【JSP开源代码栏目提醒】:网学会员为需要JSP开源代码的朋友们搜集整理了ex9_17.jsp相关资料,希望对各位网友有所帮助!
<%@ page language="java" contentType="text/html; charset=GB18030"
pageEncoding="GB18030"%>
<!--基于对象流的文件读取-->
<%@ page import="java.io.*"%>
<%@ page import="java.util.*"%>
<%@ page import="javabean.ch09.*"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=GB18030">
<title>JSP通用范例大全</title>
</head>
<body>
<center><font size=5>基于对象流的文件读取</font></center>
<br><hr><br>
<%
File file=new File(request.getRealPath("/")+"chat.txt");
if(file.exists()){
ObjectInputStream o=new ObjectInputStream(new FileInputStream(file));
ArrayList msglist=(ArrayList)o.readObject();
o.close();
if(msglist==null)
out.print("文件为空!");
else{
for(Iterator it=msglist.iterator();it.hasNext();){
Article msg=(Article)it.next();
out.print(msg.getAuthor()+":");
out.print(msg.getContent()+"(");
out.print(msg.getDate()+")<br>");
}
}
}
else{
out.print("文件不存在");
}
%>
</body>
</html>
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