在 Java Web 开发框架中创建 VoiceXML 页面

                

<?xml version="1.0" encoding="UTF-8"?>

<vxml version="2.1">
  <form>
    <block>
      <prompt>
        Things are working correctly! Congratulations.
      </prompt>
    </block>
  </form>
</vxml>

                

<?xml version="1.0" encoding="UTF-8"?>

<vxml version="2.1">
  <form id="MainMenu">
    <field name="instrument">
      <prompt>What is your  favorite musical instrument?</prompt>

      <!-- Insert an inline grammar -->
      <grammar type="text/gsl">
        [guitar mandolin dobro (violin fiddle) banjo]
      </grammar>

      <!-- Handle the case when they give no answer -->
      <noinput>
        Did you say something? I didn't hear you.
        <reprompt />
      </noinput>

      <!-- Handle the case when no match is found -->
      <nomatch>
        I suppose that's OK, but it's not on my top five. 
        Want to try again?
        <reprompt />
      </nomatch>
    </field>

    <!-- Handle the various options. -->
    <filled namelist="instrument">
      <if cond="instrument == 'guitar'">
        <prompt>That's right! Hang up and go practice.</prompt>
      <elseif cond="instrument == 'mandolin'" />
        <prompt>Nice... and only four strings to keep in tune.</prompt>
      <elseif cond="instrument == 'dobro'" />
        <prompt>Boy, that's no fun to learn, is it?</prompt>
      <elseif cond="instrument == 'violin'" />
        <prompt>We call that a fiddle, Mr. Fancy Pants.</prompt>
      <elseif cond="instrument == 'fiddle'" />
        <prompt>Does playing classical music on a 
        fiddle make it a violin?</prompt>
      <elseif cond="instrument == 'banjo'" />
        <prompt>Wow, I hope you live alone.</prompt>
      </if>
    </filled>
  </form>
</vxml>

                

package com.ibm.vxml;

import java.io.BufferedInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import javax.servlet.*;
import javax.servlet.http.*;

public class VoiceXMLServlet extends HttpServlet {

  private static final String VXML_FILENAME =
    "simple-voice_recog.xml";

  public void doGet(HttpServletRequest req, HttpServletResponse res)
    throws ServletException, IOException {

    String vxmlDir = getServletContext().getInitParameter("vxml-dir");

    BufferedInputStream bis = null;
    ServletOutputStream out = null;

    try {
      // Load the VXML file
      File vxml = new File(vxmlDir + "/" + VXML_FILENAME);
      FileInputStream fis = new FileInputStream(vxml);
      bis = new BufferedInputStream(fis);

      // Output the VXML file 
      int readBytes = 0;
      while ((readBytes = bis.read()) != -1) {
        // output the VXML
      }
    } finally {
      if (out != null) out.close();
      if (bis != null) bis.close();
    }
  }
}

                
  <context-param>
    <param-name>vxml-dir</param-name>
    <param-value>/path-to-your-voicexml-dir/voicexml</param-value>
  </context-param>

      
// Load the VXML file
      File vxml = new File(vxmlDir + "/" + VXML_FILENAME);
      FileInputStream fis = new FileInputStream(vxml);
      bis = new BufferedInputStream(fis);

      // Let the browser know that XML is coming
      out = res.getOutputStream();
            

      
// Output the VXML file 
      int readBytes = 0;
      while ((readBytes = bis.read()) != -1) {
        // output the VXML
        out.write(readBytes);
      }

     
 // Let the browser know that XML is coming
      out = res.getOutputStream();
      res.setContentType("text/xml");
      res.setContentLength((int)vxml.length());
            

                

package com.ibm.vxml;

import java.io.BufferedInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import javax.servlet.*;
import javax.servlet.http.*;

public class VoiceXMLServlet extends HttpServlet {

  private static final String VXML_FILENAME =
    "simple-voice_recog.xml";

  public void doGet(HttpServletRequest req, HttpServletResponse res)
    throws ServletException, IOException {

    String vxmlDir = getServletContext().getInitParameter("vxml-dir");

    BufferedInputStream bis = null;
    ServletOutputStream out = null;

    try {
      // Load the VXML file
      File vxml = new File(vxmlDir + "/" + VXML_FILENAME);
      FileInputStream fis = new FileInputStream(vxml);
      bis = new BufferedInputStream(fis);

      // Let the browser know that XML is coming
      out = res.getOutputStream();
      res.setContentType("text/xml");
      res.setContentLength((int)vxml.length());

      // Output the VXML file 
      int readBytes = 0;
      while ((readBytes = bis.read()) != -1) {
        // output the VXML
        out.write(readBytes);
      }
    } finally {
      if (out != null) out.close();
      if (bis != null) bis.close();
    }
  }
}

  
public void doPost(HttpServletRequest req, HttpServletResponse res)
    throws ServletException, IOException {

    doGet(req, res);
  }

      
// Let the browser know that XML is coming
      out = res.getOutputStream();
      res.setContentType("text/xml");
      res.setContentLength((int)vxml.length());
      res.addHeader("Content-Disposition",
        "attachment; filename=" + vxml);
            

  
public void doGet(HttpServletRequest req, HttpServletResponse res)
    throws ServletException, IOException {

    String vxmlDir = getServletContext().getInitParameter("vxml-dir");

    BufferedInputStream bis = null;
    ServletOutputStream out = null;

    try {
      // Load the VXML file
      File vxml = new File(vxmlDir + "/" + VXML_FILENAME);
      FileInputStream fis = new FileInputStream(vxml);
      bis = new BufferedInputStream(fis);

      // Let the browser know that XML is coming
      PrintWriter out = res.getOutputStream();
      res.setContentType("text/xml");
      res.setContentLength((int)vxml.length());

      // Output content using PrintWriter
    } finally {
      if (out != null) out.close();
      if (bis != null) bis.close();
    }
  }

                

package com.ibm.vxml;

import java.io.BufferedInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.*;
import javax.servlet.http.*;

public class DynamicVoiceXMLServlet extends HttpServlet {

  public void doGet(HttpServletRequest req, HttpServletResponse res)
    throws ServletException, IOException {

    BufferedInputStream bis = null;
    PrintWriter out = null;

    try {
      // Let the browser know that XML is coming
      out = res.getWriter();
      res.setContentType("text/xml");

      // Output VXML
      out.println("<?xml version=\"1.0\" encoding=\"UTF-8\"?>");
      out.println("<vxml version=\"2.1\">");
      out.println(" <form><block><prompt>");
      out.println("  Things are working correctly! Congratulations.");
      out.println(" </prompt></block></form>");
      out.println("</vxml>");

    } finally {
      if (out != null) out.close();
      if (bis != null) bis.close();
    }
  }

  public void doPost(HttpServletRequest req, HttpServletResponse res)
    throws ServletException, IOException {

    doGet(req, res);
  }
}

                

package com.ibm.vxml;

import java.io.BufferedInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.Calendar;
import javax.servlet.*;
import javax.servlet.http.*;

public class DynamicVoiceXMLServlet extends HttpServlet {

  public void doGet(HttpServletRequest req, HttpServletResponse res)
    throws ServletException, IOException {

    BufferedInputStream bis = null;
    PrintWriter out = null;

    try {
      // Let the browser know that XML is coming
      out = res.getWriter();
      res.setContentType("text/xml");

      // Output VXML
      out.println("<?xml version=\"1.0\" encoding=\"UTF-8\"?>");
      out.println("<vxml version=\"2.1\">");
      out.println(" <form><block><prompt>");

      // Output a greeting based on the time of day
      Calendar cal = Calendar.getInstance();
      int hour = cal.get(Calendar.HOUR_OF_DAY);
      if (hour < 6) {
        out.println("You're up early. Good morning.");
      } else if (hour < 12) {
        out.println("Good morning. How's your day so far?");

      } else if (hour < 18) {
        out.println("Half the day is done... good afternoon!");
      } else{
        out.println("Hope you are enjoying your evening.");
      }

      out.println(" </prompt></block></form>");
      out.println("</vxml>");

    } finally {
      if (out != null) out.close();
      if (bis != null) bis.close();
    }
  }

  public void doPost(HttpServletRequest req, HttpServletResponse res)
    throws ServletException, IOException {

    doGet(req, res);
  }
}