一个JAVABEAN的例子程序出问题。（在线）

2002-05-17 08:08:15 87 阅读 AI 写同款 · GEO 优化AI 选题数据监测一键分发 ›

采用JSP+Servlet+JavaBean+JDBC方式开发一个web登录程序采用JSP+Servlet+JavaBean+JDBC方式开发一个web登录程序 1.选用开发环境：SQL Server 、JDK1.8、Tomcat7.0、Myeclipse 2014 2.开发模式及工作原理： ... 阅读详情

counter.java
----------------

import java.io.*;
public class counter extends Object {
private String currentRecord =null;
private String path =null;
private BufferedReader file;

public String ReadFile(String filePath) throws FileNotFoundException
{
path = filePath;
file = new BufferedReader(new FileReader(path)) ;
String returnStr=null;
try
{
currentRecord = file.readLine();

}
catch(IOException e)
{
System.out.println(e+"读取数据错误");

}
if (currentRecord==null)
currentRecord="没有记录";
else
{
returnStr=currentRecord;
}
return returnStr;

}

public void WriteFile(String filePath,String counter) throws FileNotFoundException
{
path = filePath;
int Writerstr =Integer.parseInt(counter)+1;

try
{
//?????
//PrintWriter pw = new PrintWriter(new FileOutputStream(filePath));
PrintWriter pw = new PrintWriter(new FileOutputStream(path));
pw.println(Writerstr);
pw.close();
}
catch(IOException e)
{
System.out.println(e+"写入文件错误");
}

}

}

在DOS下可以编译通过。但执行时JSP页面是出现问题。
我就哪到JBUILDER 6中却连编译也通不过

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