让iframe透明显示：
<html><head><meta http-equiv="Content-Type" content="text/html; charset=gb2312"><title>父页面</title></head><body bgcolor="#FF0000"><iframe src="index.htm" allowTransparency="true"></iframe></body></html><html><head><meta http-equiv="Content-Type" content="text/html; charset=gb2312"><title>子页面</title><style type="text/css">body{ background-color: transparent; }</style></head><body></body></html>
注册 登录
