一、.qhp文档里xml 编码格式
1、UTF-8， qhelpgenerator生成qch文档会报错。
2、ISO-8859-1， 在Qt assistant里面看起来全是乱码
3、GB2312，在Qt assistant里面，目录正确显示，详情乱码
二、 html文档里的格式
<?xml version="1.0" encoding="GB2312"?>
<QtHelpProject version="1.0">
<namespace>romtekAssistantOrange.myHelp</namespace>
<virtualFolder>doc</virtualFolder>
<filterSection>
<toc>
<section title="Orange 帮助系统" ref = "index.html">
<section title = "1.引言" ref = "1.引言.html"></section>
<section title = "2.软件概述" ref = "2.软件概述.html"></section>
<section title = "3.运行环境与安装" ref = "3.运行环境与安装.html"></section>
<section title = "4.软件工程介绍" ref = "4.软件工程介绍.html"></section>
<section title = "加入我们" ref = "joinUs.html"></section>
</section>
</toc>
<keywords>
<keyword name = "1.引言" ref = "1.引言.html"/>
<keyword name = "2.软件概述" ref = "2.软件概述.html"/>
<keyword name = "3.运行环境与安装" ref = "3.运行环境与安装.html"/>
<keyword name = "4.软件工程介绍" ref = "4.软件工程介绍.html"/>
<keyword name = "加入我们" ref = "joinUs.html"/>
</keywords>
<files>
<file>index.html</file>
<file>1.引言.html</file>
<file>2.软件概述.html</file>
<file>3.运行环境与安装.html</file>
<file>4.软件工程介绍.html</file>
<file>joinUs.html</file>
<file>images/*.png</file>
</files>
</filterSection>
</QtHelpProject>