JavaWeb向浏览器返回一个音频流

浏览器直接播放音频文件,1是直接访问一个html的音频文件,,2 是返回一个Java音频流给浏览器解析.

下面实现一个java的wav文件音频流,可以直接播放音频文件

package org.lib.speech.test;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.*;

public class Music extends HttpServlet {

    public void doGet(HttpServletRequest request, HttpServletResponse response) throws IOException {
        // 设置响应内容类型

         response.setHeader("Content-type", "text/html; charset=UTF-8");
         request.setCharacterEncoding("UTF-8");//解决乱码
         response.setContentType("text/html;charset=UTF-8");//解决乱码
         String sentences=request.getParameter("text");
        try {
            sayPlay(sentences,request,response);
        }catch (Exception e){
            System.out.printf(e.getMessage());
        }

    }

    public static void sayPlay (String sentences,HttpServletRequest request,HttpServletResponse response) throws Exception{
        //获取tomcat 路径
        String ROOT = System.getProperty("catalina.home")+"\webapps\JavaWeb\test.wav";
        //输出 wav IO流
        try{
            response.setHeader("Content-Type", "audio/mpeg");
            File file = new File(ROOT);
            int len_l = (int) file.length();
            byte[] buf = new byte[2048];
            FileInputStream fis = new FileInputStream(file);
            OutputStream out = response.getOutputStream();
            len_l = fis.read(buf);
            while (len_l != -1) {
                out.write(buf, 0, len_l);
                len_l = fis.read(buf);
            }
            out.flush();
            out.close();
            fis.close();
        }catch (Exception e){
            System.out.println(e);
        }
     

    }