📄 writefile.jsp
字号:
<%@ page import="java.io.*" %>
<html>
<head><title>Write File</title></head>
<body>
原文件中第一行的内容如下(为了简单):
<%
String myread="";
String fdir="examples\\forwrite.txt";
try{
File fl=new File(fdir);
RandomAccessFile raf=new RandomAccessFile(fl,"rw");
myread=raf.readLine();
if (myread==null)
myread="Sorry,there is nothing in the file";%>
<p>
<%
out.println(myread);
%>
</p>
<br>
请输入要写进文件的内容:<br>
<form action=writefile.jsp method=post>
<input type=text name=tx><br>
<input type=submit name=submit value=开始写入>
</form>
<% String mywrite="";
mywrite=request.getParameter("tx");
if (mywrite!=null)
raf.writeBytes(mywrite);
raf.close();
}catch(IOException e){e.toString();}
%>
</body>
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