onclick是客户端javascript脚本,跟JSP没有直接关系。你应该用提交到服务器端再处理,如下:<form action="my.jsp">
<input type="image" name="waste-true" src="....">
</form>---------------------------------------------------------------my.jsp
======...
if (request.getParameter("waste-true"))
response.sendRedirect(...)
...
<input type="image" name="waste-true" src="....">
</form>---------------------------------------------------------------my.jsp
======...
if (request.getParameter("waste-true"))
response.sendRedirect(...)
...
<input type=image border=0 name=waste-true src=img/waste_text.gif onclick=<%response.sendRedirect(jsess.getControllerURL()%>?event=message&subevent=del&msgId=0)>
或
<input type="image" border="0" name="waste-true" src="img/waste_text.gif" onclick="<%response.sendRedirect(jsess.getControllerURL()%>?event=message&subevent=del&msgId=0">