Created by Jerry Wang on Aug 25, 2014
1. window.open
<%@page language="abap" %>
<%@extension name="thtmlb" prefix="thtmlb" %>
<%@extension name="chtmlb" prefix="chtmlb" %>
<%@extension name="bsp" prefix="bsp" %>
<%
DATA: lv_url TYPE string.
lv_url = 'http://www.sap.com'.
%>
<script type="text/javascript" language="javascript">
<%
CONCATENATE 'window.open("' lv_url '");' into lv_url.
%>
<%= lv_url %>
</script>

2. use meta tag
<%@page language="abap" %>
<%@extension name="thtmlb" prefix="thtmlb" %>
<%@extension name="chtmlb" prefix="chtmlb" %>
<%@extension name="bsp" prefix="bsp" %>
<meta http-equiv="refresh" content="0; url=http://www.sap.com">

3. 使用reuse component GSURLPOPUP

通过popup window的方式打开external url:
