MSAgent 详细解说（下）

大家好，又见面了，我是你们的朋友全栈君。

七、我的菜单

右键点击角色是不是会弹出一个菜单？什么，只有 Hide 一项？想不想定义一个个性的菜单呢？

js 代码

1. <object style=“visibility:hidden” id=“MSAgent” classid=“CLSID:D45FD31B-5C6E-11D1-9EC1-00C04FD7081F”></object>
2. <Script Language=“JavaScript” For=“MSAgent” Event=“Command(UserInput)”>
3. switch(UserInput.Name) {
4. case “INTRO” :
5. Agent.Play(“Explain”);
6. Agent.Speak(“My name is “ + AgentID + “, I think I’m the best one!”);
7. break;
8. case “AUTHOR”:
9. Agent.Play(“Announce”);
10. Agent.Speak(“Windy_sk <windy_sk@126.com> wrote the program, I think he’s great! (^o^)”);
11. break;
12. case “SAYTIME”:
13. Agent.Play(“Suggest”);
14. Agent.Speak(“It is now “ + (new Date()) + “!”);
15. break;
16. case “FLY”:
17. Agent.MoveTo(Math.round(Math.random() * screen.width), Math.round(Math.random() * screen.height));
18. break;
19. case “STOP”:
20. Agent.StopAll();
21. Agent.Play(“RestPose”);
22. break;
23. default:
24. break;
25. }
26. </Script>
28. <script language=“JavaScript”>
29. //Coded by Windy_sk <windy_sk@126.com> 20040214
31. var Agent = null;
32. var AgentID, AgentACS;
33. var AgentLoad = false;
35. function LoadAgent(NewAgent) {
36. var remote = false;
37. if(AgentLoad) {
38. MSAgent.Characters.Unload(AgentID);
39. MSAgent.Connected = false;
40. Agent = null;
41. }
42. AgentID = NewAgent;
43. AgentACS = NewAgent + “.acs”;
44. MSAgent.Connected = true;
45. try {
46. MSAgent.Characters.Load(AgentID, AgentACS);
47. window.status = “Local MSAgent load successfully!”;
48. } catch(e) {
49. AgentACS = “http://agent.microsoft.com/agent2/chars/” + NewAgent + “/” + NewAgent + “.acf”;
50. remote = true;
51. MSAgent.Characters.Load(AgentID, AgentACS);
52. window.status = “Local MSAgent load unsuccessfully, as a advice, you’d better to download the charactor file to your local disk!”;
53. }
54. AgentLoad = true;
55. Agent = MSAgent.Characters.Character(AgentID);
56. Agent.LanguageID = 0x0409;
58. Agent.Commands.RemoveAll();
59. Agent.Commands.Visible = true;
60. Agent.Commands.Caption = “MSAgent’s Menu – by windy_sk”;
61. Agent.Commands.Add(“INTRO”, “Introduce Yourself”, “Introduce yourself”);
62. Agent.Commands.Add(“AUTHOR”, “Who Write The Program”, “Who Write The Program”);
63. Agent.Commands.Add(“SAYTIME”, “What Time Is It Now”, “What Time Is It Now”);
64. Agent.Commands.Add(“FLY”, “Can You Fly”, “Can You Fly”);
65. Agent.Commands.Add(“STOP”, “Stop All Actions”, “Stop All Actions”);
67. if(remote) {
68. Agent.get(“state”, “Showing, Hiding”);
69. Agent.get(“animation”, “Explain, Announce, Suggest”);
70. }
71. Agent.MoveTo(400, 300);
72. Agent.Show();
73. return;
74. }
76. LoadAgent(“Merlin”);
77. </script>
79. MSAgent Select :
80. <SELECT name=“Agent_select” οnchange=“LoadAgent(this[this.selectedIndex].text)”>
81. <OPTION>Merlin</OPTION>
82. <OPTION>Peedy</OPTION>
83. <OPTION>Genie</OPTION>
84. <OPTION>Robby</OPTION>
85. </SELECT>

个性菜单也是通过对象事件驱动的，这一点相信已经看懂了上一节的读者比较容易理解，相关网页请见 msdn.microsoft.com/library/en-us/msagent/pacontrol_8kfe.asp

Agent.Commands.Add 的三个属性分别为：内部索引标识、显示文字和语音表示，前两个参数比较容易理解，关键是第三个参数“语音表示”，对用户可以通过语音来控制 MSAgent ！

你需要首先下载 MicroSoft 语音识别引擎 activex.microsoft.com/activex/controls/agent2/actcnc.exe （目前只支持美国英语），下面介绍一下语音参数的句法：

Agent.Commands.Add(“SAYTIME”, “What Time Is It Now”, “What Time Is It Now” ）中 “What Time Is It Now” 是它的语音表示，但是必须要完全读出这几个单词才可以识别吗？如果要是问时间的话，我可以说 What Time , Tell me the time 或者直接只说 time ，但是如何让程序识别这些话为统一目的呢？ 可以这样写：[(What|Tell me the)] Time [is it] [Now] [please] ，熟悉一点正则的读者应该不难理解，[] 表示可选项， () 规定范围， | 表示逻辑或

单纯这样还不够，还要在 <Script Language=”JavaScript” For=”MSAgent” Event=”Command(UserInput)”> 加上相应的声音处理：

js 代码

1. <Script Language=“JavaScript” For=“MSAgent” Event=“Command(UserInput)”>
2. var BadConfidence = 10;
3. if (UserInput.Confidence <= -40){
4. alert(“Bad Recognition!”);
5. } else if ((UserInput.Alt1Name != “”) && (Math.abs(Math.abs(UserInput.Alt1Confidence) – Math.abs(UserInput.Confidence)) < BadConfidence)) {
6. alert(“Bad Confidence – too close to another command !”);
7. } else if ((UserInput.Alt2Name != “”) && (Math.abs(Math.abs(UserInput.Alt1Confidence) – Math.abs(UserInput.Confidence)) < BadConfidence)) {
8. alert(“Bad Confidence – too close to another command !”);
9. } else {
10. switch(UserInput.Name) {
11. case “ACO” :
12. MSAgent.PropertySheet.Visible = true;
13. break;
14. case “READ”:
15. Agent_Show(“Read”);
16. Agent.Speak(show.value);
17. break;
18. case “SAYTIME”:
19. Agent_Show(“Suggest”);
20. Agent.Speak(“It is now “ + (new Date()) + “!”);
21. break;
22. case “INTRO” :
23. Agent_Show(“Explain”);
24. Agent.Speak(“My name is “ + AgentID + “, I think I’m the best one!”);
25. break;
26. case “AUTHOR”:
27. Agent_Show(“Announce”);
28. Agent.Speak(“Windy_sk <windy_sk@126.com> wrote the program, I think he’s great! (^o^)”);
29. break;
30. case “FLY”:
31. Agent.MoveTo(Math.round(Math.random() * screen.width – Agent.width), Math.round(Math.random() * screen.height – Agent.height));
32. break;
33. case “STOP”:
34. Agent.StopAll();
35. Agent_Show(“RestPose”);
36. break;
37. default:
38. break;
39. }
40. }
41. </Script>

else 语句上面的部分是对用户的语音输入作判断，相关参数意义请见这里：http://msdn.microsoft.com/library/en-us/dnexpvb/html/usingmsagentcontrolevents.asp

有关 Command 对象的其他方法，请见 msdn.microsoft.com/library/en-us/dnexpvb/html/workingwithcommands.asp

八 归纳总结

主要涉及到的基本方法都已经讲过了，是不是对 MSAgent 又有了一个新的认识？感觉现在写程序的话缺少的仅仅是创意了……

下面，我们就把上面所了解到的东西做一个归纳总结性质的实践，Charactors From Office 是从硬盘上搜索出的 *.acs 文件 copy 到 %windows%\MSAgent\Chars 目录下的角色文件，读者自己搜索添加吧，里面的功能有一些前文没有涉及到的，读者可以研究一下：

此处代码参见附件

算是个所有方法的大杂烩了，最后说明一下 Balloon 对象，其所有属性中只有 Style 可以更改，而官方所给的资料还不完全 msdn.microsoft.com/library/en-us/msagent/pacontrol_9gtm.asp ，还是自己慢慢挖掘吧……

到这里就算是告一段落吧，不想写了，总感觉看的越多就越不了解，真的开始有点佩服 MicroSoft 了，单这么个冰山一角就涉及到无数的枝节，本文虽然不算很彻底的研究，但是入门级已经是绰绰有余了……

资源：

StartPage: msdn.microsoft.com/library/en-us/msagent/agentstartpage_7gdh.asp FAQ: msdn.microsoft.com/library/en-us/msagent/paface_3sit.asp Methods: msdn.microsoft.com/library/en-us/msagent/paface_73c5.asp Events: msdn.microsoft.com/library/en-us/msagent/paface_2xet.asp Actions: msdn.microsoft.com/library/en-us/msagent/deschar_3pgy.asp LanguageId: www.microsoft.com/globaldev/reference/oslocversion.mspx Balloon: msdn.microsoft.com/library/en-us/msagent/pacontrol_9gtm.asp Voice: msdn.microsoft.com/library/en-us/dnexpvb/html/usingmsagentcontrolevents.asp Command: msdn.microsoft.com/library/en-us/dnexpvb/html/workingwithcommands.asp Download: www.microsoft.com/msagent/downloads/user.asp www.microsoft.com/msagent/downloads/developer.asp www.msagentring.org/chars.htm msagentworld.tripod.com/characters.htm

终结：

本文仅是通过我个人对 MSAgent 的理解，以及以前的操作实践写成的，难免有所缺憾，随时欢迎补充和更正！

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