此两处错误怎么改?(错误一再该行指出)
源代码:
<%@ page contentType="text/html;charset=gb2312" language="java"%>
<%@ page import="java.sql.*" %>
<%@ page import="java.util.Vector" %>
<%! String strPage=null;
String showPage=null;
String ipage=null;
ResultSet rs=null;
%>
<! 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=gb2312">
<title>欢迎光临网上通讯录</title>
<link rel=stylesheet type=text/css href="./lib/bbs.css">
<jsp:useBean scope="page" id="Friend" class="com.zk.Friend"/>
<jsp:useBean scope="page" id="User" class="com.zk.User"/>
<jsp:useBean scope="page" id="SplitPage" class="com.zk.SplitPage"/>
</head>
<body bgcolor="#F5F5F5">
<div align="center">
<p>我的全部好友 </p>
<% String sFriendID=request.getParameter("FriendID");
long lFriendID=Long.parseLong("sFriendID");
Friend.setFriendID(lFriendID);
Friend.init();
ResultSet rs=Friend.show_Friend();
SplitPage.initialize(rs,10);
%>
<% String strPage;
int showPage;
strPage=request.getParemeter("showPage");//此错了,改成(showPage)也是错,若写成page也是错
if (strPage==null)
showPage=1;
else
{try
{showPage=Integer.parseInt(strPage);
}
catch(NumberFormatException e)
{showPage=1;
}
if(showPage<1)
showPage=1;
if(showPage>SplitPage.getPageCount())
showPage=SplitPage.getPageCount();
}
Vector vData=SplitPage.getPage(showPage);//此处错了,要强制转换吗?,如果要怎么转
for(int i=0;i<vData.size();i++)
{String[] sData=(String[])vData.get(i);
long lUserID=Long.parseLong(vData[2]);
String sUserID=request.getParameter("UserID");
if(User.init())
{while (rs.next())
{rs.getString("姓名");
rs.getString("性别");
rs.getString("电话");
rs.getString("Email");
rs.getString("家庭住址");
%>
<input type="button" name="button" value="添加为好友" onClick="javascript:window.location='add_friend_save.jsp'">
<%
}
}
}
%>
</div>
</body>
</html>
错误提示:
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: 30 in the jsp file: /friend_list.jsp
Generated servlet error:
The method getParemeter(String) is undefined for the type HttpServletRequest
An error occurred at line: 30 in the jsp file: /friend_list.jsp
Generated servlet error:
The type of the expression must be an array type but it resolved to Vector
org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:510)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:375)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:314)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:264)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
root cause
org.apache.jasper.JasperException: Unable to compile class for JSP
An error occurred at line: 30 in the jsp file: /friend_list.jsp
Generated servlet error:
The method getParemeter(String) is undefined for the type HttpServletRequest
An error occurred at line: 30 in the jsp file: /friend_list.jsp
Generated servlet error:
The type of the expression must be an array type but it resolved to Vector
org.apache.jasper.compiler.DefaultErrorHandler.javacError(DefaultErrorHandler.java:84)
org.apache.jasper.compiler.ErrorDispatcher.javacError(ErrorDispatcher.java:328)
org.apache.jasper.compiler.JDTCompiler.generateClass(JDTCompiler.java:414)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:297)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:276)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:264)
org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:563)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:303)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:314)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:264)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
note The full stack trace of the root cause is available in the Apache Tomcat/5.5.17 logs.
--------------------------------------------------------------------------------
Apache Tomcat/5.5.17