voicexml中关于选择的实现
在voicexml中选择的实现可以用menu，也可以用form。用menu方式实现参考上一篇文章，这里主要介绍一些form实现
可以使用from的option，也可以通过grammar来实现
1、option的实现(例子：http://www.optimsys.cz/support/examples/example07.php)
<?xml version="1.0" encoding="UTF-8"?><vxml version="2.0" xmlns="http://www.w3.org/2001/vxml"><meta name="description" content="options and link example"/><meta name="author" content="OptimSys, s.r.o., Czech Republic (http://www.optimsys.cz)"/><meta name="copyright" content="free for any purpose"/><noinput> Hey, don't sleep! </noinput><catch event="exit"> <prompt> Exit! </prompt> <exit/></catch><form id="start"> <field name="lunch"> <nomatch> <prompt> I didn't understand you. Please choose from <enumerate/> </prompt> </nomatch> <help> Just say what you want for lunch. </help> <prompt> What do you want for lunch? You can choose from <enumerate/> </prompt> <option dtmf="1" value="ch"> chicken </option> <option dtmf="2" value="p"> pizza </option> <option dtmf="3" value="c"> cake </option> <option dtmf="4" value="n"> nothing </option> <filled> <if cond="lunch=='ch'"> <prompt> You will have chicken for lunch. </prompt> <prompt> I like chicken too. </prompt> <elseif cond="lunch=='p'"/> <prompt> You will have pizza for lunch. </prompt> <prompt> Fan of Italian kitchen? </prompt> <elseif cond="lunch=='c'"/> <prompt> You will have cake for lunch. </prompt> <prompt> You will be fat! </prompt> <else/> <!-- lunch=='n' --> <prompt> You will have nothing for lunch. </prompt> <prompt> Diet? </prompt> </if> </filled> </field></form>
<?xml version="1.0" encoding="UTF-8"?> <vxml version="2.0" xmlns="http://www.w3.org/2001/vxml" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.w3.org/2001/vxml http://www.w3.org/TR/voicexml20/vxml.xsd"><form id="tapered"> <block> <prompt bargein="false"> Welcome to the ice cream survey. </prompt> </block> <field name="flavor"> <grammar mode="voice" version="1.0" root="root"> <rule id="root" scope="public"> <one-of> <item>vanilla </item> <item>chocolate</item> <item>strawberry</item> </one-of> </rule> </grammar> <prompt count="1">What is your favorite flavor?</prompt> <prompt count="3">Say chocolate, vanilla, or strawberry.</prompt> <help>Sorry, no help is available.</help> </field></form></vxml>
<?xml version="1.0" encoding="UTF-8"?> <vxml version="2.0" xmlns="http://www.w3.org/2001/vxml" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.w3.org/2001/vxml http://www.w3.org/TR/voicexml20/vxml.xsd"> <meta name="en_inlinegrammar.vxml" content=""/> <meta name="Author" content="HP"/> <meta name="Date" content="September, 2005"/> <meta name="Description" content="This VoiceXML example is provided as part of an HP OpenCall Media Platform VoiceXML installation"/> <meta name="Support" content="none"/> <!-- Deactivate the barge in feature --> <property name="bargein" value="false"/> <form id="WhichDigit" scope="dialog"> <field name="digit"> <prompt> Please say a digit. </prompt> <grammar mode="voice" version="1.0" root="root"> <rule id="root" scope="public"> <one-of> <item> zero </item> <item> one </item> <item> two </item> <item> three </item> <item> four </item> <item> five </item> <item> six </item> <item> seven </item> <item> eight </item> <item> nine </item> </one-of> </rule> </grammar> <filled> <prompt> Thanks, I think you said <value expr="digit"/>. </prompt> </filled> <!-- Message played if any error occured --> <error count="1"> An error has occured. </error> <!-- Message played if the caller does not say anything --> <noinput count="1"> Sorry, I did not hear anything. Try again. <reprompt/> </noinput> <!-- Message played if the caller says something that does not match --> <nomatch count="1"> Sorry, I did not understand that. Try again. <reprompt/> </nomatch> </field> </form> </vxml>
