搭建百度unit2.0测试代码（Java）

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>