TIP：这是RestApi使用，实际在web使用中java SDK方式使用较好，本文为测试使用，包括maven搭建运行springmvc的所有代码，实际代码可直接跳到publicutil.java和speechcontroller.java。其它还有C# Android ios方式见链接中语音合成docs。

下一篇：百度语音合成java SDK使用

一.相关链接：

http://yuyin.baidu.com/docs/tts 语音合成docs

https://console.bce.baidu.com  百度控制台，可以申请语音合成等APIkey、SecretKey;

http://ai.baidu.com/forum/topic/show/496727 小帅

二.项目结构：

三.相关代码：

pom.xml

<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/maven-v4_0_0.xsd"><modelVersion>4.0.0</modelVersion><groupId>com.citywy</groupId><artifactId>BaiDuSpeech</artifactId><packaging>war</packaging><version>0.0.1-SNAPSHOT</version><name>BaiDuSpeech Maven Webapp</name><url>http://maven.apache.org</url><!-- spring的版本配置 -->  <properties><spring.version>3.2.4.RELEASE</spring.version>   <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>  </properties><dependencies><!-- spring start --><dependency><groupId>org.springframework</groupId>    <artifactId>spring-aop</artifactId>    <version>${spring.version}</version>    </dependency>    <dependency>    <groupId>org.springframework</groupId>    <artifactId>spring-aspects</artifactId>    <version>${spring.version}</version>    </dependency>    <dependency>    <groupId>org.springframework</groupId>    <artifactId>spring-beans</artifactId>    <version>${spring.version}</version>    </dependency><dependency><groupId>org.springframework</groupId>    <artifactId>spring-context</artifactId>    <version>${spring.version}</version>    </dependency><dependency><groupId>org.springframework</groupId>    <artifactId>spring-context-support</artifactId>    <version>${spring.version}</version>    </dependency><dependency><groupId>org.springframework</groupId>    <artifactId>spring-core</artifactId>    <version>${spring.version}</version>    </dependency><dependency><groupId>org.springframework</groupId>    <artifactId>spring-expression</artifactId>    <version>${spring.version}</version>    </dependency><dependency><groupId>org.springframework</groupId>    <artifactId>spring-jdbc</artifactId>    <version>${spring.version}</version>    </dependency><dependency>    <groupId>org.springframework</groupId>    <artifactId>spring-orm</artifactId>    <version>${spring.version}</version>    </dependency>    <dependency>    <groupId>org.springframework</groupId>    <artifactId>spring-test</artifactId>    <version>${spring.version}</version>    </dependency>    <dependency>    <groupId>org.springframework</groupId>    <artifactId>spring-tx</artifactId>    <version>${spring.version}</version>    </dependency>    <dependency>    <groupId>org.springframework</groupId>    <artifactId>spring-web</artifactId>    <version>${spring.version}</version>    </dependency><dependency>   <groupId>org.springframework</groupId>    <artifactId>spring-webmvc</artifactId>    <version>${spring.version}</version>    </dependency><!-- spring end --><!-- servlet --><dependency><groupId>javax.servlet</groupId><artifactId>servlet-api</artifactId><version>3.0-alpha-1</version><scope>provided</scope></dependency><!-- https://mvnrepository.com/artifact/jstl/jstl --><dependency><groupId>jstl</groupId><artifactId>jstl</artifactId><version>1.2</version></dependency><!-- 文件上传 --><dependency><groupId>commons-io</groupId>  <artifactId>commons-io</artifactId>  <version>2.4</version></dependency><dependency><groupId>commons-fileupload</groupId><artifactId>commons-fileupload</artifactId>  <version>1.2.2</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>org.json</groupId><artifactId>json</artifactId><version>20180130</version></dependency></dependencies><build><finalName>BaiDuSpeech</finalName><plugins><!-- 使用jetty运行 --><plugin><groupId>org.mortbay.jetty</groupId><artifactId>maven-jetty-plugin</artifactId><version>6.1.10</version><configuration><!-- 热部署，大于0为开启 --><scanIntervalSeconds>3</scanIntervalSeconds><webAppConfig><contextPath>/</contextPath></webAppConfig><connectors><connector implementation="org.mortbay.jetty.nio.SelectChannelConnector"><!-- 端口，可修改 --><port>80</port></connector></connectors></configuration></plugin></plugins></build>
</project>

springmvc.xml和web.xml

<beans xmlns="http://www.springframework.org/schema/beans"  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:mvc="http://www.springframework.org/schema/mvc"  xmlns:context="http://www.springframework.org/schema/context"  xmlns:aop="http://www.springframework.org/schema/aop" xmlns:tx="http://www.springframework.org/schema/tx"  xsi:schemaLocation="http://www.springframework.org/schema/beans   http://www.springframework.org/schema/beans/spring-beans-3.2.xsd   http://www.springframework.org/schema/mvc   http://www.springframework.org/schema/mvc/spring-mvc-3.2.xsd   http://www.springframework.org/schema/context   http://www.springframework.org/schema/context/spring-context-3.2.xsd   http://www.springframework.org/schema/aop   http://www.springframework.org/schema/aop/spring-aop-3.2.xsd   http://www.springframework.org/schema/tx   http://www.springframework.org/schema/tx/spring-tx-3.2.xsd ">  <!-- 自动扫描包下面的文件，类上带有@Controller的会注册为bean -->  <context:component-scan base-package="com.citywy.view"></context:component-scan>  <!-- 代替处理器映射器、处理器适配器 ,mvc注解驱动--><mvc:annotation-driven/><bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">  <property name="prefix" value="/"/><property name="suffix" value=".jsp"/></bean>
</beans>

<?xml version="1.0" encoding="UTF-8"?>  
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd" id="WebApp_ID" version="3.0"><filter>    <filter-name>encodingFilter</filter-name>    <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>    <init-param>    <param-name>encoding</param-name>    <param-value>UTF-8</param-value>    </init-param>    <init-param>    <param-name>forceEncoding</param-name>    <param-value>true</param-value>    </init-param>    </filter><filter-mapping><filter-name>encodingFilter</filter-name>    <url-pattern>/*</url-pattern>    </filter-mapping><display-name>BaiDuSpeech</display-name>  <welcome-file-list><welcome-file>index.html</welcome-file>  <welcome-file>index.htm</welcome-file>  <welcome-file>index.jsp</welcome-file>  <welcome-file>default.html</welcome-file>  <welcome-file>default.htm</welcome-file>  <welcome-file>default.jsp</welcome-file>  </welcome-file-list><!-- springmvc请求处理 --><servlet><servlet-name>springmvc</servlet-name>  <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>  <init-param><param-name>contextConfigLocation</param-name>  <param-value>classpath:springmvc.xml</param-value>  </init-param></servlet><servlet-mapping><servlet-name>springmvc</servlet-name>  <url-pattern>*.htm</url-pattern>  </servlet-mapping>
</web-app>  

publicutil.java

package com.citywy.util;import java.io.BufferedReader;
import java.io.DataOutputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.URL;
import java.util.Date;
import java.util.List;
import java.util.Map;
import java.util.Random;import org.json.JSONObject;public class PublicUtil {/*** 获取权限token.AccessToken有效期为一个月，开发者需要对Access Token的有效性进行判断，如果Access Token过期可以重新获取* @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 = "百度云应用的AK";// 官网获取的 Secret Key 更新为你注册的String clientSecret = "百度云应用的SK";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://openapi.baidu.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;}/*** 语音合成HTTP方法* @param requestUrl 请求的接口地址 拼接access_token后的* @param params 语音合成的参数* @throws Exception*/public static String postVoice(String requestUrl,String params) throws Exception {String workspace = System.getProperty("user.home");String path = workspace+"/text2audio/";try {if (!(new File(path).isDirectory())) {new File(path).mkdir();}} catch (SecurityException e) {e.printStackTrace();}String filePath = path+"VOICE"+new Date().getTime()/1000+".mp3";String generalUrl = requestUrl;URL url = new URL(generalUrl);System.out.println(generalUrl);// 打开和URL之间的连接HttpURLConnection connection = (HttpURLConnection) url.openConnection();System.out.println("打开链接，开始发送请求"+new Date().getTime()/1000);connection.setRequestMethod("POST");// 设置通用的请求属性connection.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");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.writeBytes(params);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.out.println(key + "--->" + headers.get(key));}// 定义 BufferedReader输入流来读取URL的响应InputStream inputStream = connection.getInputStream();FileOutputStream outputStream = new FileOutputStream(filePath);byte[] buffer = new byte[1024];int len = -1;while ((len=inputStream.read(buffer))!=-1) {outputStream.write(buffer,0,len);}outputStream.close();System.out.println("请求结束"+new Date().getTime()/1000);System.out.println("MP3文件保存目录:" + filePath);return filePath;}/*** 获取一定长度的随机字符串* @param length 指定字符串长度* @return 一定长度的字符串*/public static String getRandomStringByLength(int length) {String base = "abcdefghijklmnopqrstuvwxyz0123456789";Random random = new Random();StringBuffer sb = new StringBuffer();for (int i = 0; i < length; i++) {int number = random.nextInt(base.length());sb.append(base.charAt(number));}return sb.toString();}}

SpeechController.java

package com.citywy.view;import java.net.URLEncoder;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.springframework.context.annotation.Scope;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.servlet.ModelAndView;
import com.citywy.util.PublicUtil;@Controller
@Scope("prototype")
public class SpeechController {public String TEXT2AUDIO_URL = "http://tsn.baidu.com/text2audio";//Rest Api@RequestMapping("rest")public ModelAndView speechRestApi(HttpServletRequest request,HttpServletResponse response) throws Exception{ModelAndView res=new ModelAndView("index");//获取access_tokenString token=PublicUtil.getAuth();//语音合成text2Audio("百度语音合成，我觉得妞妞说话最可爱！", token, "1", PublicUtil.getRandomStringByLength(50));return res;}/*** 所有参数方法* @Title text2Audio* @param tex	必填	合成的文本，使用UTF-8编码，请注意文本长度必须小于1024字节* @param lan	必填	语言选择,填写zh* @param tok	必填	开放平台获取到的开发者access_token* @param ctp	必填	客户端类型选择，web端填写1* @param cuid	必填	用户唯一标识，用来区分用户，填写机器 MAC 地址或 IMEI 码，长度为60以内* @param spd	选填	语速，取值0-9，默认为5中语速* @param pit	选填	音调，取值0-9，默认为5中语调* @param vol	选填	音量，取值0-9，默认为5中音量* @param per	选填	发音人选择, 0为女声，1为男声，3为情感合成-度逍遥，4为情感合成-度丫丫，默认为普通女声*/public void text2Audio(String tex,String tok,String ctp,String cuid,String spd,String pit,String vol,String per) throws Exception{String params = "tex=" + URLEncoder.encode(tex, "UTF-8")+ "&lan=zh&cuid=" + cuid + "&ctp=1&tok=" + tok + "&spd=" + spd+ "&pit=" + pit + "&vol=" + vol + "&per=" + per;System.out.println(params);String data = PublicUtil.postVoice(TEXT2AUDIO_URL,params);System.out.println("文件保存路径:"+data);}/*** 必填参数方法* @Title text2Audio* @param tex	必填	合成的文本，使用UTF-8编码，请注意文本长度必须小于1024字节* @param lan	必填	语言选择,填写zh* @param tok	必填	开放平台获取到的开发者access_token* @param ctp	必填	客户端类型选择，web端填写1* @param cuid	必填	用户唯一标识，用来区分用户，填写机器 MAC 地址或 IMEI 码，长度为60以内*/@SuppressWarnings("static-access")public void text2Audio(String tex,String tok,String ctp,String cuid) throws Exception{String params = "tex=" + URLEncoder.encode(tex, "UTF-8")+ "&lan=zh&cuid=" + cuid + "&ctp=1&tok=" + tok;System.out.println(params);String data = PublicUtil.postVoice(TEXT2AUDIO_URL,params);System.out.println("文件保存路径:"+data);}
}