还是不行啊。报错: org.apache.jasper.JasperException: Unable to compile class for JSPAn error occurred at line: 2 in the jsp file: /ch5/calculate.jspGenerated servlet error: [javac] Compiling 1 source fileC:\Tomcat 5.0\work\Catalina\localhost\_\org\apache\jsp\ch5\calculate_jsp.java:45: package test does not exist test.SimpleCalculator calculator = null; ^An error occurred at line: 2 in the jsp file: /ch5/calculate.jspGenerated servlet error: C:\Tomcat 5.0\work\Catalina\localhost\_\org\apache\jsp\ch5\calculate_jsp.java:47: package test does not exist calculator = (test.SimpleCalculator) _jspx_page_context.getAttribute("calculator", PageContext.REQUEST_SCOPE); ^An error occurred at line: 2 in the jsp file: /ch5/calculate.jspGenerated servlet error: C:\Tomcat 5.0\work\Catalina\localhost\_\org\apache\jsp\ch5\calculate_jsp.java:49: package test does not exist calculator = new test.SimpleCalculator(); ^ 3 errors
我的java文件源码如下: package test; public class SimpleCalculator { //属性声明 private String first;//第一个操作数 private String second;//第二个操作数 private double result;//操作结果 private String operator;//操作符
/** *以下是一些属性方法 */ public void setFirst(String first) { this.first=first; } public void setSecond(String second) { this.second=second; } public void setOperator(String operator) { this.operator=operator; } public String getFirst() { return this.first; } public String getSecond() { return this.second; } public String getOperator() { return this.operator; }
//获得计算结果 public double getResult() { return this.result; }
package PackageName;
PackageName/JavaClassName.class
usebean id="BeanName" class="PackageName.JavaClassName"
org.apache.jasper.JasperException: Unable to compile class for JSPAn error occurred at line: 2 in the jsp file: /ch5/calculate.jspGenerated servlet error:
[javac] Compiling 1 source fileC:\Tomcat 5.0\work\Catalina\localhost\_\org\apache\jsp\ch5\calculate_jsp.java:45: package test does not exist
test.SimpleCalculator calculator = null;
^An error occurred at line: 2 in the jsp file: /ch5/calculate.jspGenerated servlet error:
C:\Tomcat 5.0\work\Catalina\localhost\_\org\apache\jsp\ch5\calculate_jsp.java:47: package test does not exist
calculator = (test.SimpleCalculator) _jspx_page_context.getAttribute("calculator", PageContext.REQUEST_SCOPE);
^An error occurred at line: 2 in the jsp file: /ch5/calculate.jspGenerated servlet error:
C:\Tomcat 5.0\work\Catalina\localhost\_\org\apache\jsp\ch5\calculate_jsp.java:49: package test does not exist
calculator = new test.SimpleCalculator();
^
3 errors
package test;
public class SimpleCalculator
{
//属性声明
private String first;//第一个操作数
private String second;//第二个操作数
private double result;//操作结果
private String operator;//操作符
/**
*以下是一些属性方法
*/
public void setFirst(String first)
{
this.first=first;
}
public void setSecond(String second)
{
this.second=second;
}
public void setOperator(String operator)
{
this.operator=operator;
}
public String getFirst()
{
return this.first;
}
public String getSecond()
{
return this.second;
}
public String getOperator()
{
return this.operator;
}
//获得计算结果
public double getResult()
{
return this.result;
}
/**
*根据不同的操作符进行计算
*/
public void calculate()
{
double one=Double.parseDouble(first);
double two=Double.parseDouble(second);
try
{
if(operator.equals("+")) result=one+two;
else if(operator.equals("-"))result=one-two;
else if(operator.equals("*"))result=one*two;
else if(operator.equals("/"))result=one/two;
}
catch(Exception e)
{
System.out.println(e);
}
}
}
<%@ page contentType="text/html; charset=gb2312" language="java" import="java.sql.*" errorPage="" %>
<jsp:useBean id="calculator" scope="request" class="test.SimpleCalculator">
<jsp:setProperty name="calculator" property="*"/>
</jsp:useBean>
<html>
<head>
<title>Untitled Document</title>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
</head>
<body>
<hr>
计算结果:<%
try
{calculator.calculate();
out.println(calculator.getFirst()+calculator.getOperator()+calculator.getSecond()+"="+calculator.getResult());
}
catch(Exception e)
{
out.println(e.getMessage());
}
%>
<hr>
<form action="calculate.jsp" method=get>
<table width="75%" border="1" bordercolor="#003300">
<tr bgcolor="#999999">
<td colspan="2">简单的计数器</td>
</tr>
<tr>
<td>第一个参数</td>
<td><input type=text name="first"></td>
</tr>
<tr>
<td>操作符</td>
<td><select name="operator">
<option value="+">+</option>
<option value="-">-</option>
<option value="*">*</option>
<option value="/">/</option>
</select>
</td>
</tr>
<tr>
<td>第二个参数</td>
<td><input type=text name="second"></td>
</tr>
<tr>
<td colspan="2" bgcolor="#CCCCCC"><input type=submit value=计算></td>
</tr>
</table>
</form>
</body>
</html>
请哪位大哥帮我弄好测试成功以后将弄好的文件夹打包给我好吗,小弟我感激不尽。