老大,
<%@ page import="java.io.*;"%>
;去掉,tomcat 4 会出问题else
{
writeStr=Integer.parseInt(readStr)+1;
}跟谁对应的??????????
<%@ page import="java.io.*;"%>
;去掉,tomcat 4 会出问题else
{
writeStr=Integer.parseInt(readStr)+1;
}跟谁对应的??????????
else怎么能分开呢?
!!!
if else错了
把下面这段代码用一个“{}”扩起来:readStr="没有任何的记录";try
{
fileRead.close();
}
catch(IOException d)
{
systemMessage=d.toString();
}
下面这段也要:{
writeStr=Integer.parseInt(readStr)+1;
}
try
{
PrintWriter pw=new PrintWriter(new FileOutputStream(countFile));
pw.println(writeStr);
pw.close();
}
catch(IOException e)
{
out.println(e.getMessage());
}应该就好了!
<HEAD>
<TITLE>记数器 </TITLE></HEAD><BODY>
<%@ page import="java.io.*;"%>
<%
BufferedReader file;
String countfile="count.txt";
file= new BufferedReader( new FileReader(countfile));
String readStr=null;
int writeStr=1;
try {
readStr=file.readLine();
}
catch (IOException e)
{
System.out.println("读取数据错误");
}
if(readStr==null) readStr="没有任何的记录";try
{
fileRead.close();
}
catch(IOException d)
{
systemMessage=d.toString();
}
else
{
writeStr=Integer.parseInt(readStr)+1;
}try
{
PrintWriter pw=new PrintWriter(new FileOutputStream(countFile));
pw.println(writeStr);
pw.close();
}
catch(IOException e)
{
out.println(e.getMessage());
}
%>
<p align=center>记数器jsp版
<h3>你是本站第
<font color=#ff0000" size="7">
<%=readStr%>
</font>名访客!</h3>
</BODY>
</HTML>
这就是我的原来的代码!提示else without if怎么会事?