<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> </head> <BODY> <style type="text/css"> #wrap{ width:560px; border:1px solid #333; /* 以下为控制省略号的样式 */ overflow:hidden; text-overflow:ellipsis; white-space:nowrap; /* 以下是FF特有属性,需要XUL文件支持 */ -moz-binding:url("ellipsis.xml#ellipsis"); } </style> <div id="wrap">Always in center!Always in center!Always in center!Always in center!Always in center!Always in center!Always in center!Always in center!Always in center!Always in center!</div> </BODY> </html> 支持FF所需要的ellipsis.xml文件内容如下: <?xml version="1.0" encoding="UTF-8"?> <bindings xmlns="http://www.mozilla.org/xbl" xmlns:xbl="http://www.mozilla.org/xbl" xmlns:xul="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"> <binding id="ellipsis"> <content> <xul:description crop="end" xbl:inherits="value=xbl:text"><children/></xul:description> </content> </binding> </bindings> IE下,对于loose.dtd的文档类型,span是不受width属性控制的,需要使用div FF中,span都不受width属性影响