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<p align="center"><font color="#FF00FF" size="3"><b>关于JSP写文件的补充</b></font>
<p>lz@smtp.zj.cninfo.net<br>
liuzhehz<br>
<br>
JAVA对写文件推荐用流的方式,下面是我写的一个简单计数器<br>
当然在执行此程序前需要先建立count.txt文件,你可以仅执行此程序的后半部分,先创建文件<br>
<%@ page language = "java" %><br>
<%@ page contentType = "text/html; charSet=gb2312" %><br>
<%@ page import ="java.util.*" %><br>
<%@ page import ="java.lang.*" %><br>
<%@ page import ="javax.servlet.*" %><br>
<%@ page import ="javax.servlet.jsp.*" %><br>
<%@ page import ="javax.servlet.http.*" %><br>
<%@ page import="java.io.*" %><br>
<br>
<%<br>
int count=0;<br>
FileInputStream fi =new FileInputStream ("count.txt");<br>
ObjectInputStream si= new ObjectInputStream (fi);<br>
count =si.readInt();<br>
count++;<br>
out.print(count);<br>
si.close();<br>
<br>
FileOutputStream fo =new FileOutputStream ("count.txt");<br>
ObjectOutputStream so= new ObjectOutputStream (fo);<br>
so.writeInt(count);<br>
so.close();<br>
%><br>
你可以发现count.txt在winnt/system32目录下(WinNt4)<br>
这个计数器使用Int型变量,简单好用<br>
希望大家对JAVA多多讨论。<br>
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