MyEclipse------文件字符输入，输出流读写信息

other.jsp

<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%
    String path = request.getContextPath();
    String basePath = request.getScheme() + "://"
            + request.getServerName() + ":" + request.getServerPort()
            + path + "/";
%>
<%@page import="java.io.*" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<base href="<%=basePath%>">
<title>My JSP 'other.jsp' starting page</title>
</head>

<body>
    <%
        File file=new File("C:\\Users\\X550V\\Desktop","cc.txt");
        if(!file.exists()){
            file.createNewFile();
        }
        
        //通过字符输入流读取文件信息
        /* char c[]=new char[1];
        Reader in=new FileReader(file);
        try{
        int n=-1;
        while((n=in.read(c,0,1))!=-1){
            String str=new String(c,0,1);        
            out.print(str);
        }
        in.close();
        out.print("读取数据成功");
        }
        catch(Exception e){
            out.print(e);
        } */
        
        //通过字符输出流写入文件信息
        String str="容我三思";
        char c[]=str.toCharArray();//String强转为Char型
        try{
            Writer o=new FileWriter(file,true);
            o.write(c);
            o.flush();
            o.close();    
            out.print("写入数据成功");
        }
        catch(IOException e){
            out.print(e);
        } 
     %>
</body>
</html>

 

posted @ 2016-03-27 18:47  玉天恒  阅读(463)  评论(0)    收藏  举报