appfuse中web.xml的css样式配置说明:
<!-- Define the default CSS Theme -->
<context-param>
<param-name>theme</param-name>
<param-value>simplicity</param-value>
</context-param>
该段用于页面整体风格,theme的值对应相应样式文件夹,appfuse对这个参数的使用如下:
- 在/myapp/src/web/org/appfuse/webapp/listener/StartupListener.java文件中将theme值放入ServletContext
- 在/myapp/src/web/org/appfuse/webapp/filter/LocaleFilter.java文件中将request中的theme值保存到ServletContext
- 页面根据theme值加载css文件
StartupListener.java关键代码
ServletContext context = event.getServletContext();
// Orion starts Servlets before Listeners, so check if the config
// object already exists
Map config = (HashMap) context.getAttribute(Constants.CONFIG);
if (config == null) {
config = new HashMap();
}
if (context.getInitParameter("theme") != null) {
config.put("theme", context.getInitParameter("theme"));
}
LocaleFilter.java
String theme = request.getParameter("theme");
if (theme != null && request.isUserInRole(Constants.ADMIN_ROLE)) {
Map config = (Map) getServletContext().getAttribute(Constants.CONFIG);
config.put("theme", theme);
}
页面根据theme值加载css文件
<link rel="stylesheet" type="text/css" media="all" href="<c:url value='/styles/${appConfig["theme"]}/theme.css'/>" />
<link rel="stylesheet" type="text/css" media="print" href="<c:url value='/styles/${appConfig["theme"]}/print.css'/>" />
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