jsp+java类+servlet实现文件读取、写入的功能(二)
出自:淘特网
作者:淘特网
声明:转载请注明出处。
本文是根据tomcat(一个很好用的JSP运行平台)平台下实现而做,文件目录为:
tom_homewebapps
ews下: └html └WEB-INF └classes └com └FileMan.class └FileServlet.class └web.xml(标准化越来越近了) |
接着我们先实现servlet:FileServlet .java
/*
* FileServlet.java
*
* Created on 2005年6月19日, 下午3:03
*/
package com;
import java.io.*;
import java.net.*;
import javax.servlet.*;
import javax.servlet.http.*;
import javax.servlet.jsp(SUN企业级应用的首选).PageContext;
/**
*
* @author 淘特网
* @version
*/
public class FileServlet extends HttpServlet {
ServletContext sc;
/** Initializes the servlet.
*/
public void init(ServletConfig config) throws ServletException {
super.init(config);
sc=config.getServletContext();
}
/** Destroys the servlet.
*/
public void destroy() {
}
/** Processes requests for both HTTP GET
and POST
methods.
* @param request servlet request
* @param response servlet response
*/
protected void processRequest(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
response.setContentType("text/html");
PrintWriter out = response.getWriter();
//* TODO output your page here
out.println("");
out.println("");
out.println("");
out.println("");
out.println("");
out.println("Hello");
out.println(sc.getRealPath("/"));
FileMan fm=new FileMan();
try
{
fm.WriteFile(sc.getRealPath("/")+"/html/test.htm","asf");
out.println(fm.ReadFile(sc.getRealPath("/")+"/html/test.htm"));
}
catch(FileNotFoundException e){}
out.println("");
out.println("");
// */
out.close();
}
/** Handles the HTTP GET
method.
* @param request servlet request
* @param response servlet response
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