关于JSP和JAVABEAN的问题,有一定难度,解决此问题者,300分坚决送上!决不食言!
原代码如下:
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sample_bean.jsp文件如下:
<%@ page language="java"%>
<HTML>
<BODY>
<jsp:useBean id="TaxRate" scope="application" class="tax.TaxRate" />
<br>
<jsp:getProperty name="TaxRate" property="Product" />
<br>
<jsp:getProperty name="TaxRate" property="Rate" />
<jsp:setProperty name="TaxRate" property="Product" value="Hello" />
<jsp:setProperty name="TaxRate" property="Rate" value="2.9" />
<br>
<jsp:getProperty name="TaxRate" property="Product" />
丂 <br>
<jsp:getProperty name="TaxRate" property="Rate" />
</BODY></HTML>
***********************************************************************
TaxRate.java文件如下:
package tax;
public class TaxRate{
String Product;
double Rate;
public TaxRate(){
this.Product = "A001";
this.Rate = 5;}
public void setProduct (String ProductName)
{this.Product = ProductName;}
public String getProduct(){return(this.Product);}
public void setRate (double rateValue)
{
this.Rate = rateValue;
}
public double getRate()
{
return (this.Rate);
}
}
****************************************************************
环境:WIN2000,JBUILDER5,TOMCAT3,TOMCAT4
我的文件目录结构如下:
tax sample_bean.jsp
\WEB-INF\classes\tax TaxRate.class
*******************************************
问题:
"sample_bean.jsp": org.apache.jasper.JasperException: Cannot find any information on property 'Product' in a bean of type 'tax.TaxRate'
换用TOMCAT4。0无效
参考网站:http://p2p.wrox.com/archive/beginning_jsp/2001-08/5.asp
请高手帮忙解决!!!本人表示万分感谢!!