无刷新聊天室技术实现方法(ASP相关)
聊天室|刷新|无刷新
无刷新聊天室技术实现方法
一、统一名词
文字框:显示聊天内容的框架页面
输入框:输入聊天信息的框架页面
刷新框:自刷新获取最新聊天信息的框架页面,该页面不直接显示出来
二、如何实现
实现无刷新,就是要在当前文字框聊天内容后面不断的添加新的聊天信息。
实现的方式是“添加新信息”,而不是“重新刷新”。
三、技术要点
实现像chat.163.com的无闪烁刷新的聊天室要用到的关键代码:
1.自刷新:
2.向html文件写代码:
<script> <br/>top.frametext.document.write("text"); <br/></script>
四、例子
1.frame.asp页面。最简单的包含三个框架页
文本框frametext.htm;name=frametext
输入框frameinput.asp;
刷新框framerefresh.asp;
2.文本框frametext.htm内容:
最简单的文本内容。略
3.输入框frameinput.asp内容:
略
4.刷新框framefresh.asp内容(关键)
......
'此处用代码获取最新的聊天信息
'最新信息保存在数组ArrRecord()
'OutNum参数纪录是否有新的聊天纪录出现
%>

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