本人刚接触java，问题很菜，不好意思
jsp中 <% out.println(request.getParamter( "username ")); %>
居然无法获得数据，我晕死了（环境是tomcat5.5+java6）
显示这个错误
================================
HTTP Status 500 -
type Exception report
message
description The server encountered an internal error () that prevented it from fulfilling this request.
exception
org.apache.jasper.JasperException: Unable to compile class for JSP:
An error occurred at line: 37 in the jsp file: /user_reg/user_reg_ok.jsp
The method getParamter(String) is undefined for the type HttpServletRequest
34: <div class= "main ">
35: <div class= "main_top "> </div>
36: <div class= "main_left "> </div>
37: <div class= "main_middle "> <% out.println(request.getParamter( "username ")); %> </div>
38: <div class= "main_right "> </div>
39: <div class= "main_bottom "> </div>
40: </div>
……………………
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------解决方案--------------------
你的这个参数是在哪个jsp页面或者servlet中保存进去的？或者是地址栏里面直接传参？
------解决方案--------------------
你的getParamter方法应该是getParameter，
请结贴给分吧，谢谢。
------解决方案--------------------
哈哈还是用辅助的比较好 不的出低级错误
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