Java文字转语音功能实现
也许，有些时候，你需要这个需求呢，来上代码
我会写出两种不同方式的文字转语音demo，直接copy走用，节省开发时间
git项目下载地址
1.直接使用jdk的 jacob，效果还不错，特点：免费的
2.百度文字转语音，特点：大厂的API肯定好用，功能不少，这个如果是企业开发，推荐使用，需要收费的，可以直接申请账号注册，有appid 等参数，配置好直接用
项目demo，需要的去git下载吧
需要下载jacob-1.18，网上一堆
项目中引入pom文件
<!-- https://mvnrepository.com/artifact/com.jacob/jacob 文字转语音 -->
<dependency>
<groupId>com.hynnet</groupId>
<artifactId>jacob</artifactId>
<version>1.18</version>
</dependency>
1.java合成方法
package com.jourwon.httpclient.util;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.InputStream;
import com.jacob.activeX.ActiveXComponent;
import com.jacob.com.Dispatch;
import com.jacob.com.Variant;
public class Test {
/**
* 语音转文字并播放
*
* @param txt
*/
public static void textToSpeech(String text) {
ActiveXComponent ax = null;
try {
ax = new ActiveXComponent("Sapi.SpVoice");
// 运行时输出语音内容
Dispatch spVoice = ax.getObject();
// 音量 0-100
ax.setProperty("Volume", new Variant(100));
// 语音朗读速度 -10 到 +10
ax.setProperty("Rate", new Variant(-2));
// 执行朗读
Dispatch.call(spVoice, "Speak", new Variant(text));
// 下面是构建文件流把生成语音文件
ax = new ActiveXComponent("Sapi.SpFileStream");
Dispatch spFileStream = ax.getObject();
ax = new ActiveXComponent("Sapi.SpAudioFormat");
Dispatch spAudioFormat = ax.getObject();
// 设置音频流格式
Dispatch.put(spAudioFormat, "Type", new Variant(22));
// 设置文件输出流格式
Dispatch.putRef(spFileStream, "Format", spAudioFormat);
// 调用输出 文件流打开方法，创建一个.wav文件
Dispatch.call(spFileStream, "Open", new Variant("./text.mp3"), new Variant(3), new Variant(true));
// 设置声音对象的音频输出流为输出文件对象
Dispatch.putRef(spVoice, "AudioOutputStream", spFileStream);
// 设置音量 0到100
Dispatch.put(spVoice, "Volume", new Variant(100));
// 设置朗读速度
Dispatch.put(spVoice, "Rate", new Variant(-2));
// 开始朗读
Dispatch.call(spVoice, "Speak", new Variant(text));
// 关闭输出文件
Dispatch.call(spFileStream, "Close");
Dispatch.putRef(spVoice, "AudioOutputStream", null);
spAudioFormat.safeRelease();
spFileStream.safeRelease();
spVoice.safeRelease();
ax.safeRelease();
} catch (Exception e) {
e.printStackTrace();
}
}
public static void main(String[] args) {
String s = "当月亮和太阳处于地球两侧，并且月亮和太阳的黄经相差180度时，从地球上看，此时的月亮最圆，称之为“满月”";
textToSpeech(s);
File file = new File("result.mp3"); // 打开mp3文件即可播放
String fileName = "Operator.doc".toString(); // 文件的默认保存名
// 读到流中
try {
InputStream inStream = new FileInputStream("c:/Operator.doc");
} catch (FileNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} // 文件的存放路径
}
}
2.百度语音合成方法
package com.jourwon.httpclient.util;
import java.io.File;
import java.io.FileOutputStream;
import java.net.HttpURLConnection;
import java.net.URL;
public class TtsMain {
public static void main(String[] args) throws Exception {
(new TtsMain()).run();
}
// 填写申请百度语音申请的appkey 申请地址：百度AI开放平台
private final String appKey = "自己申请";
// 填写申请百度语音申请的APP SECRET
private final String secretKey = "自己申请";
// text 的内容为"欢迎使用百度语音合成"的urlencode,utf-8 编码
private final String text = "百度百科是百度公司推出的一部内容开放、自由的网络百科全书。";
// 发音人选择, 0为普通女声，1为普通男生，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
private final int per = 0;
// 语速，取值0-9，默认为5中语速
private final int spd = 5;
// 音调，取值0-9，默认为5中语调
private final int pit = 5;
// 音量，取值0-9，默认为5中音量
private final int vol = 5;
// 调用地址
public final String url = "https://tsn.baidu.com/text2audio";
// 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
private String cuid = "0322java";
private void run() throws Exception {
TokenHolder holder = new TokenHolder(appKey, secretKey, TokenHolder.ASR_SCOPE);
holder.resfresh();
String token = holder.getToken();
String url2 = url + "?tex=" + ConnUtil.urlEncode(text);
url2 += "&per=" + per;
url2 += "&spd=" + spd;
url2 += "&pit=" + pit;
url2 += "&vol=" + vol;
url2 += "&cuid=" + cuid;
url2 += "&tok=" + token;
url2 += "&lan=zh&ctp=1";
HttpURLConnection conn = (HttpURLConnection) new URL(url2).openConnection();
conn.setConnectTimeout(5000);
String contentType = conn.getContentType();
if (contentType.contains("mp3")) {
byte[] bytes = ConnUtil.getResponseBytes(conn);
// 存在项目根目录下，去文件夹点击可以播放
File file = new File("result.mp3");
FileOutputStream os = new FileOutputStream(file);
os.write(bytes);
os.close();
System.out.println("mp3 file write to " + file.getAbsolutePath());
} else {
System.err.println("ERROR: content-type= " + contentType);
String res = ConnUtil.getResponseString(conn);
System.err.println(res);
}
}
}
//工具类
package com.jourwon.httpclient.util;
import org.json.JSONObject;
import java.io.IOException;
import java.net.HttpURLConnection;
import java.net.URL;
/**
* token的获取类 将apiKey和secretKey换取token，注意有效期保存在expiresAt
*/
public class TokenHolder {
public static final String ASR_SCOPE = "audio_voice_assistant_get";
public static final String TTS_SCOPE = "audio_tts_post";
/**
* url , Token的url，http可以改为https
*/
private static final String url = "http://openapi.baidu.com/oauth/2.0/token";
/**
* asr的权限 scope 是 "audio_voice_assistant_get" tts 的权限 scope 是
* "audio_tts_post"
*/
private String scope;
/**
* 网页上申请语音识别应用获取的apiKey
*/
private String apiKey;
/**
* 网页上申请语音识别应用获取的secretKey
*/
private String secretKey;
/**
* 保存访问接口获取的token
*/
private String token;
/**
* 当前的时间戳，毫秒
*/
private long expiresAt;
/**
* @param apiKey
* 网页上申请语音识别应用获取的apiKey
* @param secretKey
* 网页上申请语音识别应用获取的secretKey
*/
public TokenHolder(String apiKey, String secretKey, String scope) {
this.apiKey = apiKey;
this.secretKey = secretKey;
this.scope = scope;
}
/**
* 获取token，refresh 方法后调用有效
*
* @return
*/
public String getToken() {
return token;
}
/**
* 获取过期时间，refresh 方法后调用有效
*
* @return
*/
public long getExpiresAt() {
return expiresAt;
}
/**
* 获取token
*
* @return
* @throws IOException
* http请求错误
* @throws DemoException
* http接口返回不是 200, access_token未获取
*/
public void resfresh() throws Exception {
String getTokenURL = url + "?grant_type=client_credentials" + "&client_id=" + ConnUtil.urlEncode(apiKey)
+ "&client_secret=" + ConnUtil.urlEncode(secretKey);
// 打印的url出来放到浏览器内可以复现
System.out.println("token url:" + getTokenURL);
URL url = new URL(getTokenURL);
HttpURLConnection conn = (HttpURLConnection) url.openConnection();
conn.setConnectTimeout(5000);
String result = ConnUtil.getResponseString(conn);
System.out.println("Token result json:" + result);
parseJson(result);
}
/**
* @param result
* token接口获得的result
* @throws DemoException
*/
private void parseJson(String result) throws Exception {
JSONObject json = new JSONObject(result);
if (!json.has("access_token")) {
// 返回没有access_token字段
throw new DemoException("access_token not obtained, " + result);
}
if (!json.has("scope")) {
// 返回没有scope字段
throw new DemoException("scopenot obtained, " + result);
}
if (!json.getString("scope").contains(scope)) {
throw new DemoException("scope not exist, " + scope + "," + result);
}
token = json.getString("access_token");
expiresAt = System.currentTimeMillis() + json.getLong("expires_in") * 1000;
}
}
//异常处理
package com.jourwon.httpclient.util;
public class DemoException extends Exception {
public DemoException(String message) {
super(message);
}
}
//util相关类
package com.jourwon.httpclient.util;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.UnsupportedEncodingException;
import java.net.HttpURLConnection;
import java.net.URLEncoder;
/**
* 与连接相关的Util类
*/
public class ConnUtil {
/**
* UrlEncode， UTF-8 编码
*
* @param str
* 原始字符串
* @return
*/
public static String urlEncode(String str) {
String result = null;
try {
result = URLEncoder.encode(str, "UTF-8");
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
}
return result;
}
/**
* 从HttpURLConnection 获取返回的字符串
*
* @param conn
* @return
* @throws IOException
* @throws DemoException
*/
public static String getResponseString(HttpURLConnection conn) throws IOException, DemoException {
return new String(getResponseBytes(conn));
}
/**
* 从HttpURLConnection 获取返回的bytes 注意 HttpURLConnection自身问题，
* 400类错误，会直接抛出异常。不能获取conn.getInputStream();
*
* @param conn
* @return
* @throws IOException
* http请求错误
* @throws DemoException
* http 的状态码不是 200
*/
public static byte[] getResponseBytes(HttpURLConnection conn) throws IOException, DemoException {
int responseCode = conn.getResponseCode();
if (responseCode != 200) {
System.err.println("http 请求返回的状态码错误，期望200， 当前是 " + responseCode);
if (responseCode == 401) {
System.err.println("可能是appkey appSecret 填错");
}
throw new DemoException("http response code is" + responseCode);
}
InputStream inputStream = conn.getInputStream();
byte[] result = getInputStreamContent(inputStream);
return result;
}
/**
* 将InputStream内的内容全部读取，作为bytes返回
*
* @param is
* @return
* @throws IOException
* @see InputStream.read()
*/
public static byte[] getInputStreamContent(InputStream is) throws IOException {
byte[] b = new byte[1024];
// 定义一个输出流存储接收到的数据
ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
// 开始接收数据
int len = 0;
while (true) {
len = is.read(b);
if (len == -1) {
// 数据读完
break;
}
byteArrayOutputStream.write(b, 0, len);
}
return byteArrayOutputStream.toByteArray();
}
}
//http工具类
package com.jourwon.httpclient.util;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;
import org.apache.http.HttpStatus;
import org.apache.http.NameValuePair;
import org.apache.http.client.config.RequestConfig;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpDelete;
import org.apache.http.client.methods.HttpEntityEnclosingRequestBase;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.client.methods.HttpPut;
import org.apache.http.client.methods.HttpRequestBase;
import org.apache.http.client.utils.URIBuilder;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.util.EntityUtils;
import com.jourwon.httpclient.pojo.HttpClientResult;
/**
* Description: httpClient工具类
*
* @author JourWon
* @date Created on 2018年4月19日
*/
public class HttpClientUtils {
// 编码格式。发送编码格式统一用UTF-8
private static final String ENCODING = "UTF-8";
// 设置连接超时时间，单位毫秒。
private static final int CONNECT_TIMEOUT = 6000;
// 请求获取数据的超时时间(即响应时间)，单位毫秒。
private static final int SOCKET_TIMEOUT = 6000;
/**
* 发送get请求；不带请求头和请求参数
*
* @param url 请求地址
* @return
* @throws Exception
*/
public static HttpClientResult doGet(String url) throws Exception {
return doGet(url, null, null);
}
/**
* 发送get请求；带请求参数
*
* @param url 请求地址
* @param params 请求参数集合
* @return
* @throws Exception
*/
public static HttpClientResult doGet(String url, Map<String, String> params) throws Exception {
return doGet(url, null, params);
}
/**
* 发送get请求；带请求头和请求参数
*
* @param url 请求地址
* @param headers 请求头集合
* @param params 请求参数集合
* @return
* @throws Exception
*/
public static HttpClientResult doGet(String url, Map<String, String> headers, Map<String, String> params) throws Exception {
// 创建httpClient对象
CloseableHttpClient httpClient = HttpClients.createDefault();
// 创建访问的地址
URIBuilder uriBuilder = new URIBuilder(url);
if (params != null) {
Set<Entry<String, String>> entrySet = params.entrySet();
for (Entry<String, String> entry : entrySet) {
uriBuilder.setParameter(entry.getKey(), entry.getValue());
}
}
// 创建http对象
HttpGet httpGet = new HttpGet(uriBuilder.build());
/**
* setConnectTimeout：设置连接超时时间，单位毫秒。
* setConnectionRequestTimeout：设置从connect Manager(连接池)获取Connection
* 超时时间，单位毫秒。这个属性是新加的属性，因为目前版本是可以共享连接池的。
* setSocketTimeout：请求获取数据的超时时间(即响应时间)，单位毫秒。 如果访问一个接口，多少时间内无法返回数据，就直接放弃此次调用。
*/
RequestConfig requestConfig = RequestConfig.custom().setConnectTimeout(CONNECT_TIMEOUT).setSocketTimeout(SOCKET_TIMEOUT).build();
httpGet.setConfig(requestConfig);
// 设置请求头
packageHeader(headers, httpGet);
// 创建httpResponse对象
CloseableHttpResponse httpResponse = null;
try {
// 执行请求并获得响应结果
return getHttpClientResult(httpResponse, httpClient, httpGet);
} finally {
// 释放资源
release(httpResponse, httpClient);
}
}
/**
* 发送post请求；不带请求头和请求参数
*
* @param url 请求地址
* @return
* @throws Exception
*/
public static HttpClientResult doPost(String url) throws Exception {
return doPost(url, null, null);
}
/**
* 发送post请求；带请求参数
*
* @param url 请求地址
* @param params 参数集合
* @return
* @throws Exception
*/
public static HttpClientResult doPost(String url, Map<String, String> params) throws Exception {
return doPost(url, null, params);
}
/**
* 发送post请求；带请求头和请求参数
*
* @param url 请求地址
* @param headers 请求头集合
* @param params 请求参数集合
* @return
* @throws Exception
*/
public static HttpClientResult doPost(String url, Map<String, String> headers, Map<String, String> params) throws Exception {
// 创建httpClient对象
CloseableHttpClient httpClient = HttpClients.createDefault();
// 创建http对象
HttpPost httpPost = new HttpPost(url);
/**
* setConnectTimeout：设置连接超时时间，单位毫秒。
* setConnectionRequestTimeout：设置从connect Manager(连接池)获取Connection
* 超时时间，单位毫秒。这个属性是新加的属性，因为目前版本是可以共享连接池的。
* setSocketTimeout：请求获取数据的超时时间(即响应时间)，单位毫秒。 如果访问一个接口，多少时间内无法返回数据，就直接放弃此次调用。
*/
RequestConfig requestConfig = RequestConfig.custom().setConnectTimeout(CONNECT_TIMEOUT).setSocketTimeout(SOCKET_TIMEOUT).build();
httpPost.setConfig(requestConfig);
// 设置请求头
/*httpPost.setHeader("Cookie", "");
httpPost.setHeader("Connection", "keep-alive");
httpPost.setHeader("Accept", "application/json");
httpPost.setHeader("Accept-Language", "zh-CN,zh;q=0.9");
httpPost.setHeader("Accept-Encoding", "gzip, deflate, br");
httpPost.setHeader("User-Agent", "Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/65.0.3325.181 Safari/537.36");*/
packageHeader(headers, httpPost);
// 封装请求参数
packageParam(params, httpPost);
// 创建httpResponse对象
CloseableHttpResponse httpResponse = null;
try {
// 执行请求并获得响应结果
return getHttpClientResult(httpResponse, httpClient, httpPost);
} finally {
// 释放资源
release(httpResponse, httpClient);
}
}
/**
* 发送put请求；不带请求参数
*
* @param url 请求地址
* @param params 参数集合
* @return
* @throws Exception
*/
public static HttpClientResult doPut(String url) throws Exception {
return doPut(url);
}
/**
* 发送put请求；带请求参数
*
* @param url 请求地址
* @param params 参数集合
* @return
* @throws Exception
*/
public static HttpClientResult doPut(String url, Map<String, String> params) throws Exception {
CloseableHttpClient httpClient = HttpClients.createDefault();
HttpPut httpPut = new HttpPut(url);
RequestConfig requestConfig = RequestConfig.custom().setConnectTimeout(CONNECT_TIMEOUT).setSocketTimeout(SOCKET_TIMEOUT).build();
httpPut.setConfig(requestConfig);
packageParam(params, httpPut);
CloseableHttpResponse httpResponse = null;
try {
return getHttpClientResult(httpResponse, httpClient, httpPut);
} finally {
release(httpResponse, httpClient);
}
}
/**
* 发送delete请求；不带请求参数
*
* @param url 请求地址
* @param params 参数集合
* @return
* @throws Exception
*/
public static HttpClientResult doDelete(String url) throws Exception {
CloseableHttpClient httpClient = HttpClients.createDefault();
HttpDelete httpDelete = new HttpDelete(url);
RequestConfig requestConfig = RequestConfig.custom().setConnectTimeout(CONNECT_TIMEOUT).setSocketTimeout(SOCKET_TIMEOUT).build();
httpDelete.setConfig(requestConfig);
CloseableHttpResponse httpResponse = null;
try {
return getHttpClientResult(httpResponse, httpClient, httpDelete);
} finally {
release(httpResponse, httpClient);
}
}
/**
* 发送delete请求；带请求参数
*
* @param url 请求地址
* @param params 参数集合
* @return
* @throws Exception
*/
public static HttpClientResult doDelete(String url, Map<String, String> params) throws Exception {
if (params == null) {
params = new HashMap<String, String>();
}
params.put("_method", "delete");
return doPost(url, params);
}
/**
* Description: 封装请求头
* @param params
* @param httpMethod
*/
public static void packageHeader(Map<String, String> params, HttpRequestBase httpMethod) {
// 封装请求头
if (params != null) {
Set<Entry<String, String>> entrySet = params.entrySet();
for (Entry<String, String> entry : entrySet) {
// 设置到请求头到HttpRequestBase对象中
httpMethod.setHeader(entry.getKey(), entry.getValue());
}
}
}
/**
* Description: 封装请求参数
*
* @param params
* @param httpMethod
* @throws UnsupportedEncodingException
*/
public static void packageParam(Map<String, String> params, HttpEntityEnclosingRequestBase httpMethod)
throws UnsupportedEncodingException {
// 封装请求参数
if (params != null) {
List<NameValuePair> nvps = new ArrayList<NameValuePair>();
Set<Entry<String, String>> entrySet = params.entrySet();
for (Entry<String, String> entry : entrySet) {
nvps.add(new BasicNameValuePair(entry.getKey(), entry.getValue()));
}
// 设置到请求的http对象中
httpMethod.setEntity(new UrlEncodedFormEntity(nvps, ENCODING));
}
}
/**
* Description: 获得响应结果
*
* @param httpResponse
* @param httpClient
* @param httpMethod
* @return
* @throws Exception
*/
public static HttpClientResult getHttpClientResult(CloseableHttpResponse httpResponse,
CloseableHttpClient httpClient, HttpRequestBase httpMethod) throws Exception {
// 执行请求
httpResponse = httpClient.execute(httpMethod);
// 获取返回结果
if (httpResponse != null && httpResponse.getStatusLine() != null) {
String content = "";
if (httpResponse.getEntity() != null) {
content = EntityUtils.toString(httpResponse.getEntity(), ENCODING);
}
return new HttpClientResult(httpResponse.getStatusLine().getStatusCode(), content);
}
return new HttpClientResult(HttpStatus.SC_INTERNAL_SERVER_ERROR);
}
/**
* Description: 释放资源
*
* @param httpResponse
* @param httpClient
* @throws IOException
*/
public static void release(CloseableHttpResponse httpResponse, CloseableHttpClient httpClient) throws IOException {
// 释放资源
if (httpResponse != null) {
httpResponse.close();
}
if (httpClient != null) {
httpClient.close();
}
}
}