日期:2014-05-17  浏览次数:20727 次

useBean谢谢
counter:
public class counter {

private int count=0;

public void setcount(int count){
this.count=count;
}
public int getcount(){
return ++count;
}

}

counter.jsp
<%@ page language="java" contentType="text/html; charset=utf-8" %>
<html>
<head>
<title>con</title>
</head>
<body><br/>
<jsp:useBean id="personCount" class="counter" scope="session" />
<jsp:useBean id="totalCount" class="counter" scope="application" />

<jsp:getProperty name="personCount" property="count" />

</body>
</html>


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: 7 in the jsp file: /counter.jsp
counter cannot be resolved to a type
4: <title>con</title>
5: </head>
6: <body><br/>
7: <jsp:useBean id="personCount" class="counter" scope="session" />
8: <jsp:useBean id="totalCount" class="counter" scope="application" />
9: 
10: <jsp:getProperty name="personCount" property="count" />


An error occurred at line: 7 in the jsp file: /counter.jsp
counter cannot be resolved to a type
4: <title>con</title>
5: </head>
6: <body><br/>
7: <jsp:useBean id="personCount" class="counter" scope="session" />
8: <jsp:useBean id="totalCount" class="counter" scope="application" />
9: 
10: <jsp:getProperty name="personCount" property="count" />


An error occurred at line: 7 in the jsp file: /counter.jsp
counter cannot be resolved to a type
4: <title>con</title>
5: </head>
6: <body><br/>
7: <jsp:useBean id="personCount" class="counter" scope="session" />
8: <jsp:useBean id="totalCount" class="counter" scope="application" />
9: 
10: <jsp:getProperty name="personCount" property="count" />


An error occurred at line: 8 in the jsp file: /counter.jsp
counter cannot be resolved to a type
5: </head>
6: <body><br/>
7: <jsp:useBean id="personCount" class="counter" scope="session" />
8: <jsp:useBean id="totalCount" class="counter" scope="application" />
9: 
10: <jsp:getProperty name="personCount" property="count" />
11: 


An error occurred at line: 8 in the jsp file: /counter.jsp
counter cannot be resolved to a type
5: </head>
6: <body><br/>
7: <jsp:useBean id="personCount" class="counter" scope="session" />
8: <jsp:useBean id="totalCount" class="counter" scope="application" />
9: 
10: <jsp:getProperty