amr转换成mp3 java_微信开发-将amr格式转换为mp3格式
importjava.io.FileOutputStream;importjava.io.IOException;importjava.io.InputStream;importjava.net.HttpURLConnection;importjava.net.URL;/*** Describe:从微信服务器下载音频
* Author:陆小不离
* Age:Eighteen
* Time:2017年5月18日 下午1:21:07*/
public classVoiceDownload {/*** 根据文件id下载文件
*@parammediaId
* 媒体id
*
*@throwsException*/
public staticInputStream getInputStream(String accessToken, String mediaId) {
InputStream is= null;
String url= "http://file.api.weixin.qq.com/cgi-bin/media/get?access_token="
+ accessToken + "&media_id=" +mediaId;try{
URL urlGet= newURL(url);
HttpURLConnection http=(HttpURLConnection) urlGet
.openConnection();
http.setRequestMethod("GET"); //必须是get方式请求
http.setRequestProperty("Content-Type","application/x-www-form-urlencoded");
http.setDoOutput(true);
http.setDoInput(true);
System.setProperty("sun.net.client.defaultConnectTimeout", "30000");//连接超时30秒
System.setProperty("sun.net.client.defaultReadTimeout", "30000"); //读取超时30秒
http.connect();//获取文件转化为byte流
is =http.getInputStream();
}catch(Exception e) {
e.printStackTrace();
}returnis;
}/***
* 获取下载图片信息(jpg)
*
*
*
*@parammediaId
*
* 文件的id
*
*@throwsException*/
public static voidsaveImageToDisk(String accessToken, String mediaId, String picName, String picPath)throwsException {
InputStream inputStream=getInputStream(accessToken, mediaId);
String filePath= picPath+picName+".amr";byte[] data = new byte[10240];int len = 0;
FileOutputStream fileOutputStream= null;try{
fileOutputStream= newFileOutputStream(filePath);while ((len = inputStream.read(data)) != -1) {
fileOutputStream.write(data,0, len);
}
}catch(IOException e) {
e.printStackTrace();
}finally{if (inputStream != null) {try{
inputStream.close();
}catch(IOException e) {
e.printStackTrace();
}
}if (fileOutputStream != null) {try{
fileOutputStream.close();
}catch(IOException e) {
e.printStackTrace();
}
}//生成对应mp3格式
ChangeAudioFormat.changeToMp3(filePath, picPath+picName+".mp3");
}
}public static voidmain(String[] args) {
String token= "HlEl1p9pJ3oe1EnKZa5bz7R1-qdkoI9OCkvy2v4geOhBY60o0-z3s4vybzR_WztYyuGSEPZh8dnWd2zukCq-YVsRNfdfkYkKKyhxTgZAYV-nYFBly7nRwKyY-uj4MHGEBNQgAEANZC";
String mediaId= "r64ELwHiJndHHyhD94X887mLVEPXyw2RLoer8Nr3JkaI_tYc4J7uw2lOl55Hv8hI";try{
saveImageToDisk(token,mediaId,"test2","D:\\ttt\\");
}catch(Exception e) {
e.printStackTrace();
}
}
}