数字计数器问题，急，帮帮忙！！

gougou606 2005-03-18 05:15:59

不知道哪里有错？帮我运行一下，然后该该！！

<html>
<head>
<title>数字记数器</title>
</head>
<body color="#ffffff">
<%@ page import="java.io.*">
<% BufferedReader file;
String countFile="http://localhost:8080/FirstProject/count.txt";
file=new BufferedReader(new FileReader(countFile));
String readfile=null;
int writefile=1;
try{
readfile=file.readLine();
}
catch(IOException e){
out.print("数据错误！");
}
if(readfile==null)readfile="没有记录";
else
writefile=Integer.parseInt(readfile)+1;

try{
PrintWriter pw;
pw=new PrintWriter(new FileOutputStream(countFile));
pw.println(writefile);
pw.close();
}
catch(IOException e){
out.print(e.getMessage());
}
%>
<div align="center">
数字记数器:

你是本站的第
<%=readfile%>
位访问者！

</div>
</body>
</html>

...全文

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thrive_li 2005-03-18

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<%@ page import="java.io.*"%>
<html>
<body >
<% BufferedReader file;
String countFile="c:/count.txt";
file=new BufferedReader(new FileReader(countFile));
String readfile="1qqqqqqqq";
int writefile=1;
try{
readfile=file.readLine();
}
catch(IOException e){
System.out.println("@@@@@@@@");
e.printStackTrace();
out.print("数据错误！");
}
if(readfile==null)readfile="没有记录";
else
writefile=Integer.parseInt(readfile)+1;

try{
PrintWriter pw;
pw=new PrintWriter(new FileOutputStream(countFile));
pw.println(writefile);
pw.close();
}
catch(IOException e){

e.printStackTrace();
out.print(e.getMessage());

}

%>

welcome you are <%=readfile%> user.

</body>
</html>

thrive_li 2005-03-18

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1.<%@ page import="java.io.*"> 改为<%@ page import="java.io.*"%>
2.String countFile="http://localhost:8080/FirstProject/count.txt";
写绝对路径比如:"c:\\count.txt",

thrive_li 2005-03-18