < from.length; ++i) {
            for (num %= 8; num < 8; num += 6) {
                switch (num) {
                    case 0:
                        currentByte = (char) (from[i] & lead6byte);
                        currentByte = (char) (currentByte >>> 2);
                    case 1:
                    case 3:
                    case 5:
                    default:
                        break;
                    case 2:
                        currentByte = (char) (from[i] & last6byte);
                        break;
                    case 4:
                        currentByte = (char) (from[i] & last4byte);
                        currentByte = (char) (currentByte << 2);
                        if (i + 1 < from.length) {
                            currentByte = (char) (currentByte | (from[i + 1] & lead2byte) >>> 6);
                        }
                        break;
                    case 6:
                        currentByte = (char) (from[i] & last2byte);
                        currentByte = (char) (currentByte << 4);
                        if (i + 1 < from.length) {
                            currentByte = (char) (currentByte | (from[i + 1] & lead4byte) >>> 4);
                        }
                }

                to.append(encodeTable[currentByte]);
            }
        }

        if (to.length() % 4 != 0) {
            for (i = 4 - to.length() % 4; i > 0; --i) {
                to.append("=");
            }
        }

        return to.toString();
    }
}

package haidong.haidong;

import java.io.*;

/**
 * 文件读取工具类
 */
public class FileUtil {

    /**
     * 读取文件内容，作为字符串返回
     */
    public static String readFileAsString(String filePath) throws IOException {
        File file = new File(filePath);
        if (!file.exists()) {
            throw new FileNotFoundException(filePath);
        } 

        if (file.length() > 1024 * 1024 * 1024) {
            throw new IOException("File is too large");
        } 

        StringBuilder sb = new StringBuilder((int) (file.length()));
        // 创建字节输入流  
        FileInputStream fis = new FileInputStream(filePath);  
        // 创建一个长度为10240的Buffer
        byte[] bbuf = new byte[10240];  
        // 用于保存实际读取的字节数  
        int hasRead = 0;  
        while ( (hasRead = fis.read(bbuf)) > 0 ) {  
            sb.append(new String(bbuf, 0, hasRead));  
        }  
        fis.close();  
        return sb.toString();
    }

    /**
     * 根据文件路径读取byte[] 数组
     */
    public static byte[] readFileByBytes(String filePath) throws IOException {
        File file = new File(filePath);
        if (!file.exists()) {
            throw new FileNotFoundException(filePath);
        } else {
            ByteArrayOutputStream bos = new ByteArrayOutputStream((int) file.length());
            BufferedInputStream in = null;

            try {
                in = new BufferedInputStream(new FileInputStream(file));
                short bufSize = 1024;
                byte[] buffer = new byte[bufSize];
                int len1;
                while (-1 != (len1 = in.read(buffer, 0, bufSize))) {
                    bos.write(buffer, 0, len1);
                }

                byte[] var7 = bos.toByteArray();
                return var7;
            } finally {
                try {
                    if (in != null) {
                        in.close();
                    }
                } catch (IOException var14) {
                    var14.printStackTrace();
                }

                bos.close();
            }
        }
    }
}

/*
 * Copyright (C) 2017 Baidu, Inc. All Rights Reserved.
 */
package haidong.haidong;


import java.lang.reflect.Type;

import com.google.gson.Gson;
import com.google.gson.GsonBuilder;
import com.google.gson.JsonParseException;

/**
 * Json工具类.
 */
public class GsonUtils {
    private static Gson gson = new GsonBuilder().create();

    public static String toJson(Object value) {
        return gson.toJson(value);
    }

    public static <T> T fromJson(String json, Class<T> classOfT) throws JsonParseException {
        return gson.fromJson(json, classOfT);
    }

    public static <T> T fromJson(String json, Type typeOfT) throws JsonParseException {
        return (T) gson.fromJson(json, typeOfT);
    }
}

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

/**
 * http 工具类
 */
public class HttpUtil {

    public static String post(String requestUrl, String accessToken, String params)
            throws Exception {
        String contentType = "application/x-www-form-urlencoded";
        return HttpUtil.post(requestUrl, accessToken, contentType, params);
    }

    public static String post(String requestUrl, String accessToken, String contentType, String params)
            throws Exception {
        String encoding = "UTF-8";
        if (requestUrl.contains("nlp")) {
            encoding = "GBK";
        }
        return HttpUtil.post(requestUrl, accessToken, contentType, params, encoding);
    }

    public static String post(String requestUrl, String accessToken, String contentType, String params, String encoding)
            throws Exception {
        String url = requestUrl + "?access_token=" + accessToken;
        return HttpUtil.postGeneralUrl(url, contentType, params, encoding);
    }

    public static String postGeneralUrl(String generalUrl, String contentType, String params, String encoding)
            throws Exception {
        URL url = new URL(generalUrl);
        // 打开和URL之间的连接
        HttpURLConnection connection = (HttpURLConnection) url.openConnection();
        connection.setRequestMethod("POST");
        // 设置通用的请求属性
        connection.setRequestProperty("Content-Type", contentType);
        connection.setRequestProperty("Connection", "Keep-Alive");
        connection.setUseCaches(false);
        connection.setDoOutput(true);
        connection.setDoInput(true);

        // 得到请求的输出流对象
        DataOutputStream out = new DataOutputStream(connection.getOutputStream());
        out.write(params.getBytes(encoding));
        out.flush();
        out.close();

        // 建立实际的连接
        connection.connect();
        // 获取所有响应头字段
        Map<String, List<String>> headers = connection.getHeaderFields();
        // 遍历所有的响应头字段
        for (String key : headers.keySet()) {
            System.err.println(key + "--->" + headers.get(key));
        }
        // 定义 BufferedReader输入流来读取URL的响应
        BufferedReader in = null;
        in = new BufferedReader(
                new InputStreamReader(connection.getInputStream(), encoding));
        String result = "";
        String getLine;
        while ((getLine = in.readLine()) != null) {
            result += getLine;
        }
        in.close();
        System.err.println("result:" + result);
        return result;
    }
}

3.pom.xml配置

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
  <modelVersion>4.0.0</modelVersion>

  <groupId>haidong</groupId>
  <artifactId>haidong</artifactId>
  <version>0.0.1-SNAPSHOT</version>
  <packaging>jar</packaging>

  <name>haidong</name>
  <url>http://maven.apache.org</url>

  <properties>
    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
  </properties>

  <dependencies>
    <dependency>
      <groupId>junit</groupId>
      <artifactId>junit</artifactId>
      <version>3.8.1</version>
      <scope>test</scope>
    </dependency>
<dependency>
    <groupId>net.sf.json-lib</groupId>
    <artifactId>json-lib</artifactId>
    <version>2.4</version>
    <classifier>jdk15</classifier>
  </dependency>

  <dependency>
    <groupId>org.json</groupId>
    <artifactId>json</artifactId>
    <version>20160810</version>
  </dependency>
  <!-- https://mvnrepository.com/artifact/net.sf.ezmorph/ezmorph -->
  <dependency>
    <groupId>net.sf.ezmorph</groupId>
    <artifactId>ezmorph</artifactId>
    <version>1.0.6</version>
  </dependency>


  <!-- https://mvnrepository.com/artifact/commons-beanutils/commons-beanutils -->
  <dependency>
    <groupId>commons-beanutils</groupId>
    <artifactId>commons-beanutils</artifactId>
    <version>1.9.3</version>
  </dependency>

  <!-- https://mvnrepository.com/artifact/commons-collections/commons-collections -->
  <dependency>
    <groupId>commons-collections</groupId>
    <artifactId>commons-collections</artifactId>
    <version>3.2.2</version>
  </dependency>


  <!-- https://mvnrepository.com/artifact/org.apache.commons/commons-lang3 -->
  <dependency>
    <groupId>org.apache.commons</groupId>
    <artifactId>commons-lang3</artifactId>
    <version>3.4</version>
  </dependency>

  <!-- https://mvnrepository.com/artifact/commons-lang/commons-lang -->
  <dependency>
    <groupId>commons-lang</groupId>
    <artifactId>commons-lang</artifactId>
    <version>2.6</version>
  </dependency>

  <!-- https://mvnrepository.com/artifact/commons-logging/commons-logging -->
  <dependency>
    <groupId>commons-logging</groupId>
    <artifactId>commons-logging</artifactId>
    <version>1.2</version>
  </dependency>


  <dependency>
    <groupId>junit</groupId>
    <artifactId>junit</artifactId>
    <version>3.8.1</version>
    <scope>test</scope>
  </dependency>

  <!--用于解析json-->
  <dependency>
    <groupId>commons-io</groupId>
    <artifactId>commons-io</artifactId>
    <version>2.4</version>
  </dependency>
<dependency>
　　<groupId>com.google.code.gson</groupId>
　　<artifactId>gson</artifactId>
　　<version>2.2.4</version>
</dependency>
  </dependencies>
</project>

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搭建百度unit2.0测试代码（Java）

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